AbstractSimpleService.java
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|---|---|---|
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org.apache.slide.common |
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Jakarta Slide |
View: Reasons, Metrics, Source Code
These are the metrics that contribute to the Enerjy Score for this file, ranked by impact. So the metrics listed at the top influence the score to a greater extent that the metrics listed at the bottom.
| Metric | Description | |
|---|---|---|
| JAVA0034 | JAVA0034 Missing braces in if statement |  |
| DOC_COMMENT | Number of javadoc comment lines | |
| COMMENTS | Comment lines | |
| DECL_COMMENTS | Comments in declarations | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0116 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0032 | JAVA0032 Switch statement missing default | |
| EXEC_COMMENTS | Comments in executable code | |
| RETURNS | Number of return points from functions | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| BLOCKS | Number of blocks | |
| LINE_COMMENT | Number of line comments | |
| EXITS | Procedure exits | |
| LOOPS | Number of loops | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| SIZE | Size of the file in bytes | |
| UNIQUE_OPERANDS | Number of unique operands | |
| FUNCTIONS | Number of function declarations | |
| LOGICAL_LINES | Number of statements | |
| OPERANDS | Number of operands | |
| LOC | Lines of code | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
/*
* $Header$
* $Revision: 232269 $
* $Date: 2005-08-12 07:10:33 -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.common;
import java.util.Vector;
import javax.transaction.xa.XAException;
import javax.transaction.xa.XAResource;
import javax.transaction.xa.Xid;
import org.apache.slide.transaction.SlideTransactionManager;
/**
* Slide Service simple implementation. Will allow only one simultaneous
* transaction context.
*
* @deprecated do not use as it only allows for a single concurrent transaction context
* @version $Revision: 232269 $
*/
public abstract class AbstractSimpleService extends AbstractServiceBase
implements Service {
// -------------------------------------------------------------- Constants
public static final int TX_IDLE = 0;
public static final int TX_PREPARED = 1;
public static final int TX_SUSPENDED = 2;
// ----------------------------------------------------- Instance Variables
/**
* Current transaction context.
*/
protected Xid currentContext = null;
/**
* Status reagrding the current job.
*/
protected int status = TX_IDLE;
/**
* Transaction timeout.
*/
protected int transactionTimeout =
SlideTransactionManager.DEFAULT_TRANSACTION_TIMEOUT;
/**
* Rollback only.
*/
protected boolean rollbackOnly = false;
// ----------------------------------------------------- XAResource Mathods
/**
* 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 {
if (currentContext == null)
throw new XAException(XAException.XAER_NOTA);
if (xid == null)
throw new XAException(XAException.XAER_INVAL);
if (currentContext.getGlobalTransactionId()
!= xid.getGlobalTransactionId())
throw new XAException(XAException.XAER_PROTO);
if (!onePhase && status != TX_PREPARED)
throw new XAException(XAException.XAER_PROTO);
if (onePhase && (!((status == TX_IDLE) || (status == TX_SUSPENDED))))
throw new XAException(XAException.XAER_PROTO);
if (rollbackOnly) {
rollback(xid);
throw new XAException(XAException.XA_RBROLLBACK);
}
currentContext = null;
status = TX_IDLE;
rollbackOnly = false;
}
/**
* Ends the work performed on behalf of a transaction branch. The
* resource manager disassociates the XA resource from the transaction
* branch specified and let the transaction be completed.
* If TMSUSPEND is specified in flags, the transaction branch is
* temporarily suspended in incomplete state. The transaction context is
* in suspened state and must be resumed via start with TMRESUME specified.
* If TMFAIL is specified, the portion of work has failed. The resource
* manager may mark the transaction as rollback-only.
* If TMSUCCESS is specified, the portion of work has completed
* successfully.
