StandardJMeterEngine.java
| Index Score | ||
|---|---|---|
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org.apache.jmeter.engine |
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JMeter |
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 | |
|---|---|---|
| EXITS | Procedure exits |  |
| BLOCKS | Number of blocks | |
| JAVA0254 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| JAVA0143 | JAVA0143 Synchronized method | |
| JAVA0284 | JAVA0284 Explicit garbage collection | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| CYCLOMATIC | Cyclomatic complexity | |
| LOGICAL_LINES | Number of statements | |
| UNIQUE_OPERANDS | Number of unique operands | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| OPERATORS | Number of operators | |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| PROGRAM_LENGTH | Halstead program length | |
| ELOC | Effective lines of code | |
| LOOPS | Number of loops | |
| LOC | Lines of code | |
| JAVA0166 | JAVA0166 Generic exception caught | |
| SIZE | Size of the file in bytes | |
| JAVA0087 | JAVA0087 Use of Thread.sleep() | |
| OPERANDS | Number of operands | |
| FUNCTIONS | Number of function declarations | |
| JAVA0130 | JAVA0130 Non-static method does not use instance fields | |
| JAVA0264 | JAVA0264 Integer math in long context - check for overflow | |
| LINE_COMMENT | Number of line comments | |
| UNIQUE_OPERATORS | Number of unique operators | |
| JAVA0076 | JAVA0076 Use of magic number | |
| JAVA0267 | JAVA0267 Use of System.err | |
| LINES | Number of lines in the source file | |
| JAVA0128 | JAVA0128 Public constructor in non-public class | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0136 | JAVA0136 N methods defined in class (maximum: M) | |
| RETURNS | Number of return points from functions | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| EXEC_COMMENTS | Comments in executable code | |
| JAVA0265 | JAVA0265 Use of Throwable.printStackTrace() | |
| JAVA0100 | JAVA0100 Class contains N non-final fields (maximum: M) | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| DOC_COMMENT | Number of javadoc comment lines | |
| COMMENTS | Comment lines | |
| NEST_DEPTH | Maximum nesting depth | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.jmeter.engine;
import java.io.PrintWriter;
import java.io.Serializable;
import java.io.StringWriter;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import org.apache.jmeter.testbeans.TestBean;
import org.apache.jmeter.testbeans.TestBeanHelper;
import org.apache.jmeter.testelement.TestElement;
import org.apache.jmeter.testelement.TestListener;
import org.apache.jmeter.testelement.TestPlan;
import org.apache.jmeter.threads.JMeterContextService;
import org.apache.jmeter.threads.JMeterThread;
import org.apache.jmeter.threads.JMeterThreadMonitor;
import org.apache.jmeter.threads.ListenerNotifier;
import org.apache.jmeter.threads.TestCompiler;
import org.apache.jmeter.threads.ThreadGroup;
import org.apache.jmeter.util.JMeterUtils;
import org.apache.jorphan.collections.HashTree;
import org.apache.jorphan.collections.ListedHashTree;
import org.apache.jorphan.collections.SearchByClass;
import org.apache.jorphan.logging.LoggingManager;
import org.apache.log.Logger;
/**
*/
public class StandardJMeterEngine implements JMeterEngine, JMeterThreadMonitor, Runnable, Serializable {
private static final Logger log = LoggingManager.getLoggerForClass();
private static final long serialVersionUID = 231L; // Remember to change this when the class changes ...
private transient Thread runningThread;
private static final long WAIT_TO_DIE = 5 * 1000; // 5 seconds
private transient Map allThreads;
private volatile boolean startingGroups; // flag to show that groups are still being created
private boolean running = false;
private boolean serialized = false;
private volatile boolean schcdule_run = false;
private HashTree test;
private transient SearchByClass testListeners;
private String host = null;
private transient ListenerNotifier notifier;
// Should we exit at end of the test? (only applies to server, because host is non-null)
private static final boolean exitAfterTest =
JMeterUtils.getPropDefault("server.exitaftertest", false); // $NON-NLS-1$
private static final boolean startListenersLater =
JMeterUtils.getPropDefault("jmeterengine.startlistenerslater", true); // $NON-NLS-1$
static {
if (startListenersLater){
log.info("Listeners will be started after enabling running version");
log.info("To revert to the earlier behaviour, define jmeterengine.startlistenerslater=false");
}
}
// Allow engine and threads to be stopped from outside a thread
// e.g. from beanshell server
// Assumes that there is only one instance of the engine
// at any one time so it is not guaranteed to work ...
