AbstractStore.java

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org.apache.slide.store
Jakarta Slide

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MetricDescription
DECL_COMMENTSComments in declarations
RETURNSNumber of return points from functions
JAVA0166JAVA0166 Generic exception caught
BLOCKSNumber of blocks
JAVA0170JAVA0170 Caught exception not derived from java.lang.Exception
JAVA0150JAVA0150 java.lang.Error (or subclass) thrown
INTERFACE_COMPLEXITYInterface complexity
SIZESize of the file in bytes
CYCLOMATICCyclomatic complexity
ELOCEffective lines of code
LINESNumber of lines in the source file
DOC_COMMENTNumber of javadoc comment lines
LOGICAL_LINESNumber of statements
EXEC_COMMENTSComments in executable code
LOCLines of code
COMMENTSComment lines
JAVA0115JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception'
OPERATORSNumber of operators
LINE_COMMENTNumber of line comments
PARAMSNumber of formal parameter declarations
PROGRAM_LENGTHHalstead program length
OPERANDSNumber of operands
FUNCTIONSNumber of function declarations
UNIQUE_OPERANDSNumber of unique operands
PROGRAM_VOCABHalstead program vocabulary
JAVA0110JAVA0110 Incorrect javadoc: no @return tag
JAVA0270JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array
EXITSProcedure exits
WHITESPACENumber of whitespace lines
JAVA0034JAVA0034 Missing braces in if statement
LOOPSNumber of loops
JAVA0108JAVA0108 Incorrect javadoc: no @param tag for 'parameter'
COMPARISONSNumber of comparison operators
JAVA0067JAVA0067 Array descriptor on identifier name
PROGRAM_VOLUMEHalstead program volume
JAVA0136JAVA0136 N methods defined in class (maximum: M)
JAVA0126JAVA0126 Method declares unchecked exception in throws
UNIQUE_OPERATORSNumber of unique operators
JAVA0087JAVA0087 Use of Thread.sleep()
JAVA0100JAVA0100 Class contains N non-final fields (maximum: M)
JAVA0145JAVA0145 Tab character used in source file
/* * $Header$ * $Revision: 232268 $ * $Date: 2005-08-12 07:06:27 -0400 (Fri, 12 Aug 2005) $ * * ==================================================================== * * Copyright 1999-2002 The Apache Software Foundation * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * */ package org.apache.slide.store; import java.util.Enumeration; import java.util.Hashtable; import javax.transaction.Transaction; import javax.transaction.xa.XAException; import javax.transaction.xa.Xid; import org.apache.slide.authenticate.CredentialsToken; import org.apache.slide.common.AbstractSimpleService; import org.apache.slide.common.Namespace; import org.apache.slide.common.NamespaceAccessToken; import org.apache.slide.common.Scope; import org.apache.slide.common.Service; import org.apache.slide.common.ServiceAccessException; import org.apache.slide.common.ServiceConnectionFailedException; import org.apache.slide.common.ServiceDisconnectionFailedException; import org.apache.slide.common.ServiceInitializationFailedException; import org.apache.slide.common.ServiceParameterErrorException; import org.apache.slide.common.ServiceParameterMissingException; import org.apache.slide.common.ServiceResetFailedException; import org.apache.slide.common.SlideToken; import org.apache.slide.common.Uri; import org.apache.slide.content.NodeRevisionContent; import org.apache.slide.content.NodeRevisionDescriptor; import org.apache.slide.content.NodeRevisionDescriptors; import org.apache.slide.content.NodeRevisionNumber; import org.apache.slide.content.RevisionAlreadyExistException; import org.apache.slide.content.RevisionDescriptorNotFoundException; import org.apache.slide.content.RevisionNotFoundException; import org.apache.slide.lock.LockTokenNotFoundException; import org.apache.slide.lock.NodeLock; import org.apache.slide.search.IndexException; import org.apache.slide.security.NodePermission; import org.apache.slide.structure.ObjectAlreadyExistsException; import org.apache.slide.structure.ObjectNode; import org.apache.slide.structure.ObjectNotFoundException; import org.apache.slide.util.Messages; import org.apache.slide.util.logger.Logger; /** * Abstract implementation of a store. Handles all caching operations. * * @version $Revision: 232268 $ */ public abstract class AbstractStore extends AbstractSimpleService implements Store { // ----------------------------------------------------------- Constructors // ----------------------------------------------------- Instance Variables /** * Node store. */ protected NodeStore nodeStore; /** * Security store. */ protected SecurityStore securityStore; /** * Lock store. */ protected LockStore lockStore; /** * Revision descriptors store. */ protected RevisionDescriptorsStore revisionDescriptorsStore; /** * Revision descriptor store. */ protected RevisionDescriptorStore revisionDescriptorStore; /** * Content store. */ protected ContentStore contentStore; /** * DescriptorIndex store */ protected IndexStore propertiesIndexer; /** * ContentIndex store */ protected IndexStore contentIndexer; /** * Sequence store */ protected SequenceStore sequenceStore = null; /** * Macro store */ protected MacroStore macroStore = null; /** * Active resource manager list. */ protected Service resourceManagers[] = new Service[0]; // the name of this store as specified in domain.xml private String name; /** * Set the name of the store as specified in domain.xml. */ public void setName(String name) { this.name = name; } /** * Return the name of the store as specified in domain.xml. */ public String getName() { return this.name; } /** * Set the scope of the store as specified in domain.xml. */ public void setScope(Scope scope) { super.setScope(scope); for (int i = 0; i < resourceManagers.length; i++) { resourceManagers[i].setScope(scope); } } // ---------------------------------------------------- ServiceImpl Methods /** * Namespace setter. */ public void setNamespace(Namespace namespace) { super.setNamespace(namespace); for (int i = 0; i < resourceManagers.length; i++) { resourceManagers[i].setNamespace(namespace); } } protected Hashtable parameters = null; /** * Remeber the store parameters to initialise the default child stores on request * * @param parameters Hashtable containing the parameters' name * and associated value * @exception ServiceParameterErrorException Incorrect service parameter * @exception ServiceParameterMissingException Service parameter missing */ public void setParameters(Hashtable parameters) throws ServiceParameterErrorException, ServiceParameterMissingException { this.parameters = new Hashtable(parameters); } public Object getParameter (Object key) { return parameters.get (key); } /** * Connects to descriptors store. * * @exception DataException */ public void connect(CredentialsToken crdtoken) throws ServiceConnectionFailedException { for (int i = 0; i < resourceManagers.length; i++) { resourceManagers[i].connect(crdtoken); } } /** * Connects to descriptors store. * * @exception DataException */ public void connect() throws ServiceConnectionFailedException { for (int i = 0; i < resourceManagers.length; i++) { resourceManagers[i].connect(); } } /** * Disconnects from descriptors store. * * @exception ServiceDisconnectionFailedException */ public void disconnect() throws ServiceDisconnectionFailedException { for (int i = 0; i < resourceManagers.length; i++) { resourceManagers[i].disconnect(); } } /** * Initializes descriptors store. * * @exception ServiceInitializationFailedException Throws an exception * if the descriptors store has already been initialized before */ public void initialize(NamespaceAccessToken token) throws ServiceInitializationFailedException { super.initialize(token); for (int i = 0; i < resourceManagers.length; i++) { resourceManagers[i].initialize(token); } } /** * Deletes descriptors store. Should remove stored data if possible. * * @exception