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* 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.openjpa.persistence.event;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import javax.persistence.EntityManager;
import org.apache.openjpa.persistence.event.common.apps.Duration;
import org.apache.openjpa.persistence.event.common.apps.RuntimeTest1;
import org.apache.openjpa.persistence.common.utils.AbstractTestCase;
import org.apache.openjpa.event.RemoteCommitEvent;
import org.apache.openjpa.event.RemoteCommitListener;
import org.apache.openjpa.event.TCPRemoteCommitProvider;
import org.apache.openjpa.lib.conf.Configurations;
import org.apache.openjpa.persistence.OpenJPAEntityManager;
import org.apache.openjpa.persistence.OpenJPAEntityManagerFactory;
import org.apache.openjpa.persistence.OpenJPAEntityManagerFactorySPI;
public class TestTCPRemoteClassChanges
extends AbstractTestCase {
public TestTCPRemoteClassChanges(String s) {
super(s, "eventcactusapp");
}
public void setUp() {
deleteAll(RuntimeTest1.class);
}
public void tearDownTestClass()
throws Exception {
//super.tearDownTestClass();
}
private static final int NUM_OBJECTS = 4;
private void pause(double seconds) {
try {
Thread.currentThread().yield();
Thread.currentThread().sleep((int) seconds * 1000);
} catch (Exception e) {
}
}
public void testAddedClasses() {
// Create two pmfs in a cluster that are using RCPTCP.
OpenJPAEntityManagerFactory pmfSender = createDistinctFactory(
TCPRemoteCommitProvider.class,
"Port=5636, Addresses=127.0.0.1:5636;127.0.0.1:6636");
OpenJPAEntityManagerFactory pmfReceiver = createDistinctFactory(
TCPRemoteCommitProvider.class,
"Port=6636, Addresses=127.0.0.1:6636;127.0.0.1:5636");
// Register a RCEListener with the RCEM. Our RCEListener will
// record the total number of a,d, and u recevied from each
// RCE as the sending PM performs commits.
RemoteCommitListenerTestImpl listenerAtReceiver
= new RemoteCommitListenerTestImpl();
((OpenJPAEntityManagerFactorySPI) pmfReceiver).getConfiguration()
.getRemoteCommitEventManager().
addListener(listenerAtReceiver);
OpenJPAEntityManager pmSender = (OpenJPAEntityManager)
pmfSender.createEntityManager();
System.out.println("-------------------");
System.out.println(
"2 PMFs created, acting as a cluster using ports 5636 and 6636");
System.out.println(
"Testing scenario:");
System.out.println(
" - tx of inserts (normal trans)\n" +
" - tx of inserts (large trans)\n" +
" - tx of inserts,updates, dels (large trans)");
System.out.println(
"Remote commit event will transmit classes.");
// Perform transaction that adds objects.
// Noraml transaction
performAdds(pmSender, NUM_OBJECTS);
// Wait for a bit so the receiver can get the event.
pause(1);
assertEquals(NUM_OBJECTS, listenerAtReceiver.totalAddedClasses);
// largeTransaction
//pmSender.setLargeTransaction(true);
pmSender.setTrackChangesByType(true);
performAdds(pmSender, NUM_OBJECTS);
pause(1);
assertEquals(2 * NUM_OBJECTS, listenerAtReceiver.totalAddedClasses);
assertEquals(0, listenerAtReceiver.totalUpdatedClasses);
assertEquals(0, listenerAtReceiver.totalDeletedClasses);
assertEquals(NUM_OBJECTS, listenerAtReceiver.receivedExtentEvCount);
// Still in large trans mode, perform updates and deletes of
// check that class names are communicated
//pmSender.setLargeTransaction(true);
pmSender.setTrackChangesByType(true);
performAddsModifiesDeletes(pmSender, NUM_OBJECTS);
pause(1);
assertEquals(3 * NUM_OBJECTS, listenerAtReceiver.totalAddedClasses);
assertEquals(NUM_OBJECTS, listenerAtReceiver.totalUpdatedClasses);
// all deletes then a commit
assertEquals(NUM_OBJECTS, listenerAtReceiver.totalDeletedClasses);
assertEquals(4 * NUM_OBJECTS,