private static transient Map allThreadNames;
private static StandardJMeterEngine engine;
private static Map allThreadsSave;
public static void stopEngineNow() {
if (engine != null) {// May be null if called from Unit test
engine.stopTest(true);
}
}
public static void stopEngine() {
if (engine != null) { // May be null if called from Unit test
engine.stopTest(false);
}
}
/*
* Allow functions etc to register for testStopped notification
*/
private static final List testList = new ArrayList();
public static synchronized void register(TestListener tl) {
testList.add(tl);
}
public static boolean stopThread(String threadName) {
return stopThread(threadName, false);
}
public static boolean stopThreadNow(String threadName) {
return stopThread(threadName, true);
}
private static boolean stopThread(String threadName, boolean now) {
if (allThreadNames == null) {
return false;// e.g. not yet started
}
JMeterThread thrd;
try {
thrd = (JMeterThread) allThreadNames.get(threadName);
} catch (Exception e) {
log.warn("stopThread: " + e);
return false;
}
if (thrd != null) {
thrd.stop();
if (now) {
Thread t = (Thread) allThreadsSave.get(thrd);
if (t != null) {
t.interrupt();
}
}
return true;
}
return false;
}
// End of code to allow engine to be controlled remotely
public StandardJMeterEngine() {
allThreads = new HashMap();
engine = this;
allThreadNames = new HashMap();
allThreadsSave = allThreads;
}
public StandardJMeterEngine(String host) {
this();
this.host = host;
}
public void configure(HashTree testTree) {
test = testTree;
}
public void setHost(String host) {
this.host = host;
}
protected HashTree getTestTree() {
return test;
}
protected void compileTree() {
PreCompiler compiler = new PreCompiler();
getTestTree().traverse(compiler);
}
// TODO: in Java1.5, perhaps we can use Thread.setUncaughtExceptionHandler() instead
private static class MyThreadGroup extends java.lang.ThreadGroup{
public MyThreadGroup(String s) {
super(s);
}
public void uncaughtException(Thread t, Throwable e) {
if (!(e instanceof ThreadDeath)) {
log.error("Uncaught exception: ", e);
System.err.println("Uncaught Exception " + e + ". See log file for details.");
}
}
}
public void runTest() throws JMeterEngineException {
try {
runningThread = new Thread(new MyThreadGroup("JMeterThreadGroup"),this);
runningThread.start();
} catch (Exception err) {
stopTest();
StringWriter string = new StringWriter();
PrintWriter writer = new PrintWriter(string);
err.printStackTrace(writer);
throw new JMeterEngineException(string.toString());
}
}
private void removeThreadGroups(List elements) {
Iterator iter = elements.iterator();
while (iter.hasNext()) {
Object item = iter.next();
if (item instanceof ThreadGroup) {
iter.remove();
} else if (!(item instanceof TestElement)) {
iter.remove();
}
}
}
protected void notifyTestListenersOfStart() {
Iterator iter = testListeners.getSearchResults().iterator();
while (iter.hasNext()) {
TestListener tl = (TestListener) iter.next();
if (tl instanceof TestBean) {
TestBeanHelper.prepare((TestElement) tl);
}
if (host == null) {
tl.testStarted();
} else {
tl.testStarted(host);
}
}
}
protected void notifyTestListenersOfEnd() {
log.info("Notifying test listeners of end of test");
Iterator iter = testListeners.getSearchResults().iterator();
while (iter.hasNext()) {
TestListener tl = (TestListener) iter.next();
if (tl instanceof TestBean) {
TestBeanHelper.prepare((TestElement) tl); // TODO is this necessary? It was called by start.
}
if (host == null) {
tl.testEnded();
} else {
tl.testEnded(host);
}
}
log.info("Test has ended");
if (host != null) {
long now=System.currentTimeMillis();
System.out.println("Finished the test on host " + host + " @ "+new Date(now)+" ("+now+")");
if (exitAfterTest){
exit();
}
}
}
private ListedHashTree cloneTree(ListedHashTree tree) {
TreeCloner cloner = new TreeCloner(true);
tree.traverse(cloner);
return cloner.getClonedTree();
}
public void reset() {
if (running) {
stopTest();
}
}
public synchronized void threadFinished(JMeterThread thread) {
try {
allThreads.remove(thread);
log.info("Ending thread " + thread.getThreadName());
if (!serialized && !schcdule_run && !startingGroups && allThreads.size() == 0 ) {
log.info("Stopping test");
stopTest();
}
} catch (Throwable e) {
log.fatalError("Call to threadFinished should never throw an exception - this can deadlock JMeter",e);
}
}
public synchronized void stopTest() {
Thread stopThread = new Thread(new StopTest());
stopThread.start();
}
public synchronized void stopTest(boolean b) {
Thread stopThread = new Thread(new StopTest(b));
stopThread.start();
}
private class StopTest implements Runnable {
boolean now;
private StopTest() {
now = true;
}
private StopTest(boolean b) {
now = b;
}
public void run() {
if (running) {
running = false;
if (now) {
tellThreadsToStop();
} else {
stopAllThreads();
}
try {
Thread.sleep(10 * allThreads.size());
} catch (InterruptedException e) {
}
boolean stopped = verifyThreadsStopped();
if (stopped || now) {
notifyTestListenersOfEnd();
}
}
}
}
public void run() {
log.info("Running the test!");
running = true;
SearchByClass testPlan = new SearchByClass(TestPlan.class);
getTestTree().traverse(testPlan);
Object[] plan = testPlan.getSearchResults().toArray();
if (plan.length == 0) {
System.err.println("Could not find the TestPlan!");
log.error("Could not find the TestPlan!");
System.exit(1);
}
if (((TestPlan) plan[0]).isSerialized()) {
serialized = true;
}
JMeterContextService.startTest();
try {
compileTree();
} catch (RuntimeException e) {
log.error("Error occurred compiling the tree:",e);
JMeterUtils.reportErrorToUser("Error occurred compiling the tree: - see log file");
return; // no point continuing
}
/**
* Notification of test listeners needs to happen after function
* replacement, but before setting RunningVersion to true.