*
* @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 {
if (currentContext == null)
throw new XAException(XAException.XAER_NOTA);
if (xid == null)
throw new XAException(XAException.XAER_INVAL);
if (currentContext.getGlobalTransactionId()
!= xid.getGlobalTransactionId())
throw new XAException(XAException.XAER_PROTO);
if (flags == XAResource.TMSUSPEND)
status = TX_SUSPENDED;
if (flags == XAResource.TMFAIL)
rollbackOnly = true;
}
/**
* 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 {
if (currentContext == null)
throw new XAException(XAException.XAER_NOTA);
if (xid == null)
throw new XAException(XAException.XAER_INVAL);
if (currentContext.getGlobalTransactionId()
!= xid.getGlobalTransactionId())
throw new XAException(XAException.XAER_PROTO);
currentContext = null;
status = TX_IDLE;
rollbackOnly = false;
}
/**
* Obtain the current transaction timeout value set for this XAResource
* instance. If XAResource.setTransactionTimeout was not use prior to
* invoking this method, the return value is the default timeout set for
* the resource manager; otherwise, the value used in the previous
* setTransactionTimeout call is returned.
*
* @return the transaction timeout value in seconds.
* @exception XAException An error has occurred. Possible exception
* values are XAER_RMERR, XAER_RMFAIL.
*/
public int getTransactionTimeout()
throws XAException {
return transactionTimeout;
}
/**
* This method is called to determine if the resource manager instance
* represented by the target object is the same as the resouce manager
* instance represented by the parameter xares.
*
* @param xares An XAResource object whose resource manager instance is
* to be compared with the resource manager instance of the target object.
* @return true if it's the same RM instance; otherwise false.
* @exception XAException An error has occurred. Possible exception values
* are XAER_RMERR, XAER_RMFAIL.
*/
public boolean isSameRM(XAResource xares)
throws XAException {
if (xares == null)
return false;
return (this == xares);
}
/**
* 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 {
if (currentContext == null)
throw new XAException(XAException.XAER_NOTA);
if (xid == null)
throw new XAException(XAException.XAER_INVAL);
if (currentContext.getGlobalTransactionId()
!= xid.getGlobalTransactionId())
throw new XAException(XAException.XAER_PROTO);
if (!((status == TX_IDLE) || (status == TX_SUSPENDED)))
throw new XAException(XAException.XAER_PROTO);
if (rollbackOnly) {
// FIXME: Don't know if should be automatically rollbacked in that
// case
throw new XAException(XAException.XA_RBROLLBACK);
}
status = TX_PREPARED;
return XAResource.XA_OK;
}
/**
* Obtain a list of prepared transaction branches from a resource manager.
* The transaction manager calls this method during recovery to obtain the
* list of transaction branches that are currently in prepared or
* heuristically completed states.
*
* @param flag One of TMSTARTRSCAN, TMENDRSCAN, TMNOFLAGS. TMNOFLAGS must
* be used when no other flags are set in flags.
* @return The resource manager returns zero or more XIDs for the
* transaction branches that are currently in a prepared or heuristically
* completed state. If an error occurs during the operation, the resource
* manager should throw the appropriate XAException.
* @exception XAException An error has occurred. Possible values are
* XAER_RMERR, XAER_RMFAIL, XAER_INVAL, and XAER_PROTO.
*/
public Xid[] recover(int flag)
throws XAException {
Vector list = new Vector();
if ((status == TX_PREPARED) && (currentContext != null))
list.addElement(currentContext);
return (Xid[]) list.toArray(new Xid[list.size()]);
}
/**
* 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 {
if (currentContext == null)
throw new XAException(XAException.XAER_NOTA);
if (xid == null)
throw new XAException(XAException.XAER_INVAL);
if (currentContext.getGlobalTransactionId()
!= xid.getGlobalTransactionId())
throw new XAException(XAException.XAER_PROTO);
status = TX_IDLE;
currentContext = null;
rollbackOnly = false;
}
/**
* Set the current transaction timeout value for this XAResource instance.
*
* @param seconds the transaction timeout value in seconds.
* @return true if transaction timeout value is set successfully;
* otherwise false.
* @exception XAException An error has occurred. Possible exception
* values are XAER_RMERR, XAER_RMFAIL, or XAER_INVAL.
