/*
* 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.
*/
/*
* ConnectionPoolCacheImplJUnitTest.java JUnit based test
*
* Created on March 3, 2005, 5:26 PM
*/
package org.apache.geode.internal.datasource;
import org.apache.geode.cache.Cache;
import org.apache.geode.cache.CacheFactory;
import org.apache.geode.distributed.DistributedSystem;
import org.apache.geode.test.junit.categories.IntegrationTest;
import org.apache.geode.util.test.TestUtil;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import javax.naming.Context;
import javax.sql.PooledConnection;
import java.sql.Connection;
import java.util.ArrayList;
import java.util.List;
import java.util.Properties;
import static org.apache.geode.distributed.ConfigurationProperties.*;
import static org.junit.Assert.fail;
/*
* this is a Multithreaded test for datasource connection pool.
*/
@Category(IntegrationTest.class)
public class ConnectionPoolCacheImplJUnitTest {
protected static ConnectionPoolCacheImpl poolCache = null;
private Thread ThreadA;
protected Thread ThreadB;
// private Thread ThreadC;
protected static int maxPoolSize;
protected static GemFireConnPooledDataSource ds = null;
private static GemFireConnectionPoolManager provider = null;
private static Properties props = null;
private static DistributedSystem ds1 = null;
private static Cache cache = null;
@Before
public void setUp() {
try {
props = new Properties();
props.setProperty(MCAST_PORT, "0");
String path =
TestUtil.getResourcePath(ConnectionPoolCacheImplJUnitTest.class, "/jta/cachejta.xml");
props.setProperty(CACHE_XML_FILE, path);
ds1 = DistributedSystem.connect(props);
cache = CacheFactory.create(ds1);
} catch (Exception e) {
fail("Exception occured in creation of ds and cache due to " + e);
e.printStackTrace();
}
}
@After
public void tearDown() {
ds1.disconnect();
}
@Test
public void testGetSimpleDataSource() throws Exception {
Context ctx = cache.getJNDIContext();
GemFireBasicDataSource ds = (GemFireBasicDataSource) ctx.lookup("java:/SimpleDataSource");
Connection conn = ds.getConnection();
if (conn == null)
fail(
"DataSourceFactoryTest-testGetSimpleDataSource() Error in creating the GemFireBasicDataSource");
}
@Test
public void testConnectionPoolFunctions() {
try {
createPool();
PoolClient_1 clientA = new PoolClient_1();
ThreadA = new Thread(clientA, "ThreadA");
PoolClient_2 clientB = new PoolClient_2();
ThreadB = new Thread(clientB, "ThreadB");
ThreadA.start();
} catch (Exception e) {
fail("Exception occured in testConnectionPoolFunctions due to " + e);
e.printStackTrace();
}
}
public static void createPool() throws Exception {
Context ctx = cache.getJNDIContext();
GemFireConnPooledDataSource ds =
(GemFireConnPooledDataSource) ctx.lookup("java:/PooledDataSource");
provider = (GemFireConnectionPoolManager) ds.getConnectionProvider();
poolCache = (ConnectionPoolCacheImpl) provider.getConnectionPoolCache();
maxPoolSize = poolCache.getMaxLimit();
}
class PoolClient_1 implements Runnable {
List poolConnlist = new ArrayList();
public void run() {
String threadName = Thread.currentThread().getName();
// System.out.println(" Inside Run method of " + threadName);
int numConn = 0;
while (poolConnlist.size() < maxPoolSize) {
try {
// System.out.println(" Getting a connection from " + threadName);
PooledConnection conn = (PooledConnection) poolCache.getPooledConnectionFromPool();
poolConnlist.add(conn);
numConn++;
// System.out.println(" Got connection " + numConn + "from "+
// threadName);
} catch (Exception ex) {
fail("Exception occured in trying to getPooledConnectionfromPool due to " + ex);
ex.printStackTrace();
}
}
if (numConn != maxPoolSize)
fail("#### Error in filling the the connection pool from " + threadName);
ThreadB.start();
// System.out.println(" AFTER starting THREADB");
int numC = 0;
// int display = 0;
long birthTime = 0;
long newTime = 0;
long duration = 0;
for (numC = 0; numC < poolConnlist.size(); numC++) {
try {
birthTime = System.currentTimeMillis();
while (true) {
newTime = System.currentTimeMillis();
duration = newTime - birthTime;
if (duration > 5)
break;
}
// display = numC + 1;
// System.out.println(" Returning connection " + display + "from "+
// threadName);
poolCache.returnPooledConnectionToPool(poolConnlist.get(numC));
// System.out.println(" Returned connection " + display + "from "+
// threadName);
} catch (Exception ex) {
fail("Exception occured in trying to returnPooledConnectiontoPool due to " + ex);
ex.printStackTrace();
}
}
if (numC != maxPoolSize)
fail("#### Error in returning all the connections to the pool from " + threadName);
// System.out.println(" ****************Returned all connections " +
// threadName + "***********");
}
}
class PoolClient_2 implements Runnable {
List poolConnlist = new ArrayList();
public void run() {
String threadName = Thread.currentThread().getName();
// System.out.println(" Inside Run method of " + threadName);
int numConn2 = 0;
// int display = 0;
while (numConn2 < maxPoolSize) {
try {
PooledConnection conn = (PooledConnection) poolCache.getPooledConnectionFromPool();
poolConnlist.add(conn);
numConn2++;
// System.out.println(" ********** Got connection " + numConn2+ "from
// " + threadName);
} catch (Exception ex) {
fail("Exception occured in trying to getPooledConnectionFromPool due to " + ex);
ex.printStackTrace();
}
}
if (numConn2 != maxPoolSize)
fail("#### Error in getting all connections from the " + threadName);
// System.out.println(" ****************GOT ALL connections "+ threadName
// + "***********");
}
}
}