/*
 * 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.evt;

import java.util.HashSet;
import java.util.Set;

import javax.xml.namespace.QName;

import org.apache.ode.bpel.common.CorrelationKey;
import org.apache.ode.bpel.common.CorrelationKeySet;

/**
 * Message arrived and matched neither (a) createInstance or (b) correlation
 * match
 */
public class CorrelationNoMatchEvent extends CorrelationEvent {
    private static final long serialVersionUID = 1L;
    
    // left out for backward-compatibility
    private final Set<CorrelationKey> _keys = new HashSet<CorrelationKey>();
    private CorrelationKeySet _keySet = null;

    public CorrelationNoMatchEvent(QName qName, String opName, String mexId,
            CorrelationKeySet keySet) {
        super(qName, opName, mexId);

        _keySet = keySet;
    }

    public CorrelationKeySet getKeySet() {
        // backward-compatibility; add up keys
        if( _keys.size() > 0 && _keySet == null ) {
            _keySet = new CorrelationKeySet();
        }
        for (CorrelationKey aKey : _keys) {
            if (aKey != null && !_keySet.contains(aKey)) {
                _keySet.add(aKey);
            }
        }
        
        return _keySet;
    }

    public void setKeys(CorrelationKeySet keySet) {
        _keySet = keySet;
    }

}