listenerAtReceiver.receivedExtentEvCount);
assertEquals(0, listenerAtReceiver.totalOidUpdated);
assertEquals(0, listenerAtReceiver.totalOidDeleted);
assertEquals(0, listenerAtReceiver.totalOidAdded);
// shutdown
pmSender.close();
pmfSender.close();
pmfReceiver.close();
}
protected double performAdds(EntityManager pm,
int numObjects) {
// Perform a transaction that will trigger adds
Duration timeToAMD = new Duration(
"Adds, " + numObjects + " objects.");
timeToAMD.start();
// create objects
RuntimeTest1[] persistables = new RuntimeTest1[numObjects];
for (int i = 0; i < persistables.length; i++) {
persistables[i] = new RuntimeTest1("foo #" + i, i);
}
// add them, a commit per object
for (int i = 0; i < persistables.length; i++) {
startTx(pm);
pm.persist(persistables[i]);
endTx(pm);
}
timeToAMD.stop();
return timeToAMD.getDurationAsSeconds();
}
protected void performAddsModifiesDeletes(EntityManager pm,
int numObjects) {
// Perform a series of transactions that will trigger adds,
// deletes, and udpates
// create objects
RuntimeTest1[] persistables = new RuntimeTest1[numObjects];
for (int i = 0; i < persistables.length; i++) {
persistables[i] = new RuntimeTest1("foo #" + i, i);
}
// add them
for (int i = 0; i < persistables.length; i++) {
startTx(pm);
pm.persist(persistables[i]);
endTx(pm);
}
// modify them
for (int i = 0; i < persistables.length; i++) {
startTx(pm);
persistables[i].setStringField("bazzed" + i);
endTx(pm);
}
// delete them
for (int i = 0; i < persistables.length; i++) {
startTx(pm);
pm.remove(persistables[i]);
endTx(pm);
}
}
static int _fetchGroupSerial = 0;
protected OpenJPAEntityManagerFactory createDistinctFactory(
Class providerClass, String classProps1) {
Map propsMap;
if (providerClass != null) {
propsMap = new HashMap();
propsMap.put("openjpa.RemoteCommitProvider", Configurations.
getPlugin(providerClass.getName(), classProps1));
propsMap.put("openjpa.FetchGroups", "differentiatingFetchGroup" +
_fetchGroupSerial);
} else {
// No RCP
propsMap = new HashMap();
propsMap.put("openjpa.RemoteCommitProvider", "sjvm");
propsMap.put("openjpa.FetchGroups", "differentiatingFetchGroup" +
_fetchGroupSerial);
}
_fetchGroupSerial += 1;
return (OpenJPAEntityManagerFactory) getEmf(propsMap);
}
protected static class RemoteCommitListenerTestImpl
implements RemoteCommitListener {
Collection updated;
Collection deleted;
int totalAddedClasses = 0;
int totalUpdatedClasses = 0;
int totalDeletedClasses = 0;
int totalOidAdded = 0;
int totalOidUpdated = 0;
int totalOidDeleted = 0;
int receivedExtentEvCount = 0;
public synchronized void afterCommit(RemoteCommitEvent event) {
totalAddedClasses += event.getPersistedTypeNames().size();
if (event.getPayloadType() == RemoteCommitEvent.PAYLOAD_EXTENTS) {
receivedExtentEvCount += 1;
totalUpdatedClasses += event.getUpdatedTypeNames().size();
totalDeletedClasses += event.getDeletedTypeNames().size();
} else {
if (event.getPayloadType() ==
RemoteCommitEvent.PAYLOAD_OIDS_WITH_ADDS)
totalOidAdded = event.getPersistedObjectIds().size();
this.updated = event.getUpdatedObjectIds();
this.deleted = event.getDeletedObjectIds();
totalOidUpdated += updated.size();
totalOidDeleted += deleted.size();
}
}
public void resetCounts() {
totalAddedClasses = 0;
totalUpdatedClasses = 0;
totalDeletedClasses = 0;
totalOidAdded = 0;
totalOidUpdated = 0;
totalOidDeleted = 0;
}
public void close() {
}
public String toString() {
String returnString = "Clsses add=" + totalAddedClasses + " dels=" +
totalDeletedClasses + " ups=" + totalUpdatedClasses;
returnString = returnString + "Oids add=" + totalAddedClasses +
" dels=" + totalDeletedClasses + " ups=" + totalUpdatedClasses;
return returnString;
}
}
}