org.springframework.boot.autoconfigure.cache.HazelcastInstanceConfiguration 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.cache;
import java.io.Closeable;
import java.io.IOException;
import com.hazelcast.core.Hazelcast;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.spring.cache.HazelcastCacheManager;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnSingleCandidate;
import org.springframework.boot.autoconfigure.hazelcast.HazelcastConfigResourceCondition;
import org.springframework.boot.autoconfigure.hazelcast.HazelcastInstanceFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Conditional;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.Resource;
/**
* Actual {@link HazelcastInstance} configurations imported by
* {@link HazelcastCacheConfiguration}.
*
* @author Stephane Nicoll
*/
abstract class HazelcastInstanceConfiguration {
@Configuration
@ConditionalOnSingleCandidate(HazelcastInstance.class)
static class Existing {
private final CacheProperties cacheProperties;
private final CacheManagerCustomizers customizers;
Existing(CacheProperties cacheProperties, CacheManagerCustomizers customizers) {
this.cacheProperties = cacheProperties;
this.customizers = customizers;
}
@Bean
public HazelcastCacheManager cacheManager(
HazelcastInstance existingHazelcastInstance) throws IOException {
Resource config = this.cacheProperties.getHazelcast().getConfig();
Resource location = this.cacheProperties.resolveConfigLocation(config);
if (location != null) {
HazelcastInstance cacheHazelcastInstance = new HazelcastInstanceFactory(
location).getHazelcastInstance();
return new CloseableHazelcastCacheManager(cacheHazelcastInstance);
}
HazelcastCacheManager cacheManager = new HazelcastCacheManager(
existingHazelcastInstance);
return this.customizers.customize(cacheManager);
}
}
@Configuration
@ConditionalOnMissingBean(HazelcastInstance.class)
@Conditional(ConfigAvailableCondition.class)
static class Specific {
private final CacheProperties cacheProperties;
private final CacheManagerCustomizers customizers;
Specific(CacheProperties cacheProperties, CacheManagerCustomizers customizers) {
this.cacheProperties = cacheProperties;
this.customizers = customizers;
}
@Bean
public HazelcastInstance hazelcastInstance() throws IOException {
Resource config = this.cacheProperties.getHazelcast().getConfig();
Resource location = this.cacheProperties.resolveConfigLocation(config);
if (location != null) {
return new HazelcastInstanceFactory(location).getHazelcastInstance();
}
return Hazelcast.newHazelcastInstance();
}
@Bean
public HazelcastCacheManager cacheManager() throws IOException {
HazelcastCacheManager cacheManager = new HazelcastCacheManager(
hazelcastInstance());
return this.customizers.customize(cacheManager);
}
}
/**
* {@link HazelcastConfigResourceCondition} that checks if the
* {@code spring.cache.hazelcast.config} configuration key is defined.
*/
static class ConfigAvailableCondition extends HazelcastConfigResourceCondition {
ConfigAvailableCondition() {
super("spring.cache.hazelcast", "config");
}
}
private static class CloseableHazelcastCacheManager extends HazelcastCacheManager
implements Closeable {
private final HazelcastInstance hazelcastInstance;
CloseableHazelcastCacheManager(HazelcastInstance hazelcastInstance) {
super(hazelcastInstance);
this.hazelcastInstance = hazelcastInstance;
}
@Override
public void close() throws IOException {
this.hazelcastInstance.shutdown();
}
}
}