spring HazelcastJCacheCustomizationConfiguration 源码
springboot HazelcastJCacheCustomizationConfiguration 代码
文件路径：/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/cache/HazelcastJCacheCustomizationConfiguration.java
/*
* Copyright 2012-2019 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
*
* https://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.IOException;
import java.net.URI;
import java.util.Properties;
import com.hazelcast.core.HazelcastInstance;
import org.springframework.beans.factory.ObjectProvider;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.Resource;
/**
* JCache customization for Hazelcast.
*
* @author Stephane Nicoll
*/
@Configuration(proxyBeanMethods = false)
@ConditionalOnClass(HazelcastInstance.class)
class HazelcastJCacheCustomizationConfiguration {
@Bean
HazelcastPropertiesCustomizer hazelcastPropertiesCustomizer(ObjectProvider<HazelcastInstance> hazelcastInstance) {
return new HazelcastPropertiesCustomizer(hazelcastInstance.getIfUnique());
}
static class HazelcastPropertiesCustomizer implements JCachePropertiesCustomizer {
private final HazelcastInstance hazelcastInstance;
HazelcastPropertiesCustomizer(HazelcastInstance hazelcastInstance) {
this.hazelcastInstance = hazelcastInstance;
}
@Override
public void customize(CacheProperties cacheProperties, Properties properties) {
Resource configLocation = cacheProperties.resolveConfigLocation(cacheProperties.getJcache().getConfig());
if (configLocation != null) {
// Hazelcast does not use the URI as a mean to specify a custom config.
properties.setProperty("hazelcast.config.location", toUri(configLocation).toString());
}
else if (this.hazelcastInstance != null) {
properties.put("hazelcast.instance.itself", this.hazelcastInstance);
}
}
private static URI toUri(Resource config) {
try {
return config.getURI();
}
catch (IOException ex) {
throw new IllegalArgumentException("Could not get URI from " + config, ex);
}
}
}
}
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- 本文标签： Java Spring Spring Boot
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