001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.commons.pool2.impl;
018
019import java.io.PrintWriter;
020import java.io.StringWriter;
021import java.text.SimpleDateFormat;
022
023import org.apache.commons.pool2.PooledObject;
024
025/**
026 * Implementation of object that is used to provide information on pooled
027 * objects via JMX.
028 *
029 * @since 2.0
030 */
031public class DefaultPooledObjectInfo implements DefaultPooledObjectInfoMBean {
032
033    private static final String PATTERN = "yyyy-MM-dd HH:mm:ss Z";
034
035    private final PooledObject<?> pooledObject;
036
037    /**
038     * Constructs a new instance for the given pooled object.
039     *
040     * @param pooledObject The pooled object that this instance will represent
041     */
042    public DefaultPooledObjectInfo(final PooledObject<?> pooledObject) {
043        this.pooledObject = pooledObject;
044    }
045
046    @Override
047    public long getBorrowedCount() {
048        return pooledObject.getBorrowedCount();
049    }
050
051    @Override
052    public long getCreateTime() {
053        return pooledObject.getCreateInstant().toEpochMilli();
054    }
055
056    @Override
057    public String getCreateTimeFormatted() {
058        return getTimeFormatted(getCreateTime());
059    }
060
061    @Override
062    public long getLastBorrowTime() {
063        return pooledObject.getLastBorrowInstant().toEpochMilli();
064    }
065
066
067    @Override
068    public String getLastBorrowTimeFormatted() {
069        return getTimeFormatted(getLastBorrowTime());
070    }
071
072    @Override
073    public String getLastBorrowTrace() {
074        final StringWriter sw = new StringWriter();
075        pooledObject.printStackTrace(new PrintWriter(sw));
076        return sw.toString();
077    }
078
079    @Override
080    public long getLastReturnTime() {
081        return pooledObject.getLastReturnInstant().toEpochMilli();
082    }
083
084    @Override
085    public String getLastReturnTimeFormatted() {
086        return getTimeFormatted(getLastReturnTime());
087    }
088
089    @Override
090    public String getPooledObjectToString() {
091        return pooledObject.getObject().toString();
092    }
093
094    @Override
095    public String getPooledObjectType() {
096        return pooledObject.getObject().getClass().getName();
097    }
098
099    private String getTimeFormatted(final long millis) {
100        return new SimpleDateFormat(PATTERN).format(Long.valueOf(millis));
101    }
102
103    /**
104     * @since 2.4.3
105     */
106    @Override
107    public String toString() {
108        final StringBuilder builder = new StringBuilder();
109        builder.append("DefaultPooledObjectInfo [pooledObject=");
110        builder.append(pooledObject);
111        builder.append("]");
112        return builder.toString();
113    }
114}