GuavaCacheTest.java

/*
 * Copyright 2014 NAVER Corp.
 *
 * 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.navercorp.pinpoint.profiler.util;

import com.google.common.cache.Cache;
import com.google.common.cache.CacheBuilder;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * @author emeroad
 */
public class GuavaCacheTest {
    private final Logger logger = LoggerFactory.getLogger(this.getClass());


    @Test
    public void test() {
        CacheBuilder builder = CacheBuilder.newBuilder();
        builder.concurrencyLevel(8);
        builder.maximumSize(1);
        builder.initialCapacity(1);
        Cache<String, Object> cache = builder.build();

        cache.put("test1", "1");
        logger.debug("{}", cache.size());
        cache.put("test3", "2");
        logger.debug("{}", cache.size());

    }
}