ServiceResetFailedException Reset failed */ public void reset() throws ServiceResetFailedException { for (int i = 0; i < resourceManagers.length; i++) { resourceManagers[i].reset(); } } /** * This function tells whether or not the descriptors store is connected. * * @return boolean true if we are connected * @exception ServiceAccessException Service access error */ public boolean isConnected() throws ServiceAccessException { for (int i = 0; i < resourceManagers.length; i++) { if (!resourceManagers[i].isConnected()) return false; } return true; } // ----------------------------------------------------- XAResource Methods /** * Commit the global transaction specified by xid. * * @param xid A global transaction identifier * @param onePhase If true, the resource manager should use a one-phase * commit protocol to commit the work done on behalf of xid. * @exception XAException An error has occurred. Possible XAExceptions * are XA_HEURHAZ, XA_HEURCOM, XA_HEURRB, XA_HEURMIX, XAER_RMERR, * XAER_RMFAIL, XAER_NOTA, XAER_INVAL, or XAER_PROTO. If the resource * manager did not commit the transaction and the paramether onePhase is * set to true, the resource manager may throw one of the XA_RB* * exceptions. Upon return, the resource manager has rolled back the * branch's work and has released all held resources. */ public void commit(Xid xid, boolean onePhase) throws XAException { super.commit(xid, onePhase); } /** * Ends the work performed on behalf of a transaction branch. * * @param xid A global transaction identifier that is the same as what * was used previously in the start method. * @param flags One of TMSUCCESS, TMFAIL, or TMSUSPEND * @exception XAException An error has occurred. Possible XAException * values are XAER_RMERR, XAER_RMFAILED, XAER_NOTA, XAER_INVAL, * XAER_PROTO, or XA_RB*. */ public void end(Xid xid, int flags) throws XAException { super.end(xid, flags); } /** * Tell the resource manager to forget about a heuristically completed * transaction branch. * * @param xid A global transaction identifier * @exception XAException An error has occurred. Possible exception values * are XAER_RMERR, XAER_RMFAIL, XAER_NOTA, XAER_INVAL, or XAER_PROTO. */ public void forget(Xid xid) throws XAException { super.forget(xid); } /** * Ask the resource manager to prepare for a transaction commit of the * transaction specified in xid. * * @param xid A global transaction identifier * @return A value indicating the resource manager's vote on the outcome * of the transaction. The possible values are: XA_RDONLY or XA_OK. If * the resource manager wants to roll back the transaction, it should do * so by raising an appropriate XAException in the prepare method. * @exception XAException An error has occurred. Possible exception * values are: XA_RB*, XAER_RMERR, XAER_RMFAIL, XAER_NOTA, XAER_INVAL, * or XAER_PROTO. */ public int prepare(Xid xid) throws XAException { return super.prepare(xid); } /** * Inform the resource manager to roll back work done on behalf of a * transaction branch. * * @param xid A global transaction identifier * @exception XAException An error has occurred */ public void rollback(Xid xid) throws XAException { super.rollback(xid); } /** * Start work on behalf of a transaction branch specified in xid. * * @param xid A global transaction identifier to be associated with the * resource * @param flags One of TMNOFLAGS, TMJOIN, or TMRESUME * @exception XAException An error has occurred. Possible exceptions are * XA_RB*, XAER_RMERR, XAER_RMFAIL, XAER_DUPID, XAER_OUTSIDE, XAER_NOTA, * XAER_INVAL, or XAER_PROTO. */ public void start(Xid xid, int flags) throws XAException { super.start(xid, flags); } // ---------------------------------------------------------- Store Methods /** * Set the node store associated with this store. */ public void setNodeStore(NodeStore nodeStore) { if (nodeStore == null) { throw new IllegalArgumentException("Nodestore must not be null"); } this.nodeStore = nodeStore; addResourceManager(this.nodeStore); } /** * Set the security store associated with this store. */ public void setSecurityStore(SecurityStore securityStore) { if (securityStore == null) { throw new IllegalArgumentException("Securitystore must not be null"); } this.securityStore = securityStore; addResourceManager(this.securityStore); } /** * Set the lock store associated with this store. */ public void setLockStore(LockStore lockStore) { if (lockStore == null) { throw new IllegalArgumentException("Lockstore must not be null"); } this.lockStore = lockStore; addResourceManager(this.lockStore); } /** * Set the revision descriptors store associated with this store. */ public void setRevisionDescriptorsStore (RevisionDescriptorsStore revisionDescriptorsStore) { if (revisionDescriptorsStore == null) { throw new IllegalArgumentException("Revisiondescriptorsstore must not be null"); } this.revisionDescriptorsStore = revisionDescriptorsStore; addResourceManager(this.revisionDescriptorsStore); } /** * Set the revision descriptor store associated with this store. */ public void setRevisionDescriptorStore (RevisionDescriptorStore revisionDescriptorStore) { if (revisionDescriptorStore == null) { throw new IllegalArgumentException("Revisiondescriptorstore must not be null"); } this.revisionDescriptorStore = revisionDescriptorStore; addResourceManager(this.revisionDescriptorStore); } /** * Set the content store associated with this store. */ public void setContentStore(ContentStore contentStore) { if (contentStore == null) { } this.contentStore = contentStore; addResourceManager(this.contentStore); } /** * Set the Indexer associated to the properties store * * @param propertiesIndexer an IndexStore * */ public void setPropertiesIndexer (IndexStore propertiesIndexer) { if (propertiesIndexer == null) { throw new IllegalArgumentException("PropertiesIndexer must not be null"); } this.propertiesIndexer = propertiesIndexer; addResourceManager(this.propertiesIndexer); } /** * Set the Indexer associated to the conten store * * @param contentIndexer an IndexStore * */ public void setContentIndexer (IndexStore contentIndexer) { if (contentIndexer == null) { throw new IllegalArgumentException("ContentIndexer must not be null"); } this.contentIndexer = contentIndexer; addResourceManager(this.contentIndexer); } /** * Method getContentIndexer * * @return an IndexStore * */ public IndexStore getContentIndexer () { return contentIndexer; } /** * Method getPropertiesIndexer * * @return an IndexStore * */ public IndexStore getPropertiesIndexer () { return propertiesIndexer; } /** * Sets the sequence store associated with this store. */ public void setSequenceStore(SequenceStore store) { sequenceStore = store; } /** * Sets the sequence store associated with this store. */ public void setMacroStore(MacroStore store) { macroStore = store; } // // sequence methods // /** * @see org.apache.slide.store.SequenceStore#isSequenceSupported() */ public boolean isSequenceSupported() { return (sequenceStore != null && sequenceStore.isSequenceSupported()); } /** * @see org.apache.slide.store.SequenceStore#sequenceExists(java.lang.String) */ public boolean sequenceExists(String sequenceName) throws ServiceAccessException { if (!isSequenceSupported()) { throw new ServiceAccessException(this, "Sequences not supported"); } return sequenceStore.sequenceExists(sequenceName); } /** * @see org.apache.slide.store.SequenceStore#createSequence(java.lang.String) */ public boolean createSequence(String sequenceName) throws ServiceAccessException { if (!isSequenceSupported()) { throw new ServiceAccessException(this, "Sequences not supported"); } return sequenceStore.createSequence(sequenceName); } /** * @see org.apache.slide.store.SequenceStore#nextSequenceValue(java.lang.String) */ public long nextSequenceValue(String sequenceName) throws