Java tutorial
/** * 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. */ package org.springframework.boot.actuate.metrics.ambari.pool; import org.apache.commons.pool2.BasePooledObjectFactory; import org.apache.commons.pool2.PooledObject; import org.apache.commons.pool2.impl.DefaultPooledObject; import org.springframework.boot.actuate.metrics.ambari.domain.TimelineMetric; /** * Object pool factory for the {@link TimelineMetric} object types. * * @author tzolov@apache.org * */ public class TimelineMetricFactory extends BasePooledObjectFactory<TimelineMetric> { @Override public TimelineMetric create() throws Exception { return new TimelineMetric(); } @Override public PooledObject<TimelineMetric> wrap(TimelineMetric tm) { return new DefaultPooledObject<TimelineMetric>(tm); } @Override public void passivateObject(PooledObject<TimelineMetric> tm) throws Exception { // When the TimelineMetric is returned to the pool, clean the previous state tm.getObject().setInstanceId(null); tm.getObject().setAppId(null); tm.getObject().setHostName(null); tm.getObject().setMetricName(null); tm.getObject().getMetricValues().clear(); tm.getObject().setStartTime(-1); } }