*/
public boolean setTransactionTimeout(int seconds)
throws XAException {
transactionTimeout = seconds;
return true;
}
/**
* Start work on behalf of a transaction branch specified in xid If
* TMJOIN is specified, the start is for joining a transaction previously
* seen by the resource manager. If TMRESUME is specified, the start is
* to resume a suspended transaction specified in the parameter xid. If
* neither TMJOIN nor TMRESUME is specified and the transaction specified
* by xid has previously been seen by the resource manager, the resource
* manager throws the XAException exception with XAER_DUPID error code.
*
* @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 {
if (xid == null)
throw new XAException(XAException.XAER_INVAL);
if ( (currentContext != null) &&
(currentContext.getGlobalTransactionId()
!= xid.getGlobalTransactionId()) )
throw new XAException(XAException.XAER_OUTSIDE);
switch (flags) {
case XAResource.TMNOFLAGS:
if (currentContext != null)
throw new XAException(XAException.XAER_INVAL);
currentContext = xid;
break;
case XAResource.TMJOIN:
if (currentContext == null)
throw new XAException(XAException.XAER_NOTA);
if (currentContext.getGlobalTransactionId()
!= xid.getGlobalTransactionId())
throw new XAException(XAException.XAER_INVAL);
break;
case XAResource.TMRESUME:
if (currentContext == null)
throw new XAException(XAException.XAER_NOTA);
if (status != TX_SUSPENDED)
throw new XAException(XAException.XAER_INVAL);
status = TX_IDLE;
break;
}
}
}
The table below shows all metrics for AbstractSimpleService.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 12.00 | Number of blocks | |
| BLOCK_COMMENT | 22.00 | Number of block comment lines | |
| COMMENTS | 169.00 | Comment lines | |
| COMMENT_DENSITY | 1.27 | Comment density | |
| COMPARISONS | 34.00 | Number of comparison operators | |
| CYCLOMATIC | 50.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 19.00 | Comments in declarations | |
| DOC_COMMENT | 142.00 | Number of javadoc comment lines | |
| ELOC | 133.00 | Effective lines of code | |
| EXEC_COMMENTS | 1.00 | Comments in executable code | |
| EXITS | 5.00 | Procedure exits | |
| FUNCTIONS | 10.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 84.11 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 51.00 | Interface complexity | |
| JAVA0001 | 0.00 | JAVA0001 Package name does not contain only lower case letters | |
| JAVA0002 | 0.00 | JAVA0002 Package name does not begin with a top level domain name or country code | |
| JAVA0003 | 0.00 | JAVA0003 Minimize use of on-demand (.*) imports | |
| JAVA0004 | 0.00 | JAVA0004 Unnecessary import from java.lang | |
| JAVA0005 | 0.00 | JAVA0005 Imports not in specified order | |
| JAVA0006 | 0.00 | JAVA0006 Empty finally block | |
| JAVA0007 | 0.00 | JAVA0007 Should not declare public field | |
| JAVA0008 | 0.00 | JAVA0008 Empty catch block | |
| JAVA0009 | 0.00 | JAVA0009 Protected member in final class | |
| JAVA0010 | 0.00 | JAVA0010 Non-instantiable class does not contain a non-private static member | |
| JAVA0011 | 1.00 | JAVA0011 Abstract class does not contain an abstract method | |
| JAVA0012 | 0.00 | JAVA0012 Non-constructor method with same name as declaring class | |
| JAVA0013 | 0.00 | JAVA0013 Non-blank final field is not static | |
| JAVA0014 | 0.00 | JAVA0014 Class with only static members has non-private constructor | |
| JAVA0015 | 0.00 | JAVA0015 Package class contains public nested type | |
| JAVA0016 | 0.00 | JAVA0016 Abstract class contains public constructor | |
