001/*
002 * (C) Copyright 2006-2012 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     Florent Guillaume
018 *     Julien Carsique
019 */
020package org.nuxeo.ecm.core.api.repository;
021
022import org.nuxeo.common.xmap.annotation.XNode;
023import org.nuxeo.common.xmap.annotation.XObject;
024
025/**
026 * Descriptor of the pool of low-level Nuxeo Sessions.
027 *
028 * @since 5.6
029 */
030@XObject("pool")
031public class PoolConfiguration {
032
033    public static final int DEFAULT_MAX_POOL_SIZE = 20;
034
035    public static final int DEFAULT_MIN_POOL_SIZE = 0;
036
037    public static final int DEFAULT_BLOCKING_TIMEOUT_MILLIS = 100;
038
039    @XNode("@maxPoolSize")
040    private Integer maxPoolSize;
041
042    @XNode("@minPoolSize")
043    private Integer minPoolSize;
044
045    @XNode("@blockingTimeoutMillis")
046    private Integer blockingTimeoutMillis;
047
048    public PoolConfiguration() {
049    }
050
051    /** Copy constructor. */
052    public PoolConfiguration(PoolConfiguration other) {
053        maxPoolSize = other.maxPoolSize;
054        minPoolSize = other.minPoolSize;
055        blockingTimeoutMillis = other.blockingTimeoutMillis;
056    }
057
058    public void merge(PoolConfiguration other) {
059        if (other.maxPoolSize != null) {
060            maxPoolSize = other.maxPoolSize;
061        }
062        if (other.minPoolSize != null) {
063            minPoolSize = other.minPoolSize;
064        }
065        if (other.blockingTimeoutMillis != null) {
066            blockingTimeoutMillis = other.blockingTimeoutMillis;
067        }
068    }
069
070    private static int defaultInt(Integer value, int def) {
071        return value == null ? def : value.intValue();
072    }
073
074    public int getMaxPoolSize() {
075        return defaultInt(maxPoolSize, DEFAULT_MAX_POOL_SIZE);
076    }
077
078    public int getMinPoolSize() {
079        return defaultInt(minPoolSize, DEFAULT_MIN_POOL_SIZE);
080    }
081
082    public int getBlockingTimeoutMillis() {
083        return defaultInt(blockingTimeoutMillis, DEFAULT_BLOCKING_TIMEOUT_MILLIS);
084    }
085
086    public void setMaxPoolSize(int maxPoolSize) {
087        this.maxPoolSize = Integer.valueOf(maxPoolSize);
088    }
089
090    public void setMinPoolSize(int minPoolSize) {
091        this.minPoolSize = Integer.valueOf(minPoolSize);
092    }
093
094    public void setBlockingTimeoutMillis(int blockingTimeoutMillis) {
095        this.blockingTimeoutMillis = Integer.valueOf(blockingTimeoutMillis);
096    }
097
098    @XNode("@maxActive")
099    public void setMaxActive(int num) {
100        maxPoolSize = num;
101    }
102
103    @XNode("@maxIdle")
104    public void setMaxIdle(int num) {
105        minPoolSize = num;
106    }
107
108    @XNode("@maxWait")
109    public void setMaxWait(int num) {
110        blockingTimeoutMillis = num;
111    }
112
113}