# DBPoolView.java

    /*
     *  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.apache.synapse.commons.datasource;

    import java.util.HashMap;
    import java.util.Map;

    /**
     * Data source connection pool stats collector implementation
     */
    public class DBPoolView implements DBPoolViewMBean {

        private int numActive = 0;
        private int numIdle = 0;
        private final Map<String, Long> connectionsUsage = new HashMap<String, Long>();
        private String name;

        public DBPoolView(String name) {
            this.name = name;
        }

        public int getNumActive() {
            return numActive;
        }

        public void setNumActive(int numActive) {
            this.numActive = numActive;
        }

        public int getNumIdle() {
            return numIdle;
        }

        public void setNumIdle(int numIdle) {
            this.numIdle = numIdle;
        }

        public String getName() {
            return name;
        }

        public void setName(String name) {
            this.name = name;
        }

        public void updateConnectionUsage(String connectionID) {
            if (connectionID != null && !"".equals(connectionID)) {
                Long currentUsage = connectionsUsage.get(connectionID);
                if (currentUsage != null) {
                    currentUsage += 1;
                    connectionsUsage.put(connectionID, currentUsage);
                } else {
                    connectionsUsage.put(connectionID, (long) 1);
                }
            }
        }

        public Map getConnectionUsage() {
            return connectionsUsage;
        }

        public void reset() {
            numActive = 0;
            numIdle = 0;
            connectionsUsage.clear();
        }
    }