[JBoss Cache Users] - Re: Null element in the Vector
by roman.mandeleil＠gmail.com
Here is the output of simple concurrency test
Thread: [44] pushing
| Thread: [45] poping
| Thread: [45]
| [null],
| Thread: [45] poping
| Thread: [44]
| [23],
| Thread: [44] pushing
| Thread: [44]
| [23], [23],
| Thread: [45]
| [null],
| Thread: [44] pushing
| Thread: [44]
| [23], [23], [23],
| Thread: [44] pushing
| Thread: [44]
| [23], [23], [23], [23],
| Thread: [44] pushing
| Thread: [44]
| [23], [23], [23], [23], [23],
| Thread: [44] pushing
| Thread: [44]
| [23], [23], [23], [23], [23], [23],
| Thread: [45] poping
| Thread: [44] pushing
| Thread: [45]
| [23], [23], [23], [23], [null],
| Thread: [45] poping
| Thread: [45]
| [23], [23], [23], [null], [null], [23],
| Thread: [45] poping
| Thread: [44]
| [null], [null], [null], [null], [null], [23], [23],
| Thread: [44] pushing
| Thread: [45]
| [23], [23], [null], [null], [23], [null],
| Thread: [45] poping
| Thread: [45]
| [23], [null], [null], [23], [null], [null], [23],
Here is the code of the test:
|
|
|
| package org.galtstreet.cache.test;
|
| import java.util.Properties;
|
| import javax.naming.Context;
| import javax.naming.InitialContext;
| import javax.naming.NamingException;
| import javax.resource.NotSupportedException;
| import javax.transaction.SystemException;
| import javax.transaction.UserTransaction;
|
| import junit.framework.TestCase;
|
| import org.galtstreet.exchangeboard.trying.WrappedQueue;
| import org.jboss.cache.config.Configuration.CacheMode;
| import org.jboss.cache.factories.UnitTestConfigurationFactory;
| import org.jboss.cache.lock.IsolationLevel;
| import org.jboss.cache.pojo.PojoCache;
| import org.jboss.cache.pojo.PojoCacheFactory;
|
|
| public class SimpleConcurrencyTest extends TestCase{
|
|
|
| PojoCache cache1;
|
| protected void setUp() throws Exception {
|
| Properties prop = new Properties();
| prop.put(Context.INITIAL_CONTEXT_FACTORY, "org.jboss.cache.transaction.DummyContextFactory");
| boolean toStart = false;
|
|
|
| cache1 = PojoCacheFactory.createCache(UnitTestConfigurationFactory.createConfiguration(CacheMode.REPL_SYNC), toStart);
| cache1.getCache().getConfiguration().setSyncCommitPhase(true);
|
| cache1.getCache().getConfiguration().setLockParentForChildInsertRemove(true);
| cache1.getCache().getConfiguration().setIsolationLevel(IsolationLevel.SERIALIZABLE);
| cache1.start();
| }
|
|
| UserTransaction getTransaction() throws SystemException, NotSupportedException, NamingException
| {
| Properties prop = new Properties();
| prop.put(Context.INITIAL_CONTEXT_FACTORY,
| "org.jboss.cache.transaction.DummyContextFactory");
| return (UserTransaction) new InitialContext(prop).lookup("UserTransaction");
| }
|
|
| public void testWrappedQueue(){
|
| WrappedQueue queue = new WrappedQueue();
|
| cache1.attach("queue-1", queue);
|
|
| ProducerThread pt = new ProducerThread(queue);
| pt.start();
|
|
| ConsumerThread ct = new ConsumerThread(queue);
| ct.start();
|
| sleeping(120000);
|
| }
|
|
|
| class ConsumerThread extends Thread{
|
| WrappedQueue queue = null;
|
| public ConsumerThread(WrappedQueue queue) {
| this.queue = queue;
| }
|
| @Override
| public void run() {
|
| while (true){
|
| UserTransaction ut = null;
|
| try {
| ut = getTransaction();
| ut.begin();
| }catch (Throwable th){
| th.printStackTrace();
| }
|
| System.out.println("Thread: [" + this.getId() + "] poping ");
| queue.popInteger();
|
| System.out.println("Thread: [" + this.getId() + "] \n" + queue.toString() );
| sleeping(500);
|
|
| try {
| ut.commit();
| }catch (Throwable th){
| th.printStackTrace();
| }
| }
| }
| }
|
| class ProducerThread extends Thread{
|
| WrappedQueue queue = null;
|
| public ProducerThread(WrappedQueue queue) {
| this.queue = queue;
| }
|
| @Override
| public void run() {
|
| while (true){
|
| UserTransaction ut = null;
|
| try {
| ut = getTransaction();
| ut.begin();
| }catch (Throwable th){
| th.printStackTrace();
| }
|
| System.out.println("Thread: [" + this.getId() + "] pushing ");
| queue.pushInteger(23);
| System.out.println("Thread: [" + this.getId() + "] \n" + queue.toString() );
| sleeping(100);
|
|
| try {
| ut.commit();
| }catch (Throwable th){
| th.printStackTrace();
| }
|
| }
| }
| }
|
|
| private void sleeping(int millisec){
| try {
| Thread.sleep(millisec);
| } catch (InterruptedException e) {
| // TODO Auto-generated catch block
| e.printStackTrace();
| }
| }
|
|
| protected void tearDown() throws Exception {
| cache1.stop();
| cache2.stop();
|
| }
|
|
|
| }
|
|
|
|
|
| package org.galtstreet.exchangeboard.trying;
|
| import java.util.ArrayList;
|
| import org.jboss.cache.pojo.annotation.Replicable;
|
|
| @Replicable
| public class WrappedQueue {
|
|
|
| private ArrayList<Integer> queueData = new ArrayList<Integer>();
|
|
| public void pushInteger(Integer tmp){
| queueData.add(queueData.size(), tmp);
| }
|
| public Integer popInteger(){
| return queueData.remove(0);
| }
|
| public boolean isEmpty(){
| return queueData.isEmpty();
| }
|
| public String toString(){
| return queueData.toString();
| }
| }
|
|
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14 years, 11 months