Java tutorial
/* * Copyright (c) 2015, Kyle Smith * All rights reserved. * * 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 com.infinitechaos.vpcviewer.config; import java.util.concurrent.TimeUnit; import org.springframework.cache.CacheManager; import org.springframework.cache.annotation.EnableCaching; import org.springframework.cache.guava.GuavaCacheManager; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import com.google.common.cache.CacheBuilder; @Configuration @EnableCaching public class CachingConfiguration { public static final String VPC_LISTS_CACHE = "vpcLists"; public static final String VPC_CACHE = "vpcs"; public static final String SUBNET_CACHE = "subnets"; public static final String ROUTE_TABLE_CACHE = "routeTables"; @Bean public CacheManager cacheManager() { GuavaCacheManager cm = new GuavaCacheManager(VPC_LISTS_CACHE, VPC_CACHE, ROUTE_TABLE_CACHE, SUBNET_CACHE); cm.setAllowNullValues(false); cm.setCacheBuilder(CacheBuilder.newBuilder().expireAfterWrite(1, TimeUnit.MINUTES)); return cm; } }