# WriteLockObject.java

    /*
     *   Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
     *
     *   WSO2 Inc. 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.transport.vfs;

    /**
     * This class is used for locking vfs sender in synchronous write mode
     */
    public class WriteLockObject {

    	/**
    	 * Number of threads using this object for locking
    	 */
    	private int objectUsers = 0;

    	public void incrementUsers(){
    		objectUsers++;
    	}

    	public int decrementAndGetUsers(){
    		return --objectUsers;
    	}
    }