/*
* Copyright (c) 2008-2013, Hazelcast, Inc. All Rights Reserved.
*
* Licensed 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 com.hazelcast.hibernate.instance;
import com.hazelcast.client.HazelcastClient;
import com.hazelcast.client.config.ClientConfig;
import com.hazelcast.client.config.ClientNetworkConfig;
import com.hazelcast.client.config.XmlClientConfigBuilder;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.hibernate.CacheEnvironment;
import com.hazelcast.logging.ILogger;
import com.hazelcast.logging.Logger;
import org.hibernate.cache.CacheException;
import org.hibernate.internal.util.config.ConfigurationHelper;
import java.io.IOException;
import java.util.Properties;
/**
* A factory implementation to build up a {@link com.hazelcast.core.HazelcastInstance}
* implementation using {@link com.hazelcast.client.HazelcastClient}.
*/
class HazelcastClientLoader implements IHazelcastInstanceLoader {
private static final int CONNECTION_ATTEMPT_LIMIT = 10;
private static final ILogger LOGGER = Logger.getLogger(HazelcastInstanceFactory.class);
private final Properties props = new Properties();
private HazelcastInstance client;
public void configure(Properties props) {
this.props.putAll(props);
}
public HazelcastInstance loadInstance() throws CacheException {
if (client != null && client.getLifecycleService().isRunning()) {
LOGGER.warning("Current HazelcastClient is already active! Shutting it down...");
unloadInstance();
}
String address = ConfigurationHelper.getString(CacheEnvironment.NATIVE_CLIENT_ADDRESS, props, null);
String group = ConfigurationHelper.getString(CacheEnvironment.NATIVE_CLIENT_GROUP, props, null);
String pass = ConfigurationHelper.getString(CacheEnvironment.NATIVE_CLIENT_PASSWORD, props, null);
String configResourcePath = CacheEnvironment.getConfigFilePath(props);
ClientConfig clientConfig = buildClientConfig(configResourcePath);
if (group != null) {
clientConfig.getGroupConfig().setName(group);
}
if (pass != null) {
clientConfig.getGroupConfig().setPassword(pass);
}
if (address != null) {
clientConfig.getNetworkConfig().addAddress(address);
}
clientConfig.getNetworkConfig().setSmartRouting(true);
clientConfig.getNetworkConfig().setRedoOperation(true);
client = HazelcastClient.newHazelcastClient(clientConfig);
return client;
}
public void unloadInstance() throws CacheException {
if (client == null) {
return;
}
try {
client.getLifecycleService().shutdown();
client = null;
} catch (Exception e) {
throw new CacheException(e);
}
}
private ClientConfig buildClientConfig(String configResourcePath) {
ClientConfig clientConfig = null;
if (configResourcePath != null) {
try {
clientConfig = new XmlClientConfigBuilder(configResourcePath).build();
} catch (IOException e) {
LOGGER.warning("Could not load client configuration: " + configResourcePath, e);
}
}
if (clientConfig == null) {
clientConfig = new ClientConfig();
final ClientNetworkConfig networkConfig = clientConfig.getNetworkConfig();
networkConfig.setSmartRouting(true);
networkConfig.setRedoOperation(true);
networkConfig.setConnectionAttemptLimit(CONNECTION_ATTEMPT_LIMIT);
}
return clientConfig;
}
}