ServiceAccessException { if (!isSequenceSupported()) { throw new ServiceAccessException(this, "Sequences not supported"); } return sequenceStore.nextSequenceValue(sequenceName); } // // macro methods // /** * @see org.apache.slide.store.MacroStore#isMacroDeleteSupported() */ public boolean isMacroDeleteSupported() { return (macroStore != null && macroStore.isMacroDeleteSupported()); } /** * @see org.apache.slide.store.MacroStore#macroDelete(org.apache.slide.common.Uri) */ public void macroDelete(Uri targetUri) throws ServiceAccessException, ObjectNotFoundException { if (!isMacroDeleteSupported()) { throw new ServiceAccessException(this, "Macro delete not supported"); } enlist(macroStore); try { macroStore.macroDelete(targetUri); } finally { delist(macroStore); } } /** * @see org.apache.slide.store.MacroStore#isMacroCopySupported() */ public boolean isMacroCopySupported() { return (macroStore != null && macroStore.isMacroCopySupported()); } /** * @see org.apache.slide.store.MacroStore#macroCopy(Uri, Uri, boolean, boolean) */ public void macroCopy(Uri sourceUri, Uri targetUri, boolean overwrite, boolean recursive) throws ServiceAccessException, ObjectNotFoundException, ObjectAlreadyExistsException { if (!isMacroCopySupported()) { throw new ServiceAccessException(this, "Macro copy not supported"); } enlist(macroStore); try { macroStore.macroCopy(sourceUri, targetUri, overwrite, recursive); } finally { delist(macroStore); } } /** * @see org.apache.slide.store.MacroStore#isMacroMoveSupported() */ public boolean isMacroMoveSupported() { return (macroStore != null && macroStore.isMacroMoveSupported()); } /** * @see org.apache.slide.store.MacroStore#macroMove(Uri, Uri, boolean) */ public void macroMove(Uri sourceUri, Uri targetUri, boolean overwrite) throws ServiceAccessException, ObjectNotFoundException, ObjectAlreadyExistsException { if (!isMacroMoveSupported()) { throw new ServiceAccessException(this, "Macro move not supported"); } enlist(macroStore); try { macroStore.macroMove(sourceUri, targetUri, overwrite); } finally { delist(macroStore); } } /** * Retrive an object from the Descriptors Store. * * @param uri Uri of the object we want to retrieve * @exception ServiceAccessException Error accessing the Descriptors Store * @exception ObjectNotFoundException The object to retrieve was not found */ public ObjectNode retrieveObject(Uri uri) throws ServiceAccessException, ObjectNotFoundException { ObjectNode objectNode = null; if (isForceStoreEnlistment(uri)) { enlist(nodeStore); try { objectNode = nodeStore.retrieveObject(uri); } catch (ServiceAccessException e) { delist(nodeStore, false); throw e; } catch (ObjectNotFoundException e) { // Note : Failed reads aren't considered fatal (ie, the // transaction won't be always rolledback when committed) delist(nodeStore); throw e; } catch (Error e) { delist(nodeStore, false); throw e; } catch (Throwable t) { delist(nodeStore, false); // Wrap everything else in a ServiceAccessException throw new ServiceAccessException(nodeStore, t); } delist(nodeStore); } else { try { objectNode = nodeStore.retrieveObject(uri); } catch (ServiceAccessException e) { throw e; } catch (ObjectNotFoundException e) { throw e; } catch (Error e) { throw e; } catch (Throwable t) { // Wrap everything else in a ServiceAccessException throw new ServiceAccessException(nodeStore, t); } } objectNode.validate(uri.toString()); return objectNode; } /** * Store an object in the Descriptors Store. * * @param object Object to update * @exception ServiceAccessException Error accessing the Descriptors Store * @exception ObjectNotFoundException The object to update was not found */ public void storeObject(Uri uri, ObjectNode object) throws ServiceAccessException, ObjectNotFoundException { ObjectNode tempObject = object.cloneObject(); tempObject.validate(uri.toString()); enlist(nodeStore); try { nodeStore.storeObject(uri, tempObject); } catch (ServiceAccessException e) { delist(nodeStore, false); throw e; } catch (ObjectNotFoundException e) { delist(nodeStore); throw e; } catch (Error e) { delist(nodeStore, false); throw e; } catch (Throwable t) { delist(nodeStore, false); // Wrap everything else in a ServiceAccessException throw new ServiceAccessException(contentStore, t); } delist(nodeStore); } /** * Create a new object in the Descriptors Store. * * @param object SlideObject * @param uri Uri of the object we want to create * @exception ServiceAccessException Error accessing the Descriptors Store * @exception ObjectAlreadyExistsException An object already exists * at this Uri */ public void createObject(Uri uri, ObjectNode object) throws ServiceAccessException, ObjectAlreadyExistsException { ObjectNode tempObject = object.cloneObject(); tempObject.validate(uri.toString()); enlist(nodeStore); try { nodeStore.createObject(uri, tempObject); if (useBinding()) { String uuri = tempObject.getUuri(); if (uuri == null) { throw new IllegalStateException(); } object.setUuri(uuri); } else { object.setUuri(tempObject.getUri()); } } catch (ServiceAccessException e) { delist(nodeStore, false); throw e; } catch (ObjectAlreadyExistsException e) { delist(nodeStore); throw e; } catch (Error e) { delist(nodeStore, false); throw e; } catch (Throwable t) { delist(nodeStore, false); // Wrap everything else in a ServiceAccessException throw new ServiceAccessException(nodeStore, t); } delist(nodeStore); } /** * Remove an object from the Descriptors Store. * * @param object Object to remove * @exception ServiceAccessException Error accessing the Descriptors Store * @exception ObjectNotFoundException The object to remove was not found */ public void removeObject(Uri uri, ObjectNode object) throws ServiceAccessException, ObjectNotFoundException { object.validate(uri.toString()); enlist(nodeStore); try { nodeStore.removeObject(uri, object); } catch (ServiceAccessException e) { delist(nodeStore, false); throw e; } catch (ObjectNotFoundException e) { delist(nodeStore); throw e; } catch (Error e) { delist(nodeStore, false); throw e; } catch (Throwable t) { delist(nodeStore, false); // Wrap everything else in a ServiceAccessException throw new ServiceAccessException(nodeStore, t); } delist(nodeStore); } /** * Store an object permissions in the Descriptors Store. * * @param permission Permission we want to create * @exception ServiceAccessException Error accessing the Descriptors Store */ public void grantPermission(Uri uri, NodePermission permission) throws ServiceAccessException { NodePermission tempPermission = permission.cloneObject(); tempPermission.validate(uri.toString()); enlist(securityStore); try { securityStore.grantPermission(uri, tempPermission); } catch (ServiceAccessException e) { delist(securityStore, false); throw e; } catch (Error e) { delist(securityStore, false); throw e; } catch (Throwable t) { delist(securityStore, false); // Wrap everything else in a ServiceAccessException throw new ServiceAccessException(securityStore, t); } delist(securityStore); } /** * Store an object permissions in the Descriptors Store. * * @param permission Permission we want to create * @exception ServiceAccessException Error accessing the Descriptors Store */ public void revokePermission(Uri uri, NodePermission permission) throws ServiceAccessException { permission.validate(uri.toString()); enlist(securityStore); try { securityStore.revokePermission(uri, permission); } catch (ServiceAccessException e) { delist(securityStore, false); throw e; } catch (Error e) { delist(securityStore, false); throw e; } catch (Throwable t) { delist(securityStore, false); // Wrap everything else in a ServiceAccessException throw new ServiceAccessException(securityStore, t); } delist(securityStore); } /** * Revoke all the permissions on the object. * * @param uri Uri of the object * @exception ServiceAccessException