| JAVA0017 | 0.00 | JAVA0017 Class name does not have required form | |
| JAVA0018 | 0.00 | JAVA0018 Method name does not have required form | |
| JAVA0019 | 0.00 | JAVA0019 Interface name does not have required form | |
| JAVA0020 | 0.00 | JAVA0020 Field name does not have required form | |
| JAVA0021 | 0.00 | JAVA0021 Interface method name does not have required form | |
| JAVA0022 | 0.00 | JAVA0022 Static final field name does not have required form | |
| JAVA0023 | 0.00 | JAVA0023 Empty finalize method | |
| JAVA0024 | 0.00 | JAVA0024 Empty class | |
| JAVA0025 | 0.00 | JAVA0025 Method override is empty | |
| JAVA0026 | 0.00 | JAVA0026 Finalize method with parameters | |
| JAVA0029 | 0.00 | JAVA0029 Private method not used | |
| JAVA0030 | 0.00 | JAVA0030 Private field not used | |
| JAVA0031 | 0.00 | JAVA0031 Case statement not properly closed | |
| JAVA0032 | 1.00 | JAVA0032 Switch statement missing default | |
| JAVA0033 | 0.00 | JAVA0033 default: not last case in switch statement | |
| JAVA0034 | 29.00 | JAVA0034 Missing braces in if statement | |
| JAVA0035 | 0.00 | JAVA0035 Missing braces in for statement | |
| JAVA0036 | 0.00 | JAVA0036 Missing braces in while statement | |
| JAVA0038 | 0.00 | JAVA0038 Non-case label in switch statement | |
| JAVA0039 | 0.00 | JAVA0039 Break statement with label | |
| JAVA0040 | 0.00 | JAVA0040 Switch statement contains N cases (maximum: M) | |
| JAVA0041 | 0.00 | JAVA0041 Nested synchronized block | |
| JAVA0042 | 0.00 | JAVA0042 Empty synchronized statement | |
| JAVA0043 | 0.00 | JAVA0043 Inner class does not use outer class | |
| JAVA0044 | 0.00 | JAVA0044 Serializable class with no instance variables | |
| JAVA0045 | 0.00 | JAVA0045 Serializable class with only transient fields | |
| JAVA0046 | 0.00 | JAVA0046 Name of class not derived from Exception ends with 'Exception' | |
| JAVA0047 | 0.00 | JAVA0047 Serializable class derives from invalid base class | |
| JAVA0048 | 0.00 | JAVA0048 Name of class derived from Exception does not end with 'Exception' | |
| JAVA0049 | 0.00 | JAVA0049 Nested block at depth N (maximum: M) | |
| JAVA0050 | 0.00 | JAVA0050 Class derives from java.lang.Error | |
| JAVA0051 | 0.00 | JAVA0051 Class derives from java.lang.RuntimeException | |
| JAVA0052 | 0.00 | JAVA0052 Class derives from java.lang.Throwable | |
| JAVA0053 | 0.00 | JAVA0053 Unused label | |
| JAVA0054 | 0.00 | JAVA0054 Inheritance depth N exceeds maximum M | |
| JAVA0055 | 0.00 | JAVA0055 Class should be interface | |
| JAVA0056 | 0.00 | JAVA0056 Unnecessary abstract modifier for interface or annotation | |
| JAVA0057 | 0.00 | JAVA0057 Unnecessary default constructor | |
| JAVA0058 | 0.00 | JAVA0058 Constructor calls super() | |
| JAVA0059 | 0.00 | JAVA0059 Method override only calls super() | |
| JAVA0061 | 0.00 | JAVA0061 Inaccessible member in anonymous class | |
| JAVA0062 | 0.00 | JAVA0062 Public class missing public member or protected constructor | |
| JAVA0063 | 0.00 | JAVA0063 Identifier name should not contain '$' | |
| JAVA0064 | 0.00 | JAVA0064 N variations of identifier name (maximum: M) | |
| JAVA0065 | 0.00 | JAVA0065 Unnecessary final modifier for method in final class | |
| JAVA0066 | 0.00 | JAVA0066 Unnecessary modifier for interface nested type | |
| JAVA0067 | 0.00 | JAVA0067 Array descriptor on identifier name | |
| JAVA0068 | 0.00 | JAVA0068 Modifiers not declared in recommended order | |
| JAVA0071 | 0.00 | JAVA0071 Strings compared with == | |
