AbstractLuceneIndexer.java
| Index Score | ||
|---|---|---|
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org.apache.slide.index.lucene |
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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 | |
|---|---|---|
| FUNCTIONS | Number of function declarations |  |
| INTERFACE_COMPLEXITY | Interface complexity | |
| RETURNS | Number of return points from functions | |
| PARAMS | Number of formal parameter declarations | |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| UNIQUE_OPERANDS | Number of unique operands | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| BLOCKS | Number of blocks | |
| CYCLOMATIC | Cyclomatic complexity | |
| EXITS | Procedure exits | |
| PROGRAM_LENGTH | Halstead program length | |
| OPERANDS | Number of operands | |
| OPERATORS | Number of operators | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0136 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0160 | JAVA0160 Method does not throw specified exception | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0179 | JAVA0179 Local variable hides visible field | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0254 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| UNIQUE_OPERATORS | Number of unique operators | |
| LOC | Lines of code | |
| EXEC_COMMENTS | Comments in executable code | |
| LOOPS | Number of loops | |
| ELOC | Effective lines of code | |
| DOC_COMMENT | Number of javadoc comment lines | |
/*
*
* ====================================================================
*
* Copyright 2004 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.index.lucene;
import java.io.InputStream;
import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.Set;
import java.util.StringTokenizer;
import javax.transaction.xa.XAException;
import javax.transaction.xa.XAResource;
import javax.transaction.xa.Xid;
import org.apache.commons.transaction.util.LoggerFacade;
import org.apache.commons.transaction.util.xa.AbstractTransactionalResource;
import org.apache.commons.transaction.util.xa.AbstractXAResource;
import org.apache.commons.transaction.util.xa.TransactionalResource;
import org.apache.slide.common.AbstractServiceBase;
import org.apache.slide.common.NamespaceAccessToken;
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.Uri;
import org.apache.slide.content.NodeRevisionDescriptor;
import org.apache.slide.content.NodeRevisionNumber;
import org.apache.slide.search.IndexException;
import org.apache.slide.search.basic.IBasicExpressionFactory;
import org.apache.slide.store.IndexStore;
import org.apache.slide.util.logger.Logger;
import org.apache.slide.util.logger.TxLogger;
/**
* Common base class for lucene bases index stores.
*/
public abstract class AbstractLuceneIndexer extends AbstractServiceBase
implements IndexStore {
private static final String INCLUDE_PARAM = "includes";
private static final String INDEX_PATH_PARAM = "indexpath";
private static final String ASYNC_INDEX_PARAM = "asynchron";
private static final String PRIORITY_PARAM = "priority";
private static final String OPT_THESHOLD_PARAM = "optimization-threshold";
/**
* XAResource implementation to delegate all XAResource requests to.
*/
private XAResourceImpl xaResource = null;
private boolean started = false;
protected Index index = null;
protected IndexConfiguration indexConfiguration = new IndexConfiguration();
private Collection includes;
protected AbstractLuceneIndexer() {
TxLogger txLogger = new TxLogger(getLogger(), LOG_CHANNEL);
this.xaResource = new XAResourceImpl(txLogger);
}
public void initialize(NamespaceAccessToken token)
throws ServiceInitializationFailedException {
debug("initialize");
this.indexConfiguration.setNamespaceName(token.getName());
}
public void setParameters(Hashtable parameters)
throws ServiceParameterErrorException,
ServiceParameterMissingException {
String indexpath = (String) parameters.get(INDEX_PATH_PARAM);
if (indexpath == null || indexpath.length() == 0) {
throw new ServiceParameterMissingException(this, INDEX_PATH_PARAM);
}
this.indexConfiguration.setIndexPath(indexpath);
this.indexConfiguration.setIndexAsynchron("true".equals(parameters
.get(ASYNC_INDEX_PARAM)));
String p = (String) parameters.get(PRIORITY_PARAM);
if (p != null) {
try {
this.indexConfiguration.setPriority(Integer.parseInt(p));
} catch (NumberFormatException e) {
error("Invalid " + PRIORITY_PARAM + " parameter: {0} ({1})", p,
e);
}
}
p = (String) parameters.get(OPT_THESHOLD_PARAM);
if (p != null) {
try {
this.indexConfiguration.setOptimizeThreshold(Integer
.parseInt(p));
} catch (NumberFormatException e) {
error(
"Invalid " + OPT_THESHOLD_PARAM
+ " parameter: {0} ({1})", p, e);
}
}
String includes = (String) parameters.get(INCLUDE_PARAM);
if (includes != null && includes.length() > 0) {
StringTokenizer tokenizer = new StringTokenizer(includes, ",");
this.includes = new ArrayList(tokenizer.countTokens());
while (tokenizer.hasMoreTokens()) {
String token = tokenizer.nextToken();
if (!token.endsWith("/"))
token = token + "/";
this.includes.add(token);
}
}
}
protected boolean isIncluded(String uri) {
if (includes == null) {
return true;
}
Iterator iter = includes.iterator();
while (iter.hasNext()) {
if (uri.startsWith((String) iter.next())) {
return true;
}
}
return false;
}
/**
* Deletes service underlying data source, if possible (and meaningful).