*/
testListeners = new SearchByClass(TestListener.class);
getTestTree().traverse(testListeners);
// Merge in any additional test listeners
// currently only used by the function parser
testListeners.getSearchResults().addAll(testList);
testList.clear(); // no longer needed
if (!startListenersLater ) { notifyTestListenersOfStart(); }
getTestTree().traverse(new TurnElementsOn());
if (startListenersLater) { notifyTestListenersOfStart(); }
List testLevelElements = new LinkedList(getTestTree().list(getTestTree().getArray()[0]));
removeThreadGroups(testLevelElements);
SearchByClass searcher = new SearchByClass(ThreadGroup.class);
getTestTree().traverse(searcher);
TestCompiler.initialize();
// for each thread group, generate threads
// hand each thread the sampler controller
// and the listeners, and the timer
Iterator iter = searcher.getSearchResults().iterator();
/*
* Here's where the test really starts. Run a Full GC now: it's no harm
* at all (just delays test start by a tiny amount) and hitting one too
* early in the test can impair results for short tests.
*/
System.gc();
notifier = new ListenerNotifier();
schcdule_run = true;
JMeterContextService.getContext().setSamplingStarted(true);
int groupCount = 0;
JMeterContextService.clearTotalThreads();
startingGroups = true;
while (iter.hasNext()) {
groupCount++;
ThreadGroup group = (ThreadGroup) iter.next();
int numThreads = group.getNumThreads();
JMeterContextService.addTotalThreads(numThreads);
boolean onErrorStopTest = group.getOnErrorStopTest();
boolean onErrorStopThread = group.getOnErrorStopThread();
String groupName = group.getName();
int rampUp = group.getRampUp();
float perThreadDelay = ((float) (rampUp * 1000) / (float) numThreads);
log.info("Starting " + numThreads + " threads for group " + groupName + ". Ramp up = " + rampUp + ".");
if (onErrorStopTest) {
log.info("Test will stop on error");
} else if (onErrorStopThread) {
log.info("Thread will stop on error");
} else {
log.info("Continue on error");
}
ListedHashTree threadGroupTree = (ListedHashTree) searcher.getSubTree(group);
threadGroupTree.add(group, testLevelElements);
for (int i = 0; running && i < numThreads; i++) {
final JMeterThread jmeterThread = new JMeterThread(cloneTree(threadGroupTree), this, notifier);
jmeterThread.setThreadNum(i);
jmeterThread.setThreadGroup(group);
jmeterThread.setInitialContext(JMeterContextService.getContext());
jmeterThread.setInitialDelay((int) (perThreadDelay * i));
jmeterThread.setThreadName(groupName + " " + (groupCount) + "-" + (i + 1));
scheduleThread(jmeterThread, group);
// Set up variables for stop handling
jmeterThread.setEngine(this);
jmeterThread.setOnErrorStopTest(onErrorStopTest);
jmeterThread.setOnErrorStopThread(onErrorStopThread);
Thread newThread = new Thread(jmeterThread);
newThread.setName(jmeterThread.getThreadName());
allThreads.put(jmeterThread, newThread);
if (serialized && !iter.hasNext() && i == numThreads - 1) // last thread
{
serialized = false;
}
newThread.start();
}
schcdule_run = false;
if (serialized) {
while (running && allThreads.size() > 0) {
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
}
}
}
}
startingGroups = false;
}
/**
* This will schedule the time for the JMeterThread.