Error accessing the Descriptors Store */ public void revokePermissions(Uri uri) throws ServiceAccessException { enlist(securityStore); try { securityStore.revokePermissions(uri); } catch (ServiceAccessException e) { delist(securityStore, false); throw e; } catch (Error e) { delist(securityStore, false); throw e; } catch (Throwable t) { delist(securityStore, false); // Wrap everything else in a ServiceAccessException throw new ServiceAccessException(securityStore, t); } delist(securityStore); } /** * Enumerate locks on an object. * * @param uri Uri of the subject * @return Enumeration List of {@link org.apache.slide.lock.NodeLock locks} * which have been put on the subject * @exception ServiceAccessException Service access error */ public Enumeration enumeratePermissions(Uri uri) throws ServiceAccessException { // TODO : The vectors elements MUST be cloned if (isForceStoreEnlistment(uri)) { enlist(securityStore); Enumeration permissions = null; try { permissions = securityStore.enumeratePermissions(uri); } catch (ServiceAccessException e) { delist(securityStore, false); throw e; } catch (Error e) { delist(securityStore, false); throw e; } catch (Throwable t) { delist(securityStore, false); // Wrap everything else in a ServiceAccessException throw new ServiceAccessException (securityStore, t); } delist(securityStore); return permissions; } else { try { return securityStore.enumeratePermissions(uri); } catch (ServiceAccessException e) { throw e; } catch (Error e) { throw e; } catch (Throwable t) { // Wrap everything else in a ServiceAccessException throw new ServiceAccessException (securityStore, t); } } } /** * Puts a lock on a subject. * * @param lock Lock token * @exception ServiceAccessException Service access error */ public void putLock(Uri uri, NodeLock lock) throws ServiceAccessException { lock.validate(uri.toString()); enlist(lockStore); try { lockStore.putLock(uri, lock); } catch (ServiceAccessException e) { delist(lockStore, false); throw e; } catch (Error e) { delist(lockStore, false); throw e; } catch (Throwable t) { delist(lockStore, false); // Wrap everything else in a ServiceAccessException throw new ServiceAccessException(lockStore, t); } delist(lockStore); } /** * Renews a lock. * * @param lock Token to renew * @exception ServiceAccessException Service access error * @exception LockTokenNotFoundException Lock token was not found */ public void renewLock(Uri uri, NodeLock lock) throws ServiceAccessException, LockTokenNotFoundException { lock.validate(uri.toString()); enlist(lockStore); try { lockStore.renewLock(uri, lock); } catch (ServiceAccessException e) { delist(lockStore, false); throw e; } catch (LockTokenNotFoundException e) { delist(lockStore); throw e; } catch (Error e) { delist(lockStore, false); throw e; } catch (Throwable t) { delist(lockStore, false); // Wrap everything else in a ServiceAccessException throw new ServiceAccessException(lockStore, t); } delist(lockStore); } /** * Removes (cancels) a lock. * * @param lock Token to remove * @exception ServiceAccessException Service access error * @exception LockTokenNotFoundException Lock token was not found */ public void removeLock(Uri uri, NodeLock lock) throws ServiceAccessException, LockTokenNotFoundException { lock.validate(uri.toString()); enlist(lockStore); try { lockStore.removeLock(uri, lock); } catch (ServiceAccessException e) { delist(lockStore, false); throw e; } catch (LockTokenNotFoundException e) { delist(lockStore); throw e; } catch (Error e) { delist(lockStore, false); throw e; } catch (Throwable t) { delist(lockStore, false); // Wrap everything else in a ServiceAccessException throw new ServiceAccessException(lockStore, t); } delist(lockStore); } /** * Kills a lock. * * @param lock Token to remove * @exception ServiceAccessException Service access error * @exception LockTokenNotFoundException Lock token was not found */ public void killLock(Uri uri, NodeLock lock) throws ServiceAccessException, LockTokenNotFoundException { lock.validate(uri.toString()); enlist(lockStore); try { lockStore.killLock(uri, lock); } catch (ServiceAccessException e) { delist(lockStore, false); throw e; } catch (LockTokenNotFoundException e) { delist(lockStore); throw e; } catch (Error e) { delist(lockStore, false); throw e; } catch (Throwable t) { delist(lockStore, false); // Wrap everything else in a ServiceAccessException throw new ServiceAccessException(lockStore, t); } delist(lockStore); } /** * Enumerate locks on an object. * * @param uri Uri of the subject * @return Enumeration List of {@link org.apache.slide.lock.NodeLock locks} * which have been put on the subject * @exception ServiceAccessException Service access error */ public Enumeration enumerateLocks(Uri uri) throws ServiceAccessException { if (isForceStoreEnlistment(uri)) { enlist(lockStore); Enumeration locks = null; try { locks = lockStore.enumerateLocks(uri); } catch (ServiceAccessException e) { delist(lockStore, false); throw e; } catch (Error e) { delist(lockStore, false); throw e; } catch (Throwable t) { delist(lockStore, false); // Wrap everything else in a ServiceAccessException throw new ServiceAccessException(lockStore, t); } delist(lockStore); return locks; } else { try { return lockStore.enumerateLocks(uri); } catch (ServiceAccessException e) { throw e; } catch (Error e) { throw e; } catch (Throwable t) { // Wrap everything else in a ServiceAccessException throw new ServiceAccessException(lockStore, t); } } } /** * Retrieve a revision descriptors. * * @param uri Uri * @exception ServiceAccessException Service access error * @exception RevisionDescriptorNotFoundException Revision descriptor * was not found */ public NodeRevisionDescriptors retrieveRevisionDescriptors(Uri uri) throws ServiceAccessException, RevisionDescriptorNotFoundException { NodeRevisionDescriptors revisionDescriptors = null; if (isForceStoreEnlistment(uri)) { enlist(revisionDescriptorsStore); try { revisionDescriptors = revisionDescriptorsStore.retrieveRevisionDescriptors(uri); } catch (ServiceAccessException e) { delist(revisionDescriptorsStore, false); throw e; } catch (RevisionDescriptorNotFoundException e) { // Normal read failures aren't considered fatal delist(revisionDescriptorsStore); throw e; } catch (Error e) { delist(revisionDescriptorsStore, false); throw e; } catch (Throwable t) { delist(revisionDescriptorsStore, false); // Wrap everything else in a ServiceAccessException throw new ServiceAccessException (revisionDescriptorsStore, t); } delist(revisionDescriptorsStore); } else { try { revisionDescriptors = revisionDescriptorsStore.retrieveRevisionDescriptors(uri); } catch (ServiceAccessException e) { throw e; } catch (RevisionDescriptorNotFoundException e) { throw e; } catch (Error e) { throw e; } catch (Throwable t) { // Wrap everything else in a ServiceAccessException throw new ServiceAccessException (revisionDescriptorsStore, t); } } revisionDescriptors.validate(uri.toString()); return revisionDescriptors; } /** * Create new revision descriptors. * * @param uri Uri * @param revisionDescriptors Node revision descriptors * @exception ServiceAccessException Service access error */ public void createRevisionDescriptors (Uri uri, NodeRevisionDescriptors revisionDescriptors) throws ServiceAccessException { revisionDescriptors.validate(uri.toString()); enlist(revisionDescriptorsStore); try { revisionDescriptorsStore.createRevisionDescriptors (uri, revisionDescriptors); } catch (ServiceAccessException e) { delist(revisionDescriptorsStore, false); throw e; } catch (Error e) { delist(revisionDescriptorsStore, false); throw e; } catch (Throwable t) { delist(revisionDescriptorsStore, false); // Wrap everything else in a ServiceAccessException throw new ServiceAccessException (revisionDescriptorsStore, t); } delist(revisionDescriptorsStore); } /** * Update