*
* @exception ServiceResetFailedException
* Reset failed
*/
public void reset() throws ServiceResetFailedException {
debug("reset");
// TODO should this empty the index?
}
/**
* Method getFactory
*
* @return an IBasicExpressionFactory
*
*/
public IBasicExpressionFactory getBasicExpressionFactory() {
return new LuceneExpressionFactory(this.index);
}
// -- Service methods ------------------------------------------------------
/**
* Connects to the underlying data source (if any is needed).
*
* @exception ServiceConnectionFailedException
* Connection failed
*/
public void connect() throws ServiceConnectionFailedException {
debug("connect");
this.index.start();
started = true;
}
/**
* This function tells whether or not the service is connected.
*
* @return boolean true if we are connected
* @exception ServiceAccessException
* Service access error
*/
public boolean isConnected() throws ServiceAccessException {
return started;
}
/**
* Disconnects from the underlying data source.
*
* @exception ServiceDisconnectionFailedException
* Disconnection failed
*/
public void disconnect() throws ServiceDisconnectionFailedException {
debug("disconnect");
this.index.stop();
started = false;
}
// -------------------------------------------------------------------------
// XAResource interface, all request are deletgated to this.xaResource
public void commit(Xid xid, boolean onePhase) throws XAException {
this.xaResource.commit(xid, onePhase);
}
public void end(Xid xid, int flags) throws XAException {
this.xaResource.end(xid, flags);
}
public void forget(Xid xid) throws XAException {
this.xaResource.forget(xid);
}
public int getTransactionTimeout() throws XAException {
return this.xaResource.getTransactionTimeout();
}
public boolean isSameRM(XAResource xares) throws XAException {
return this.xaResource != null && this.xaResource.isSameRM(xares); // ??
}
public int prepare(Xid xid) throws XAException {
return this.xaResource.prepare(xid);
}
public Xid[] recover(int flag) throws XAException {
return this.xaResource.recover(flag);
}
public void rollback(Xid xid) throws XAException {
this.xaResource.rollback(xid);
}
public boolean setTransactionTimeout(int sec) throws XAException {
return this.xaResource.setTransactionTimeout(sec);
}
public void start(Xid xid, int flags) throws XAException {
this.xaResource.start(xid, flags);
}
// --------------------------------------------------------------------------
protected TransactionalIndexResource getCurrentTxn() {
return xaResource.getCurrentTxn();
}
protected TransactionalResource createTransactionResource(Xid xid)
throws Exception {
return new TransactionalIndexResource(xid, index);
}
private class XAResourceImpl extends AbstractXAResource {
private LoggerFacade loggerFacade;
XAResourceImpl(LoggerFacade loggerFacade) {
this.loggerFacade = loggerFacade;
}
protected TransactionalResource createTransactionResource(Xid xid)
throws Exception {
return AbstractLuceneIndexer.this.createTransactionResource(xid);
}
TransactionalIndexResource getCurrentTxn() {
return (TransactionalIndexResource) getCurrentlyActiveTransactionalResource();
}
protected LoggerFacade getLoggerFacade() {
return this.loggerFacade;
}
protected boolean includeBranchInXid() {
return true;
}
public boolean isSameRM(XAResource xares) throws XAException {
return xares == this;
}
public Xid[] recover(int flag) throws XAException {
// TODO Auto-generated method stub
return null;
}
public int getTransactionTimeout() throws XAException {
return 0;
}
public boolean setTransactionTimeout(int seconds) throws XAException {
return false;
}
}
/**
* Simple transaction resource that stores index jobs in memory and
* schedules them at the index on commit.