| JAVA0073 | 0.00 | JAVA0073 Integer division in floating-point context | |
| JAVA0074 | 0.00 | JAVA0074 Use of Object.notify() | |
| JAVA0075 | 0.00 | JAVA0075 Method parameter hides field | |
| JAVA0076 | 0.00 | JAVA0076 Use of magic number | |
| JAVA0077 | 0.00 | JAVA0077 Private field not used in declaring class | |
| JAVA0078 | 0.00 | JAVA0078 Floating point values compared with == | |
| JAVA0079 | 0.00 | JAVA0079 Use of instance to reference static member | |
| JAVA0080 | 0.00 | JAVA0080 Import declaration not used | |
| JAVA0081 | 0.00 | JAVA0081 Boolean literal in comparison | |
| JAVA0082 | 0.00 | JAVA0082 Unnecessary widening cast | |
| JAVA0083 | 0.00 | JAVA0083 Unnecessary instanceof test | |
| JAVA0084 | 0.00 | JAVA0084 Should use compound assignment operator | |
| JAVA0085 | 0.00 | JAVA0085 Use of sun.* class | |
| JAVA0087 | 0.00 | JAVA0087 Use of Thread.sleep() | |
| JAVA0089 | 0.00 | JAVA0089 Use of restricted package | |
| JAVA0092 | 0.00 | JAVA0092 Use of restricted type | |
| JAVA0093 | 0.00 | JAVA0093 Redundant assignment | |
| JAVA0094 | 0.00 | JAVA0094 Field hides a superclass field | |
| JAVA0095 | 0.00 | JAVA0095 Uninitialized private field | |
| JAVA0096 | 0.00 | JAVA0096 Field in nested class hides outer field | |
| JAVA0098 | 0.00 | JAVA0098 Minimize use of implicit field initializers | |
| JAVA0100 | 0.00 | JAVA0100 Class contains N non-final fields (maximum: M) | |
| JAVA0101 | 0.00 | JAVA0101 Unnecessary modifier for field in interface | |
| JAVA0102 | 0.00 | JAVA0102 Last statement in finalize() not super.finalize() | |
| JAVA0103 | 0.00 | JAVA0103 Explicit call to finalize() | |
| JAVA0104 | 0.00 | JAVA0104 finalize() only calls super.finalize() | |
| JAVA0105 | 0.00 | JAVA0105 Duplicate import declaration | |
| JAVA0106 | 0.00 | JAVA0106 Unnecessary import from current package | |
| JAVA0108 | 0.00 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0109 | 0.00 | JAVA0109 Incorrect javadoc: no parameter 'parameter' | |
| JAVA0110 | 0.00 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0111 | 0.00 | JAVA0111 Incorrect javadoc: @return tag for void method | |
| JAVA0112 | 0.00 | JAVA0112 Incorrect javadoc: no exception 'exception' in throws | |
| JAVA0113 | 1.00 | JAVA0113 Incorrect javadoc: no @author tag | |
| JAVA0114 | 0.00 | JAVA0114 Incorrect javadoc: no @version tag | |
| JAVA0115 | 0.00 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0116 | 3.00 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0117 | 0.00 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0118 | 0.00 | JAVA0118 Missing javadoc: type 'type' | |
| JAVA0119 | 0.00 | JAVA0119 Control variable changed within body of for loop | |
| JAVA0123 | 0.00 | JAVA0123 Use all three components of for loop | |
| JAVA0125 | 0.00 | JAVA0125 Continue statement with label | |
| JAVA0126 | 0.00 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0128 | 0.00 | JAVA0128 Public constructor in non-public class | |
| JAVA0130 | 0.00 | JAVA0130 Non-static method does not use instance fields | |
| JAVA0131 | 0.00 | JAVA0131 Compatible method does not override base | |
| JAVA0132 | 0.00 | JAVA0132 Method overload with compatible signature | |
| JAVA0133 | 0.00 | JAVA0133 Non-synchronized method overrides synchronized method | |
| JAVA0135 | 0.00 | JAVA0135 Only one of Object.equals and Object.hashCode defined: missing 'method' | |
| JAVA0136 | 0.00 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0137 | 0.00 | JAVA0137 Non-abstract class missing constructor | |