revision descriptors. * * @param uri Uri * @param revisionDescriptors Node revision descriptors * @exception ServiceAccessException Service access error * @exception RevisionDescriptorNotFoundException Revision descriptor * was not found */ public void storeRevisionDescriptors (Uri uri, NodeRevisionDescriptors revisionDescriptors) throws ServiceAccessException, RevisionDescriptorNotFoundException { revisionDescriptors.validate(uri.toString()); enlist(revisionDescriptorsStore); try { revisionDescriptorsStore.storeRevisionDescriptors (uri, revisionDescriptors); } catch (ServiceAccessException e) { delist(revisionDescriptorsStore, false); throw e; } catch (RevisionDescriptorNotFoundException e) { delist(revisionDescriptorsStore); throw e; } catch (Error e) { delist(revisionDescriptorsStore, false); throw e; } catch (Throwable t) { delist(revisionDescriptorsStore, false); // Wrap everything else in a ServiceAccessException throw new ServiceAccessException (revisionDescriptorsStore, t); } delist(revisionDescriptorsStore); } /** * Remove revision descriptors. * * @param uri Uri * @exception ServiceAccessException Service access error */ public void removeRevisionDescriptors(Uri uri) throws ServiceAccessException { enlist(revisionDescriptorsStore); try { revisionDescriptorsStore.removeRevisionDescriptors(uri); } catch (ServiceAccessException e) { delist(revisionDescriptorsStore, false); throw e; } catch (Error e) { delist(revisionDescriptorsStore, false); throw e; } catch (Throwable t) { delist(revisionDescriptorsStore, false); // Wrap everything else in a ServiceAccessException throw new ServiceAccessException (revisionDescriptorsStore, t); } delist(revisionDescriptorsStore); } /** * Retrieve revision descriptor. * * @param uri uri * @param revisionNumber Node revision number */ public NodeRevisionDescriptor retrieveRevisionDescriptor (Uri uri, NodeRevisionNumber revisionNumber) throws ServiceAccessException, RevisionDescriptorNotFoundException { NodeRevisionDescriptor revisionDescriptor = null; if (isForceStoreEnlistment(uri)) { enlist(revisionDescriptorStore); try { revisionDescriptor = revisionDescriptorStore.retrieveRevisionDescriptor (uri, revisionNumber); } catch (ServiceAccessException e) { delist(revisionDescriptorStore, false); throw e; } catch (RevisionDescriptorNotFoundException e) { // Normal read failures aren't considered fatal delist(revisionDescriptorStore); throw e; } catch (Error e) { delist(revisionDescriptorsStore, false); throw e; } catch (Throwable t) { delist(revisionDescriptorStore, false); // Wrap everything else in a ServiceAccessException throw new ServiceAccessException (revisionDescriptorStore, t); } delist(revisionDescriptorStore); } else { try { revisionDescriptor = revisionDescriptorStore.retrieveRevisionDescriptor (uri, revisionNumber); } catch (ServiceAccessException e) { throw e; } catch (RevisionDescriptorNotFoundException e) { throw e; } catch (Error e) { throw e; } catch (Throwable t) { // Wrap everything else in a ServiceAccessException throw new ServiceAccessException (revisionDescriptorStore, t); } } revisionDescriptor.validate(); return revisionDescriptor; } /** * Create new revision descriptor. * * @param uri Uri * @param revisionDescriptor Node revision descriptor * @exception ServiceAccessException Service access error */ public void createRevisionDescriptor (Uri uri, NodeRevisionDescriptor revisionDescriptor) throws ServiceAccessException { revisionDescriptor.validate(); enlist(propertiesIndexer); enlist(revisionDescriptorStore); try { propertiesIndexer.createIndex (uri, revisionDescriptor, null); revisionDescriptorStore.createRevisionDescriptor (uri, revisionDescriptor); revisionDescriptor.resetRemovedProperties(); revisionDescriptor.resetUpdatedProperties(); } catch (ServiceAccessException e) { delist (propertiesIndexer, false); delist(revisionDescriptorStore, false); throw e; } catch (Error e) { delist (propertiesIndexer, false); delist(revisionDescriptorStore, false); throw e; } catch (Throwable t) { delist (propertiesIndexer, false); delist(revisionDescriptorStore, false); // Wrap everything else in a ServiceAccessException throw new ServiceAccessException (revisionDescriptorStore, t); } delist (propertiesIndexer); delist (revisionDescriptorStore); } /** * Update revision descriptor. * * @param uri Uri * @param revisionDescriptor Node revision descriptor * @exception ServiceAccessException Service access error * @exception RevisionDescriptorNotFoundException Revision descriptor * was not found */ public void storeRevisionDescriptor (Uri uri, NodeRevisionDescriptor revisionDescriptor) throws ServiceAccessException, RevisionDescriptorNotFoundException { revisionDescriptor.validate(); enlist (propertiesIndexer); enlist(revisionDescriptorStore); try { propertiesIndexer.updateIndex (uri, revisionDescriptor, null); revisionDescriptorStore.storeRevisionDescriptor (uri, revisionDescriptor); revisionDescriptor.resetRemovedProperties(); revisionDescriptor.resetUpdatedProperties(); } catch (ServiceAccessException e) { delist (propertiesIndexer, false); delist(revisionDescriptorStore, false); throw e; } catch (RevisionDescriptorNotFoundException e) { delist (propertiesIndexer); delist(revisionDescriptorStore); throw e; } catch (Error e) { delist (propertiesIndexer, false); delist(revisionDescriptorStore, false); throw e; } catch (Throwable t) { delist (propertiesIndexer, false); delist(revisionDescriptorStore, false); // Wrap everything else in a ServiceAccessException throw new ServiceAccessException (revisionDescriptorStore, t); } delist (propertiesIndexer); delist(revisionDescriptorStore); } /** * Remove revision descriptor. * * @param uri Uri * @param revisionNumber Revision number * @exception ServiceAccessException Service access error */ public void removeRevisionDescriptor (Uri uri, NodeRevisionNumber number) throws ServiceAccessException { number.validate(); enlist(propertiesIndexer); enlist(revisionDescriptorStore); try { propertiesIndexer.dropIndex (uri, number); revisionDescriptorStore.removeRevisionDescriptor(uri, number); } catch (ServiceAccessException e) { delist(propertiesIndexer, false); delist(revisionDescriptorStore, false); throw e; } catch (Error e) { delist (propertiesIndexer, false); delist(revisionDescriptorStore, false); throw e; } catch (Throwable t) { delist(propertiesIndexer, false); delist(revisionDescriptorStore, false); // Wrap everything else in a ServiceAccessException throw new ServiceAccessException (revisionDescriptorStore, t); } delist(propertiesIndexer); delist(revisionDescriptorStore); } /** * Retrive revision content. * * @param uri Uri * @param revisionDescriptor Node revision descriptor */ public NodeRevisionContent retrieveRevisionContent (Uri uri, NodeRevisionDescriptor revisionDescriptor) throws ServiceAccessException, RevisionNotFoundException { NodeRevisionContent revisionContent = null; if (isForceStoreEnlistment(uri)) { enlist(contentStore); try { revisionContent = contentStore.retrieveRevisionContent (uri, revisionDescriptor); } catch (ServiceAccessException e) { delist(contentStore, false); throw e; } catch (RevisionNotFoundException e) { // Normal read failures aren't considered fatal delist(contentStore); throw e; } catch (Error e) { delist(contentStore, false); throw e; } catch (Throwable t) { delist(contentStore, false); // Wrap everything else in a ServiceAccessException throw new ServiceAccessException (contentStore, t); } delist(contentStore); } else { try { revisionContent = contentStore.retrieveRevisionContent (uri, revisionDescriptor); } catch (ServiceAccessException e) { throw e; } catch (RevisionNotFoundException e) { throw e; } catch (Error e) { throw e; } catch (Throwable t) { // Wrap everything else in a ServiceAccessException throw new