*
* @param thread
* @param group
*/
private void scheduleThread(JMeterThread thread, ThreadGroup group) {
// if true the Scheduler is enabled
if (group.getScheduler()) {
long now = System.currentTimeMillis();
// set the start time for the Thread
if (group.getDelay() > 0) {// Duration is in seconds
thread.setStartTime(group.getDelay() * 1000 + now);
} else {
long start = group.getStartTime();
if (start < now) {
start = now; // Force a sensible start time
}
thread.setStartTime(start);
}
// set the endtime for the Thread
if (group.getDuration() > 0) {// Duration is in seconds
thread.setEndTime(group.getDuration() * 1000 + (thread.getStartTime()));
} else {
thread.setEndTime(group.getEndTime());
}
// Enables the scheduler
thread.setScheduled(true);
}
}
private boolean verifyThreadsStopped() {
boolean stoppedAll = true;
Iterator iter = new HashSet(allThreads.keySet()).iterator();
while (iter.hasNext()) {
Thread t = (Thread) allThreads.get(iter.next());
if (t != null && t.isAlive()) {
try {
t.join(WAIT_TO_DIE);
} catch (InterruptedException e) {
}
if (t.isAlive()) {
stoppedAll = false;
log.info("Thread won't die: " + t.getName());
}
}
}
return stoppedAll;
}
private void tellThreadsToStop() {
Iterator iter = new HashSet(allThreads.keySet()).iterator();
while (iter.hasNext()) {
JMeterThread item = (JMeterThread) iter.next();
item.stop();
Thread t = (Thread) allThreads.get(item);
if (t != null) {
t.interrupt();
} else {
log.warn("Lost thread: " + item.getThreadName());
allThreads.remove(item);
}
}
}
public void askThreadsToStop() {
engine.stopTest(false);
}
private void stopAllThreads() {
Iterator iter = new HashSet(allThreads.keySet()).iterator();
while (iter.hasNext()) {
JMeterThread item = (JMeterThread) iter.next();
item.stop();
}
}
// Remote exit
public void exit() {
// Needs to be run in a separate thread to allow RMI call to return OK
Thread t = new Thread() {
public void run() {
// log.info("Pausing");
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
}
log.info("Bye");
System.exit(0);
}
};
log.info("Starting Closedown");
t.start();
}
public void setProperties(Properties p) {
log.info("Applying properties "+p);
JMeterUtils.getJMeterProperties().putAll(p);
}
}
The table below shows all metrics for StandardJMeterEngine.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 104.00 | Number of blocks | |
| BLOCK_COMMENT | 25.00 | Number of block comment lines | |
| COMMENTS | 57.00 | Comment lines | |
| COMMENT_DENSITY | 0.17 | Comment density | |
| COMPARISONS | 37.00 | Number of comparison operators | |
| CYCLOMATIC | 94.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 9.00 | Comments in declarations | |
| DOC_COMMENT | 12.00 | Number of javadoc comment lines | |
| ELOC | 337.00 | Effective lines of code | |
| EXEC_COMMENTS | 11.00 | Comments in executable code | |
| EXITS | 95.00 | Procedure exits | |
| FUNCTIONS | 35.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 77.93 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 58.00 | 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 | 1.00 | 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 | 0.00 | 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 | 0.00 | 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 | 5.00 | 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 | 3.00 | 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 | 1.00 | 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 | 14.00 | 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 | 1.00 | JAVA0128 Public constructor in non-public class | |
| JAVA0130 | 3.00 | 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 | 4.00 | JAVA0143 Synchronized method | |
| JAVA0144 | 0.00 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0145 | 0.00 | 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 | 4.00 | JAVA0166 Generic exception caught | |
| JAVA0167 | 0.00 | JAVA0167 ThreadDeath not rethrown | |
| JAVA0169 | 0.00 | JAVA0169 Unnecessary catch block: exception 'exception' | |
| JAVA0170 | 1.00 | 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 | 1.00 | 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 | 5.00 | 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 | 2.00 | JAVA0264 Integer math in long context - check for overflow | |
| JAVA0265 | 1.00 | JAVA0265 Use of Throwable.printStackTrace() | |
| JAVA0266 | 1.00 | JAVA0266 Use of System.out | |
| JAVA0267 | 2.00 | 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 | 1.00 | 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 | 555.00 | Number of lines in the source file | |
| LINE_COMMENT | 20.00 | Number of line comments | |
| LOC | 426.00 | Lines of code | |
| LOGICAL_LINES | 231.00 | Number of statements | |
| LOOPS | 9.00 | Number of loops | |
| NEST_DEPTH | 5.00 | Maximum nesting depth | |
| OPERANDS | 899.00 | Number of operands | |
| OPERATORS | 1874.00 | Number of operators | |
| PARAMS | 19.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 2773.00 | Halstead program length | |
| PROGRAM_VOCAB | 379.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 39.00 | Number of return points from functions | |
| SIZE | 19057.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 323.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 56.00 | Number of unique operators | |
| WHITESPACE | 72.00 | Number of whitespace lines | |