| JAVA0138 | 0.00 | JAVA0138 N parameters defined for method (maximum: M) | |
| JAVA0139 | 0.00 | JAVA0139 Definition of main other than public static void main(java.lang.String[]) | |
| JAVA0141 | 0.00 | JAVA0141 Unnecessary modifier for method in interface | |
| JAVA0143 | 0.00 | JAVA0143 Synchronized method | |
| JAVA0144 | 0.00 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0145 | 2.00 | JAVA0145 Tab character used in source file | |
| JAVA0150 | 0.00 | JAVA0150 java.lang.Error (or subclass) thrown | |
| JAVA0153 | 0.00 | JAVA0153 Inefficient conversion of integer to string | |
| JAVA0159 | 0.00 | JAVA0159 Inefficient conversion of string to integer | |
| JAVA0160 | 0.00 | JAVA0160 Method does not throw specified exception | |
| JAVA0161 | 0.00 | JAVA0161 Conditional wait() not in loop | |
| JAVA0163 | 0.00 | JAVA0163 Empty statement | |
| JAVA0165 | 0.00 | JAVA0165 Conflicting return statement in finally block | |
| JAVA0166 | 0.00 | JAVA0166 Generic exception caught | |
| JAVA0167 | 0.00 | JAVA0167 ThreadDeath not rethrown | |
| JAVA0169 | 0.00 | JAVA0169 Unnecessary catch block: exception 'exception' | |
| JAVA0170 | 0.00 | JAVA0170 Caught exception not derived from java.lang.Exception | |
| JAVA0171 | 0.00 | JAVA0171 Unused local variable | |
| JAVA0173 | 0.00 | JAVA0173 Unused method parameter | |
| JAVA0174 | 0.00 | JAVA0174 Assigned local variable never used | |
| JAVA0175 | 0.00 | JAVA0175 Successive assignment to variable | |
| JAVA0176 | 0.00 | JAVA0176 Local variable name does not have required form | |
| JAVA0177 | 0.00 | JAVA0177 Variable declaration missing initializer | |
| JAVA0179 | 0.00 | JAVA0179 Local variable hides visible field | |
| JAVA0233 | 0.00 | JAVA0233 Definition of serialVersionUID other than 'private static final long serialVersionUID' | |
| JAVA0234 | 0.00 | JAVA0234 Class is Serializable but does not define serialVersionUID | |
| JAVA0235 | 0.00 | JAVA0235 Class defines serialVersionUID but does not implement Serializable | |
| JAVA0236 | 0.00 | JAVA0236 Attempt to clone an object which does not implement Cloneable | |
| JAVA0237 | 0.00 | JAVA0237 Class implements Cloneable but does not have public clone method | |
| JAVA0238 | 0.00 | JAVA0238 Clone method does not call super.clone() | |
| JAVA0239 | 0.00 | JAVA0239 Class declares 'readObject' or 'writeObject' but does not implement Serializable | |
| JAVA0240 | 0.00 | JAVA0240 Serializable class which declares readObject or writeObject but not both | |
| JAVA0241 | 0.00 | JAVA0241 'readObject' or 'writeObject' should be declared private in Serializable class | |
| JAVA0242 | 0.00 | JAVA0242 Transient field in non-Serializable class | |
| JAVA0243 | 0.00 | JAVA0243 'readResolve' or 'writeReplace' should be declared private or protected | |
| JAVA0244 | 0.00 | JAVA0244 Field or method name in subclass differs only by case from inherited field or method | |
| JAVA0245 | 0.00 | JAVA0245 JUnit TestCase with non-trivial constructor | |
| JAVA0246 | 0.00 | JAVA0246 JUnit assertXXX statement missing message parameter | |
| JAVA0247 | 0.00 | JAVA0247 JUnit 'setUp()' and 'tearDown()' should call super method | |
| JAVA0248 | 0.00 | JAVA0248 JUnit method 'setUp' or 'tearDown' with incorrect signature | |
| JAVA0249 | 0.00 | JAVA0249 JUnit TestCase 'suite()' should be declared static | |
| JAVA0250 | 0.00 | JAVA0250 JUnit TestCase declares testXXX method with incorrect signature | |
| JAVA0251 | 0.00 | JAVA0251 Use '%n' for line breaks in printf/format for platform independence | |