ServiceAccessException (contentStore, t); } } revisionContent.validate(); return revisionContent; } /** * Create a new revision * * @param uri Uri * @param revisionDescriptor Node revision descriptor * @param revisionContent Node revision content */ public void createRevisionContent (Uri uri, NodeRevisionDescriptor revisionDescriptor, NodeRevisionContent revisionContent) throws ServiceAccessException, RevisionAlreadyExistException { revisionDescriptor.validate(); revisionContent.validate(); enlist(contentIndexer); enlist(contentStore); try { contentIndexer.createIndex (uri, revisionDescriptor, revisionContent); contentStore.createRevisionContent(uri, revisionDescriptor, revisionContent); } catch (ServiceAccessException e) { delist(contentIndexer, false); delist(contentStore, false); throw e; } catch (RevisionAlreadyExistException e) { delist(contentIndexer); delist(contentStore); throw e; } catch (Error e) { delist(contentIndexer, false); delist(contentStore, false); throw e; } catch (Throwable t) { delist(contentIndexer, false); delist(contentStore, false); // Wrap everything else in a ServiceAccessException throw new ServiceAccessException(contentStore, t); } delist(contentIndexer); delist(contentStore); } /** * Modify the latest revision of an object. * * @param uri Uri * @param revisionDescriptor Node revision descriptor * @param revisionContent Node revision content */ public void storeRevisionContent (Uri uri, NodeRevisionDescriptor revisionDescriptor, NodeRevisionContent revisionContent) throws ServiceAccessException, RevisionNotFoundException { revisionDescriptor.validate(); revisionContent.validate(); enlist (contentIndexer); enlist(contentStore); try { contentIndexer.updateIndex (uri, revisionDescriptor, revisionContent); contentStore.storeRevisionContent(uri, revisionDescriptor, revisionContent); } catch (ServiceAccessException e) { delist (contentIndexer, false); delist (contentStore, false); throw e; } catch (RevisionNotFoundException e) { delist(contentIndexer); delist(contentStore); throw e; } catch (Error e) { delist(contentIndexer, false); delist(contentStore, false); throw e; } catch (Throwable t) { delist(contentIndexer, false); delist(contentStore, false); // Wrap everything else in a ServiceAccessException throw new ServiceAccessException (contentStore, t); } delist(contentIndexer); delist(contentStore); } /** * Remove revision. * * @param uri Uri * @param revisionDescriptor Node revision descriptor */ public void removeRevisionContent (Uri uri, NodeRevisionDescriptor revisionDescriptor) throws ServiceAccessException { revisionDescriptor.validate(); enlist(contentIndexer); enlist(contentStore); try { contentIndexer.dropIndex (uri, revisionDescriptor.getRevisionNumber()); contentStore.removeRevisionContent(uri, revisionDescriptor); } catch (ServiceAccessException e) { delist(contentIndexer, false); delist(contentStore, false); throw e; } catch (Error e) { delist(contentIndexer, false); delist(contentStore, false); throw e; } catch (Throwable t) { delist(contentIndexer, false); delist(contentStore, false); // Wrap everything else in a ServiceAccessException throw new ServiceAccessException(contentStore, t); } delist(contentIndexer); delist(contentStore); } public void createPropertiesIndex(Uri uri, NodeRevisionDescriptor revisionDescriptor, NodeRevisionContent revisionContent) throws ServiceAccessException, IndexException { enlist(propertiesIndexer); try { propertiesIndexer.createIndex(uri, revisionDescriptor, revisionContent); } finally { delist(propertiesIndexer); } } public void createContentIndex(Uri uri, NodeRevisionDescriptor revisionDescriptor, NodeRevisionContent revisionContent) throws ServiceAccessException, IndexException { enlist(contentIndexer); try { contentIndexer.createIndex(uri, revisionDescriptor, revisionContent); } finally { delist(contentIndexer); } } // ------------------------------------------------------ Protected Methods /** * Return true if the store should also be enlisted for a read operation. */ protected boolean isForceStoreEnlistment(Uri uri) { SlideToken token = uri.getToken(); if (token == null) return false; return token.isForceStoreEnlistment(); } /** * Add a new resource manager. * * @param service New resource manager */ protected void addResourceManager(Service service) { if (service == null) return; // First check if the new store isn't already in the array for (int i = 0; i < resourceManagers.length; i++) { try { if (resourceManagers[i].isSameRM(service)) return; } catch (XAException e) { } } Service results[] = new Service[resourceManagers.length + 1]; System.arraycopy(resourceManagers, 0, results, 0, resourceManagers.length); results[resourceManagers.length] = service; resourceManagers = results; } /** * Enlist the resource manager in the current transaction. */ protected void enlist() throws ServiceAccessException { enlist(this); } /** * Enlist the resource manager in the current transaction. */ protected void enlist(Service service) throws ServiceAccessException { // Note: No exception is thrown boolean enlisted = false; // FIXME : Enhance retries. int nbTry = 0; while ((!enlisted) && (nbTry++ < 20)) { Transaction transaction = null; try { transaction = namespace.getTransactionManager().getTransaction(); } catch (Exception e) { } if (transaction == null) { getLogger().log("WARNING: No active transaction", Logger.WARNING); return; } try { enlisted = transaction.enlistResource(service); } catch (Exception e) { // Something went wrong. setRollbackOnly(); throw new ServiceAccessException(this, e); } if (!enlisted) { try { Thread.sleep(200); } catch (InterruptedException e) { // Then go on. } } } if (!enlisted) { String exMessage = Messages.format (AbstractStore.class.getName() + ".enlistFail", service); setRollbackOnly(); throw new ServiceAccessException(this, exMessage); } if (getLogger().isEnabled(LOG_CHANNEL, Logger.DEBUG)) { String logMessage = Messages.format (AbstractStore.class.getName() + ".enlist", service); getLogger().log(logMessage, LOG_CHANNEL, Logger.DEBUG); } } /** * Delist (suspend) the resource manager in the current transaction. */ protected void delist(boolean success) throws ServiceAccessException { delist(this, success); } /** * Delist (suspend) the resource manager in the current transaction. */ protected void delist(Service service) throws ServiceAccessException { delist(service, true); } /** * Delist (suspend) the resource manager in the current transaction. */ protected void delist(Service service, boolean success) throws ServiceAccessException { try { Transaction transaction = namespace.getTransactionManager().getTransaction(); if (transaction == null) return; if (success) { transaction.delistResource(service, TMSUSPEND); if (getLogger().isEnabled(LOG_CHANNEL, Logger.DEBUG)) { String logMessage = Messages.format (AbstractStore.class.getName() + ".delist", service); getLogger().log(logMessage, LOG_CHANNEL, Logger.DEBUG); } } else { transaction.delistResource(service, TMFAIL); String logMessage = Messages.format (AbstractStore.class.getName() + ".delistFail", service); if (getLogger().isEnabled(Logger.DEBUG)) { getLogger().log(logMessage, LOG_CHANNEL, Logger.DEBUG); } } } catch (Exception e) { // Something went wrong. throw new ServiceAccessException(this, e); } } /** * Mark transaction as rollback in case of enlistment failure. */ protected void setRollbackOnly() { try { Transaction transaction = namespace.getTransactionManager().getTransaction(); if (transaction == null) return; transaction.setRollbackOnly(); } catch (Exception e) { } } /** * Always returns false. Default implementation for this method * Stores that support binding should override this method. */ public boolean useBinding() { return false; } }

The table below shows all metrics for AbstractStore.java.

