org.springframework.boot.autoconfigure.hazelcast.HazelcastAutoConfiguration Maven / Gradle / Ivy
/*
* Copyright 2012-2016 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 com.hazelcast.config.Config;
import com.hazelcast.core.Hazelcast;
import com.hazelcast.core.HazelcastInstance;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnSingleCandidate;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Conditional;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.Resource;
/**
* {@link EnableAutoConfiguration Auto-configuration} for Hazelcast. Creates a
* {@link HazelcastInstance} based on explicit configuration or when a default
* configuration file is found in the environment.
*
* @author Stephane Nicoll
* @since 1.3.0
* @see HazelcastConfigResourceCondition
*/
@Configuration
@ConditionalOnClass(HazelcastInstance.class)
@ConditionalOnMissingBean(HazelcastInstance.class)
@EnableConfigurationProperties(HazelcastProperties.class)
public class HazelcastAutoConfiguration {
@Configuration
@ConditionalOnMissingBean(Config.class)
@Conditional(ConfigAvailableCondition.class)
static class HazelcastConfigFileConfiguration {
private final HazelcastProperties hazelcastProperties;
HazelcastConfigFileConfiguration(HazelcastProperties hazelcastProperties) {
this.hazelcastProperties = hazelcastProperties;
}
@Bean
public HazelcastInstance hazelcastInstance() throws IOException {
Resource config = this.hazelcastProperties.resolveConfigLocation();
if (config != null) {
return new HazelcastInstanceFactory(config).getHazelcastInstance();
}
return Hazelcast.newHazelcastInstance();
}
}
@Configuration
@ConditionalOnSingleCandidate(Config.class)
static class HazelcastConfigConfiguration {
@Bean
public HazelcastInstance hazelcastInstance(Config config) {
return new HazelcastInstanceFactory(config).getHazelcastInstance();
}
}
/**
* {@link HazelcastConfigResourceCondition} that checks if the
* {@code spring.hazelcast.config} configuration key is defined.
*/
static class ConfigAvailableCondition extends HazelcastConfigResourceCondition {
ConfigAvailableCondition() {
super("spring.hazelcast", "config");
}
}
}