org.springframework.boot.autoconfigure.hazelcast.HazelcastInstanceFactory Maven / Gradle / Ivy
/*
* Copyright 2012-2015 the original author or authors.
*
* 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 org.springframework.boot.autoconfigure.hazelcast;
import java.io.IOException;
import java.net.URL;
import com.hazelcast.config.Config;
import com.hazelcast.config.XmlConfigBuilder;
import com.hazelcast.core.Hazelcast;
import com.hazelcast.core.HazelcastInstance;
import org.springframework.core.io.Resource;
import org.springframework.util.Assert;
import org.springframework.util.ResourceUtils;
import org.springframework.util.StringUtils;
/**
* Factory that can be used to create a {@link HazelcastInstance}.
*
* @author Stephane Nicoll
* @author Phillip Webb
* @since 1.3.0
*/
public class HazelcastInstanceFactory {
private Config config;
/**
* Create a {@link HazelcastInstanceFactory} for the specified configuration location.
* @param configLocation the location of the configuration file
* @throws IOException if the configuration location could not be read
*/
public HazelcastInstanceFactory(Resource configLocation) throws IOException {
Assert.notNull(configLocation, "ConfigLocation must not be null");
this.config = getConfig(configLocation);
}
/**
* Create a {@link HazelcastInstanceFactory} for the specified configuration.
* @param config the configuration
*/
public HazelcastInstanceFactory(Config config) {
Assert.notNull(config, "Config must not be null");
this.config = config;
}
private Config getConfig(Resource configLocation) throws IOException {
URL configUrl = configLocation.getURL();
Config config = new XmlConfigBuilder(configUrl).build();
if (ResourceUtils.isFileURL(configUrl)) {
config.setConfigurationFile(configLocation.getFile());
}
else {
config.setConfigurationUrl(configUrl);
}
return config;
}
/**
* Get the {@link HazelcastInstance}.
* @return the {@link HazelcastInstance}
*/
public HazelcastInstance getHazelcastInstance() {
if (StringUtils.hasText(this.config.getInstanceName())) {
return Hazelcast.getOrCreateHazelcastInstance(this.config);
}
return Hazelcast.newHazelcastInstance(this.config);
}
}