*/
protected static class TransactionalIndexResource extends
AbstractTransactionalResource {
private Index idx;
private Set indexJobs = new HashSet();
private Set removeJobs = new HashSet();
TransactionalIndexResource(Xid xid, Index index) {
super(xid);
this.idx = index;
}
void addIndexJob(Uri uri, NodeRevisionDescriptor descriptor) {
this.indexJobs.add(this.idx.createIndexJob(uri, descriptor));
}
void addIndexJob(Uri uri, NodeRevisionDescriptor descriptor,
InputStream content) {
this.indexJobs.add(this.idx
.createIndexJob(uri, descriptor, content));
}
void addRemoveJob(Uri uri, NodeRevisionNumber version) {
Index.IndexJob job = this.idx.createDeleteJob(uri, version);
this.indexJobs.remove(job);
this.removeJobs.remove(job); // remove before add because
// different jobs for same uri have
// the same key
this.removeJobs.add(job);
}
void addUpdateJob(Uri uri, NodeRevisionDescriptor descriptor) {
Index.IndexJob job = this.idx.createIndexJob(uri, descriptor);
this.removeJobs.remove(job); // remove before add because
// different jobs for same uri have
// the same key
this.removeJobs.add(job);
this.indexJobs.remove(job);
this.indexJobs.add(job);
}
void addUpdateJob(Uri uri, NodeRevisionDescriptor descriptor,
InputStream content) {
Index.IndexJob job = this.idx.createIndexJob(uri, descriptor,
content);
this.removeJobs.remove(job); // remove before add because
// different jobs for same uri have
// the same key
this.removeJobs.add(job);
this.indexJobs.remove(job);
this.indexJobs.add(job);
}
public void begin() throws XAException {
}
public void commit() throws XAException {
try {
this.idx.scheduleIndexTransaction(this.removeJobs,
this.indexJobs);
} catch (IndexException e) {
throw new XAException(e.toString());
}
}
public int prepare() throws XAException {
return 0;
}
public void resume() throws XAException {
}
public void rollback() throws XAException {
}
public void suspend() throws XAException {
}
}
void info(String msg) {
if (this.getLogger().isEnabled(Logger.INFO)) {
this.getLogger().log(msg, LOG_CHANNEL, Logger.INFO);
}
}
void info(String msg, Object o) {
if (this.getLogger().isEnabled(Logger.INFO)) {
Object[] args = { o };
this.getLogger().log(MessageFormat.format(msg, args), LOG_CHANNEL,
Logger.INFO);
}
}
void debug(String msg) {
if (this.getLogger().isEnabled(Logger.DEBUG)) {
this.getLogger().log(msg, LOG_CHANNEL, Logger.DEBUG);
}
}
void debug(String msg, Object o1, Object o2) {
if (this.getLogger().isEnabled(Logger.DEBUG)) {
Object[] args = { o1, o2 };
this.getLogger().log(MessageFormat.format(msg, args), LOG_CHANNEL,
Logger.DEBUG);
}
}
void error(String msg, Object o1) {
if (this.getLogger().isEnabled(Logger.ERROR)) {
Object[] args = { o1 };
this.getLogger().log(MessageFormat.format(msg, args), LOG_CHANNEL,
Logger.ERROR);
}
}
void error(String msg, Object o1, Object o2) {
if (this.getLogger().isEnabled(Logger.ERROR)) {
Object[] args = { o1, o2 };
this.getLogger().log(MessageFormat.format(msg, args), LOG_CHANNEL,
Logger.ERROR);
}
}
}
The table below shows all metrics for AbstractLuceneIndexer.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 68.00 | Number of blocks | |
| BLOCK_COMMENT | 19.00 | Number of block comment lines | |
| COMMENTS | 72.00 | Comment lines | |
| COMMENT_DENSITY | 0.32 | Comment density | |
| COMPARISONS | 20.00 | Number of comparison operators | |
| CYCLOMATIC | 69.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 12.00 | Comments in declarations | |
| DOC_COMMENT | 41.00 | Number of javadoc comment lines | |
| ELOC | 226.00 | Effective lines of code | |
| EXEC_COMMENTS | 5.00 | Comments in executable code | |
| EXITS | 47.00 | Procedure exits | |
| FUNCTIONS | 48.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 61.74 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 110.00 | 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 | 0.00 | JAVA0032 Switch statement missing default | |
| JAVA0033 | 0.00 | JAVA0033 default: not last case in switch statement | |
| JAVA0034 | 1.00 | 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 | 1.00 | 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 | 1.00 | JAVA0114 Incorrect javadoc: no @version tag | |
| JAVA0115 | 0.00 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0116 | 0.00 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0117 | 4.00 | 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 | 1.00 | 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 | 692.00 | 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 | 1.00 | 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 | 1.00 | 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 | 1.00 | 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 | 438.00 | Number of lines in the source file | |
| LINE_COMMENT | 12.00 | Number of line comments | |
| LOC | 294.00 | Lines of code | |
| LOGICAL_LINES | 133.00 | Number of statements | |
| LOOPS | 2.00 | Number of loops | |
| NEST_DEPTH | 3.00 | Maximum nesting depth | |
| OPERANDS | 724.00 | Number of operands | |
| OPERATORS | 1344.00 | Number of operators | |
| PARAMS | 47.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 2068.00 | Halstead program length | |
| PROGRAM_VOCAB | 302.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 63.00 | Number of return points from functions | |
| SIZE | 12547.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 258.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 44.00 | Number of unique operators | |
| WHITESPACE | 72.00 | Number of whitespace lines | |