| JAVA0252 | 0.00 | JAVA0252 'enum' is a Java 1.5 reserved word | |
| JAVA0253 | 0.00 | JAVA0253 Not all enum constants consumed in switch statement | |
| JAVA0254 | 0.00 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| JAVA0255 | 0.00 | JAVA0255 Result of method invocation not used | |
| JAVA0256 | 0.00 | JAVA0256 Assignment of external collection/array to field | |
| JAVA0257 | 0.00 | JAVA0257 Use of 'Constant Interface' anti-pattern | |
| JAVA0258 | 0.00 | JAVA0258 Implement Iterable for foreach compatibility | |
| JAVA0259 | 0.00 | JAVA0259 Return of collection/array field | |
| JAVA0260 | 0.00 | JAVA0260 Use 'enum' instead of Enumerated Type pattern | |
| JAVA0261 | 0.00 | JAVA0261 Use specialized Enum collection types | |
| JAVA0262 | 0.00 | JAVA0262 Use of char in integer context | |
| JAVA0263 | 0.00 | JAVA0263 Long literal ends with 'l' instead of 'L' | |
| JAVA0264 | 0.00 | JAVA0264 Integer math in long context - check for overflow | |
| JAVA0265 | 0.00 | JAVA0265 Use of Throwable.printStackTrace() | |
| JAVA0266 | 0.00 | JAVA0266 Use of System.out | |
| JAVA0267 | 0.00 | JAVA0267 Use of System.err | |
| JAVA0269 | 0.00 | JAVA0269 Contents of StringBuffer never used | |
| JAVA0270 | 0.00 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| JAVA0271 | 0.00 | JAVA0271 Minimize use of on-demand (.*) static imports | |
| JAVA0272 | 0.00 | JAVA0272 Thread.run() called | |
| JAVA0273 | 0.00 | JAVA0273 Non-final derivative of Thread calls start() in constructor | |
| JAVA0274 | 0.00 | JAVA0274 Serializable class has a synchronized readObject() | |
| JAVA0275 | 0.00 | JAVA0275 Serializable class has a synchronized writeObject() and no other synchronized methods | |
| JAVA0276 | 0.00 | JAVA0276 Unnecessary use of String constructor | |
| JAVA0277 | 0.00 | JAVA0277 Iterator.next() implementation does not throw NoSuchElementException | |
| JAVA0278 | 0.00 | JAVA0278 Unnecessary use of Boolean constructor | |
| JAVA0279 | 0.00 | JAVA0279 Serialization method readObject or readObjectNoData calls an overridable method | |
| JAVA0280 | 0.00 | JAVA0280 IllegalMonitorStateException caught | |
| JAVA0281 | 0.00 | JAVA0281 Iterator.next() not called in loop | |
| JAVA0282 | 0.00 | JAVA0282 Call to Iterator.next() in loop which does not test Iterator.hasNext() | |
| JAVA0283 | 0.00 | JAVA0283 Control variable not updated in loop body | |
| JAVA0284 | 0.00 | JAVA0284 Explicit garbage collection | |
| JAVA0285 | 0.00 | JAVA0285 Dereference of potentially null variable | |
| JAVA0286 | 0.00 | JAVA0286 Dereference of null variable | |
| JAVA0287 | 0.00 | JAVA0287 Unnecessary null check | |
| JAVA0288 | 0.00 | JAVA0288 Inconsistent null check | |
| LINES | 393.00 | Number of lines in the source file | |
| LINE_COMMENT | 5.00 | Number of line comments | |
| LOC | 147.00 | Lines of code | |
| LOGICAL_LINES | 67.00 | Number of statements | |
| LOOPS | 0.00 | Number of loops | |
| NEST_DEPTH | 2.00 | Maximum nesting depth | |
| OPERANDS | 279.00 | Number of operands | |
| OPERATORS | 637.00 | Number of operators | |
| PARAMS | 12.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 916.00 | Halstead program length | |
| PROGRAM_VOCAB | 109.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 39.00 | Number of return points from functions | |
| SIZE | 13943.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 68.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 41.00 | Number of unique operators | |
| WHITESPACE | 77.00 | Number of whitespace lines | |