| /* |
| * 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; |
| } |
| |
| } |