CacheConfiguration.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.samples.petclinic.system;
import org.springframework.boot.autoconfigure.cache.JCacheManagerCustomizer;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import javax.cache.configuration.MutableConfiguration;
/**
* Cache configuration intended for caches providing the JCache API. This configuration creates the used cache for the
* application and enables statistics that become accessible via JMX.
*/
@Configuration
@EnableCaching
class CacheConfiguration {
@Bean
public JCacheManagerCustomizer petclinicCacheConfigurationCustomizer() {
return cm -> {
cm.createCache("vets", cacheConfiguration());
};
}
/**
* Create a simple configuration that enable statistics via the JCache programmatic configuration API.
* <p>
* Within the configuration object that is provided by the JCache API standard, there is only a very limited set of
* configuration options. The really relevant configuration options (like the size limit) must be set via a
* configuration mechanism that is provided by the selected JCache implementation.
*/
private javax.cache.configuration.Configuration<Object, Object> cacheConfiguration() {
return new MutableConfiguration<>().setStatisticsEnabled(true);
}
}