/*
* 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 org.apache.ode.bpel.o.OLink;
import java.io.Serializable;
import java.util.HashMap;
import java.util.Map;
/**
* Link stack frame allowing resolution of {@link OLink} objects to the
* current {@link LinkInfo} in context.
*/
class LinkFrame implements Serializable {
private static final long serialVersionUID = 1L;
LinkFrame next;
Map<OLink, LinkInfo> links = new HashMap<OLink, LinkInfo>();
LinkFrame(LinkFrame next) {
this.next = next;
}
LinkInfo resolve(OLink link) {
LinkInfo li = links.get(link);
if (li == null && next != null)
return next.resolve(link);
return li;
}
}