org.apache.openejb.resource.activemq.ActiveMQ5Factory Maven / Gradle / Ivy
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* 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
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* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
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package org.apache.openejb.resource.activemq;
import org.apache.activemq.broker.BrokerFactory;
import org.apache.activemq.broker.BrokerFactoryHandler;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.store.jdbc.JDBCPersistenceAdapter;
import org.apache.activemq.store.memory.MemoryPersistenceAdapter;
import org.apache.openejb.loader.SystemInstance;
import org.apache.openejb.spi.ContainerSystem;
import org.apache.openejb.util.LogCategory;
import javax.naming.Context;
import javax.naming.NamingException;
import javax.sql.DataSource;
import java.net.URI;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
public class ActiveMQ5Factory implements BrokerFactoryHandler {
private static final ThreadLocal threadProperties = new ThreadLocal();
private static final Map brokers = new HashMap();
private static Throwable throwable = null;
public static void setThreadProperties(Properties value) {
threadProperties.set(value);
}
@Override
public synchronized BrokerService createBroker(final URI brokerURI) throws Exception {
BrokerService broker = brokers.get(brokerURI);
if (null == broker || !broker.isStarted()) {
final URI uri = new URI(brokerURI.getRawSchemeSpecificPart());
broker = BrokerFactory.createBroker(uri);
brokers.put(brokerURI, broker);
if (!uri.getScheme().toLowerCase().startsWith("xbean")) {
Properties properties = getLowerCaseProperties();
Object value = properties.get("datasource");
if (value instanceof String && value.toString().length() == 0) {
value = null;
}
if (value != null) {
DataSource dataSource;
if (value instanceof DataSource) {
dataSource = (DataSource) value;
} else {
String resouceId = (String) value;
try {
ContainerSystem containerSystem = SystemInstance.get().getComponent(ContainerSystem.class);
Context context = containerSystem.getJNDIContext();
Object obj = context.lookup("openejb/Resource/" + resouceId);
if (!(obj instanceof DataSource)) {
throw new IllegalArgumentException("Resource with id " + resouceId
+ " is not a DataSource, but is " + obj.getClass().getName());
}
dataSource = (DataSource) obj;
} catch (NamingException e) {
throw new IllegalArgumentException("Unknown datasource " + resouceId);
}
}
JDBCPersistenceAdapter persistenceAdapter = new JDBCPersistenceAdapter();
if (properties.containsKey("usedatabaselock")) {
//This must be false for hsqldb
persistenceAdapter.setUseDatabaseLock(Boolean.parseBoolean(properties.getProperty("usedatabaselock", "true")));
}
persistenceAdapter.setDataSource(dataSource);
broker.setPersistenceAdapter(persistenceAdapter);
} else {
MemoryPersistenceAdapter persistenceAdapter = new MemoryPersistenceAdapter();
broker.setPersistenceAdapter(persistenceAdapter);
}
try {
//TODO - New in 5.4.x
broker.setSchedulerSupport(false);
} catch (Throwable t) {
//Ignore
}
//Notify when an error occurs on shutdown.
broker.setUseLoggingForShutdownErrors(org.apache.openejb.util.Logger.getInstance(LogCategory.OPENEJB, "org.apache.openejb.util.resources").isErrorEnabled());
}
//We must close the broker
broker.setUseShutdownHook(false);
broker.setSystemExitOnShutdown(false);
if (!broker.isStarted()) {
final BrokerService bs = broker;
final Thread start = new Thread("ActiveMQFactory start and checkpoint") {
@Override
public void run() {
try {
//Start before returning - this is known to be safe.
bs.start();
bs.waitUntilStarted();
//Force a checkpoint to initialize pools
bs.getPersistenceAdapter().checkpoint(true);
} catch (Throwable t) {
throwable = t;
}
}
};
start.setDaemon(true);
start.start();
try {
start.join(5000);
} catch (InterruptedException e) {
//Ignore
}
if (null != throwable) {
org.apache.openejb.util.Logger.getInstance(LogCategory.OPENEJB, "org.apache.openejb.util.resources").error("ActiveMQ failed to start within 5 seconds - It may not be usable", throwable);
}
}
}
return broker;
}
private Properties getLowerCaseProperties() {
final Properties properties = threadProperties.get();
final Properties newProperties = new Properties();
if (properties != null) {
Object key;
for (Map.Entry entry : properties.entrySet()) {
key = entry.getKey();
if (key instanceof String) {
key = ((String) key).toLowerCase();
}
newProperties.put(key, entry.getValue());
}
}
return newProperties;
}
public Collection getBrokers() {
return brokers.values();
}
}