bpel-runtime/src/main/java/org/apache/ode/bpel/runtime/InstanceGlobals.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.ode.bpel.runtime;

import java.io.Serializable;
import java.util.HashMap;
import java.util.Map;

import org.apache.ode.bpel.obj.OScope;
import org.apache.ode.bpel.runtime.channels.ReadWriteLock;


/**
 * Data structure used to keep track of global (instance-level) data. 
 * @author Maciej Szefler <mszefler at gmail dot com>
 *
 */
public class InstanceGlobals implements Serializable {
    
    /** Variable locks. Used by isolated scopes. */
    Map<OScope.Variable, ReadWriteLock> _varLocks = new HashMap<OScope.Variable, ReadWriteLock>();
}