MetricValueDescription
BLOCKS287.00Number of blocks
BLOCK_COMMENT22.00Number of block comment lines
COMMENTS514.00Comment lines
COMMENT_DENSITY 0.55Comment density
COMPARISONS54.00Number of comparison operators
CYCLOMATIC243.00Cyclomatic complexity
DECL_COMMENTS95.00Comments in declarations
DOC_COMMENT436.00Number of javadoc comment lines
ELOC927.00Effective lines of code
EXEC_COMMENTS42.00Comments in executable code
EXITS91.00Procedure exits
FUNCTIONS76.00Number of function declarations
HALSTEAD_DIFFICULTY87.84Halstead difficulty
HALSTEAD_EFFORT 0.00Halstead effort
INTERFACE_COMPLEXITY289.00Interface complexity
JAVA0001 0.00JAVA0001 Package name does not contain only lower case letters
JAVA0002 0.00JAVA0002 Package name does not begin with a top level domain name or country code
JAVA0003 0.00JAVA0003 Minimize use of on-demand (.*) imports
JAVA0004 0.00JAVA0004 Unnecessary import from java.lang
JAVA0005 0.00JAVA0005 Imports not in specified order
JAVA0006 0.00JAVA0006 Empty finally block
JAVA0007 0.00JAVA0007 Should not declare public field
JAVA0008 1.00JAVA0008 Empty catch block
JAVA0009 0.00JAVA0009 Protected member in final class
JAVA0010 0.00JAVA0010 Non-instantiable class does not contain a non-private static member
JAVA0011 1.00JAVA0011 Abstract class does not contain an abstract method
JAVA0012 0.00JAVA0012 Non-constructor method with same name as declaring class
JAVA0013 0.00JAVA0013 Non-blank final field is not static
JAVA0014 0.00JAVA0014 Class with only static members has non-private constructor
JAVA0015 0.00JAVA0015 Package class contains public nested type
JAVA0016 0.00JAVA0016 Abstract class contains public constructor
JAVA0017 0.00JAVA0017 Class name does not have required form
JAVA0018 0.00JAVA0018 Method name does not have required form
JAVA0019 0.00JAVA0019 Interface name does not have required form
JAVA0020 0.00JAVA0020 Field name does not have required form
JAVA0021 0.00JAVA0021 Interface method name does not have required form
JAVA0022 0.00JAVA0022 Static final field name does not have required form
JAVA0023 0.00JAVA0023 Empty finalize method
JAVA0024 0.00JAVA0024 Empty class
JAVA0025 0.00JAVA0025 Method override is empty
JAVA0026 0.00JAVA0026 Finalize method with parameters
JAVA0029 0.00JAVA0029 Private method not used
JAVA0030 0.00JAVA0030 Private field not used
JAVA0031 0.00JAVA0031 Case statement not properly closed
JAVA0032 0.00JAVA0032 Switch statement missing default
JAVA0033 0.00JAVA0033 default: not last case in switch statement
JAVA0034 6.00JAVA0034 Missing braces in if statement
JAVA0035 0.00JAVA0035 Missing braces in for statement
JAVA0036 0.00JAVA0036 Missing braces in while statement
JAVA0038 0.00JAVA0038 Non-case label in switch statement
JAVA0039 0.00JAVA0039 Break statement with label
JAVA0040 0.00JAVA0040 Switch statement contains N cases (maximum: M)
JAVA0041 0.00JAVA0041 Nested synchronized block
JAVA0042 0.00JAVA0042 Empty synchronized statement
JAVA0043 0.00JAVA0043 Inner class does not use outer class
JAVA0044 0.00JAVA0044 Serializable class with no instance variables
JAVA0045 0.00JAVA0045 Serializable class with only transient fields
JAVA0046 0.00JAVA0046 Name of class not derived from Exception ends with 'Exception'
JAVA0047 0.00JAVA0047 Serializable class derives from invalid base class
JAVA0048 0.00JAVA0048 Name of class derived from Exception does not end with 'Exception'
JAVA0049 0.00JAVA0049 Nested block at depth N (maximum: M)
JAVA0050 0.00JAVA0050 Class derives from java.lang.Error
JAVA0051 0.00JAVA0051 Class derives from java.lang.RuntimeException
JAVA0052 0.00JAVA0052 Class derives from java.lang.Throwable
JAVA0053 0.00JAVA0053 Unused label
JAVA0054 0.00JAVA0054 Inheritance depth N exceeds maximum M
JAVA0055 0.00JAVA0055 Class should be interface
JAVA0056 0.00JAVA0056 Unnecessary abstract modifier for interface or annotation
JAVA0057 0.00JAVA0057 Unnecessary default constructor
JAVA0058 0.00JAVA0058 Constructor calls super()
JAVA0059 6.00JAVA0059 Method override only calls super()
JAVA0061 0.00JAVA0061 Inaccessible member in anonymous class
JAVA0062 0.00JAVA0062 Public class missing public member or protected constructor
JAVA0063 0.00JAVA0063 Identifier name should not contain '$'
JAVA0064 0.00JAVA0064 N variations of identifier name (maximum: M)
JAVA0065 0.00JAVA0065 Unnecessary final modifier for method in final class
JAVA0066 0.00JAVA0066 Unnecessary modifier for interface nested type
JAVA0067 2.00JAVA0067 Array descriptor on identifier name
JAVA0068 0.00JAVA0068 Modifiers not declared in recommended order
JAVA0071 0.00JAVA0071 Strings compared with ==
JAVA0073 0.00JAVA0073 Integer division in floating-point context
JAVA0074 0.00JAVA0074 Use of Object.notify()
JAVA0075 0.00JAVA0075 Method parameter hides field
JAVA0076 0.00JAVA0076 Use of magic number
JAVA0077 0.00JAVA0077 Private field not used in declaring class
JAVA0078 0.00JAVA0078 Floating point values compared with ==
JAVA0079 0.00JAVA0079 Use of instance to reference static member
JAVA0080 0.00JAVA0080 Import declaration not used
JAVA0081 0.00JAVA0081 Boolean literal in comparison
JAVA0082 0.00JAVA0082 Unnecessary widening cast
JAVA0083 0.00JAVA0083 Unnecessary instanceof test
JAVA0084 0.00JAVA0084 Should use compound assignment operator
JAVA0085 0.00JAVA0085 Use of sun.* class
JAVA0087 1.00JAVA0087 Use of Thread.sleep()
JAVA0089 0.00JAVA0089 Use of restricted package
JAVA0092 0.00JAVA0092 Use of restricted type
JAVA0093 0.00JAVA0093 Redundant assignment
JAVA0094 0.00JAVA0094 Field hides a superclass field
JAVA0095 0.00JAVA0095 Uninitialized private field
JAVA0096 0.00JAVA0096 Field in nested class hides outer field
JAVA0098 0.00JAVA0098 Minimize use of implicit field initializers
JAVA0100 1.00JAVA0100 Class contains N non-final fields (maximum: M)
JAVA0101 0.00JAVA0101 Unnecessary modifier for field in interface
JAVA0102 0.00JAVA0102 Last statement in finalize() not super.finalize()
JAVA0103 0.00JAVA0103 Explicit call to finalize()
JAVA0104 0.00JAVA0104 finalize() only calls super.finalize()
JAVA0105 0.00JAVA0105 Duplicate import declaration
JAVA0106 0.00JAVA0106 Unnecessary import from current package
JAVA0108 6.00JAVA0108 Incorrect javadoc: no @param tag for 'parameter'
JAVA0109 1.00JAVA0109 Incorrect javadoc: no parameter 'parameter'
JAVA011014.00JAVA0110 Incorrect javadoc: no @return tag
JAVA0111 0.00JAVA0111 Incorrect javadoc: @return tag for void method
JAVA0112 2.00JAVA0112 Incorrect javadoc: no exception 'exception' in throws
JAVA0113 1.00JAVA0113 Incorrect javadoc: no @author tag
JAVA0114 0.00JAVA0114 Incorrect javadoc: no @version tag
JAVA011527.00JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception'
JAVA0116 0.00JAVA0116 Missing javadoc: field 'field'
JAVA0117 2.00JAVA0117 Missing javadoc: method 'method'
JAVA0118 0.00JAVA0118 Missing javadoc: type 'type'
