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BlockEndNode.java
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BlockEndNode.java
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/*
* The MIT License
*
* