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优 caffeine cache 移动cache到common模块 修改clear实现 修改clear实现 perfect comment add cache test --------- Co-authored-by: hujiaofen <hujiaofen@2dfire.com>
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80 changes: 80 additions & 0 deletions
80
common/src/main/java/org/dromara/hertzbeat/common/cache/CaffeineCacheServiceImpl.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright ownership. | ||
| * The ASF licenses this file to You 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. | ||
| */ | ||
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| package org.dromara.hertzbeat.common.cache; | ||
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| import com.github.benmanes.caffeine.cache.Cache; | ||
| import com.github.benmanes.caffeine.cache.Caffeine; | ||
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| import java.time.Duration; | ||
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| /** | ||
| * | ||
| * @since 4/2/2023 | ||
| */ | ||
| public class CaffeineCacheServiceImpl<K, V> implements ICacheService<K, V> { | ||
| private final Cache<K, V> cache; | ||
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| public CaffeineCacheServiceImpl(final int initialCapacity, final long maximumSize, final Duration expireAfterWrite, final boolean useWeakKey) { | ||
| if (useWeakKey) { | ||
| this.cache = Caffeine.newBuilder() | ||
| .weakKeys() | ||
| .initialCapacity(initialCapacity) | ||
| .maximumSize(maximumSize) | ||
| .expireAfterWrite(expireAfterWrite) | ||
| .build(); | ||
| } else { | ||
| this.cache = Caffeine.newBuilder() | ||
| .initialCapacity(initialCapacity) | ||
| .maximumSize(maximumSize) | ||
| .expireAfterWrite(expireAfterWrite) | ||
| .build(); | ||
| } | ||
| } | ||
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| @Override | ||
| public V get(K key) { | ||
| return cache.getIfPresent(key); | ||
| } | ||
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| @Override | ||
| public V put(K key, V value) { | ||
| V oldValue = cache.getIfPresent(key); | ||
| cache.put(key, value); | ||
| return oldValue; | ||
| } | ||
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| @Override | ||
| public boolean containsKey(K key) { | ||
| return cache.asMap().containsKey(key); | ||
| } | ||
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| @Override | ||
| public V remove(K key) { | ||
| V value = cache.getIfPresent(key); | ||
| this.cache.invalidate(key); | ||
| this.cache.cleanUp(); | ||
| return value; | ||
| } | ||
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| @Override | ||
| public boolean clear() { | ||
| this.cache.invalidateAll(); | ||
| this.cache.cleanUp(); | ||
| return true; | ||
| } | ||
| } |
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51 changes: 51 additions & 0 deletions
51
common/src/test/java/org/dromara/hertzbeat/common/cache/CaffeineCacheTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| package org.dromara.hertzbeat.common.cache; | ||
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| import org.junit.jupiter.api.Assertions; | ||
| import org.junit.jupiter.api.BeforeEach; | ||
| import org.junit.jupiter.api.Test; | ||
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| import java.time.Duration; | ||
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| /** | ||
| * | ||
| * @since 13/4/2023 | ||
| */ | ||
| class CaffeineCacheTest { | ||
| private ICacheService<String, String> cacheService; | ||
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| @BeforeEach | ||
| void setUp() { | ||
| cacheService = new CaffeineCacheServiceImpl<>(10, 100, Duration.ofMillis(3000), false); | ||
| } | ||
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| @Test | ||
| void testCache() throws InterruptedException { | ||
| String key = "key"; | ||
| String value = "value"; | ||
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| // test get & put | ||
| cacheService.put(key, value); | ||
| Assertions.assertEquals(value, cacheService.get(key)); | ||
| Assertions.assertTrue(cacheService.containsKey(key)); | ||
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| // test remove | ||
| cacheService.remove(key); | ||
| Assertions.assertNull(cacheService.get(key)); | ||
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| // test expire time | ||
| cacheService.put(key, value); | ||
| Thread.sleep(3000); | ||
| Assertions.assertNull(cacheService.get(key)); | ||
| Assertions.assertNull(cacheService.get(key)); | ||
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| // test clear | ||
| for (int i = 0; i < 10; i++) { | ||
| cacheService.put(key + i, value); | ||
| } | ||
| cacheService.clear(); | ||
| for (int i = 0; i < 10; i++) { | ||
| Assertions.assertNull(cacheService.get(key + i)); | ||
| } | ||
| } | ||
|
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| } |
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71 changes: 0 additions & 71 deletions
71
manager/src/main/java/org/dromara/hertzbeat/manager/cache/CaffeineCacheServiceImpl.java
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