JAVA0119 0.00JAVA0119 Control variable changed within body of for loop
JAVA0123 0.00JAVA0123 Use all three components of for loop
JAVA0125 0.00JAVA0125 Continue statement with label
JAVA0126 0.00JAVA0126 Method declares unchecked exception in throws
JAVA0128 0.00JAVA0128 Public constructor in non-public class
JAVA0130 0.00JAVA0130 Non-static method does not use instance fields
JAVA0131 0.00JAVA0131 Compatible method does not override base
JAVA0132 0.00JAVA0132 Method overload with compatible signature
JAVA0133 0.00JAVA0133 Non-synchronized method overrides synchronized method
JAVA0135 0.00JAVA0135 Only one of Object.equals and Object.hashCode defined: missing 'method'
JAVA0136 1.00JAVA0136 N methods defined in class (maximum: M)
JAVA0137 0.00JAVA0137 Non-abstract class missing constructor
JAVA0138 0.00JAVA0138 N parameters defined for method (maximum: M)
JAVA0139 0.00JAVA0139 Definition of main other than public static void main(java.lang.String[])
JAVA0141 0.00JAVA0141 Unnecessary modifier for method in interface
JAVA0143 0.00JAVA0143 Synchronized method
JAVA0144 0.00JAVA0144 Line exceeds maximum M characters
JAVA014522.00JAVA0145 Tab character used in source file
JAVA015031.00JAVA0150 java.lang.Error (or subclass) thrown
JAVA0153 0.00JAVA0153 Inefficient conversion of integer to string
JAVA0159 0.00JAVA0159 Inefficient conversion of string to integer
JAVA0160 0.00JAVA0160 Method does not throw specified exception
JAVA0161 0.00JAVA0161 Conditional wait() not in loop
JAVA0163 0.00JAVA0163 Empty statement
JAVA0165 0.00JAVA0165 Conflicting return statement in finally block
JAVA016666.00JAVA0166 Generic exception caught
JAVA0167 0.00JAVA0167 ThreadDeath not rethrown
JAVA0169 0.00JAVA0169 Unnecessary catch block: exception 'exception'
JAVA017062.00JAVA0170 Caught exception not derived from java.lang.Exception
JAVA0171 0.00JAVA0171 Unused local variable
JAVA0173 0.00JAVA0173 Unused method parameter
JAVA0174 0.00JAVA0174 Assigned local variable never used
JAVA0175 0.00JAVA0175 Successive assignment to variable
JAVA0176 0.00JAVA0176 Local variable name does not have required form
JAVA0177 0.00JAVA0177 Variable declaration missing initializer
JAVA0179 0.00JAVA0179 Local variable hides visible field
JAVA0233 0.00JAVA0233 Definition of serialVersionUID other than 'private static final long serialVersionUID'
JAVA0234 0.00JAVA0234 Class is Serializable but does not define serialVersionUID
JAVA0235 0.00JAVA0235 Class defines serialVersionUID but does not implement Serializable
JAVA0236 0.00JAVA0236 Attempt to clone an object which does not implement Cloneable
JAVA0237 0.00JAVA0237 Class implements Cloneable but does not have public clone method
JAVA0238 0.00JAVA0238 Clone method does not call super.clone()
JAVA0239 0.00JAVA0239 Class declares 'readObject' or 'writeObject' but does not implement Serializable
JAVA0240 0.00JAVA0240 Serializable class which declares readObject or writeObject but not both
JAVA0241 0.00JAVA0241 'readObject' or 'writeObject' should be declared private in Serializable class
JAVA0242 0.00JAVA0242 Transient field in non-Serializable class
JAVA0243 0.00JAVA0243 'readResolve' or 'writeReplace' should be declared private or protected
JAVA0244 0.00JAVA0244 Field or method name in subclass differs only by case from inherited field or method
JAVA0245 0.00JAVA0245 JUnit TestCase with non-trivial constructor
JAVA0246 0.00JAVA0246 JUnit assertXXX statement missing message parameter
JAVA0247 0.00JAVA0247 JUnit 'setUp()' and 'tearDown()' should call super method
JAVA0248 0.00JAVA0248 JUnit method 'setUp' or 'tearDown' with incorrect signature
JAVA0249 0.00JAVA0249 JUnit TestCase 'suite()' should be declared static
JAVA0250 0.00JAVA0250 JUnit TestCase declares testXXX method with incorrect signature
JAVA0251 0.00JAVA0251 Use '%n' for line breaks in printf/format for platform independence
JAVA0252 0.00JAVA0252 'enum' is a Java 1.5 reserved word
JAVA0253 0.00JAVA0253 Not all enum constants consumed in switch statement
JAVA0254 0.00JAVA0254 Use enhanced for loop construct instead of Iterator
JAVA0255 0.00JAVA0255 Result of method invocation not used
JAVA0256 0.00JAVA0256 Assignment of external collection/array to field
JAVA0257 0.00JAVA0257 Use of 'Constant Interface' anti-pattern
JAVA0258 0.00JAVA0258 Implement Iterable for foreach compatibility
JAVA0259 0.00JAVA0259 Return of collection/array field
JAVA0260 0.00JAVA0260 Use 'enum' instead of Enumerated Type pattern
JAVA0261 0.00JAVA0261 Use specialized Enum collection types
JAVA0262 0.00JAVA0262 Use of char in integer context
JAVA0263 0.00JAVA0263 Long literal ends with 'l' instead of 'L'
JAVA0264 0.00JAVA0264 Integer math in long context - check for overflow
JAVA0265 0.00JAVA0265 Use of Throwable.printStackTrace()
JAVA0266 0.00JAVA0266 Use of System.out
JAVA0267 0.00JAVA0267 Use of System.err
JAVA0269 0.00JAVA0269 Contents of StringBuffer never used
JAVA0270 9.00JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array
JAVA0271 0.00JAVA0271 Minimize use of on-demand (.*) static imports
JAVA0272 0.00JAVA0272 Thread.run() called
JAVA0273 0.00JAVA0273 Non-final derivative of Thread calls start() in constructor
JAVA0274 0.00JAVA0274 Serializable class has a synchronized readObject()
JAVA0275 0.00JAVA0275 Serializable class has a synchronized writeObject() and no other synchronized methods
JAVA0276 0.00JAVA0276 Unnecessary use of String constructor
JAVA0277 0.00JAVA0277 Iterator.next() implementation does not throw NoSuchElementException
JAVA0278 0.00JAVA0278 Unnecessary use of Boolean constructor
JAVA0279 0.00JAVA0279 Serialization method readObject or readObjectNoData calls an overridable method
JAVA0280 0.00JAVA0280 IllegalMonitorStateException caught
JAVA0281 0.00JAVA0281 Iterator.next() not called in loop
JAVA0282 0.00JAVA0282 Call to Iterator.next() in loop which does not test Iterator.hasNext()
JAVA0283 0.00JAVA0283 Control variable not updated in loop body
JAVA0284 0.00JAVA0284 Explicit garbage collection
JAVA0285 0.00JAVA0285 Dereference of potentially null variable
JAVA0286 0.00JAVA0286 Dereference of null variable
JAVA0287 0.00JAVA0287 Unnecessary null check
JAVA0288 0.00JAVA0288 Inconsistent null check
LINES1822.00Number of lines in the source file
LINE_COMMENT56.00Number of line comments
LOC1089.00Lines of code
LOGICAL_LINES551.00Number of statements
LOOPS10.00Number of loops
NEST_DEPTH 4.00Maximum nesting depth
OPERANDS2005.00Number of operands
OPERATORS4026.00Number of operators
PARAMS96.00Number of formal parameter declarations
PROGRAM_LENGTH6031.00Halstead program length
PROGRAM_VOCAB571.00Halstead program vocabulary
PROGRAM_VOLUME 0.00Halstead program volume
RETURNS193.00Number of return points from functions
SIZE59685.00Size of the file in bytes
UNIQUE_OPERANDS525.00Number of unique operands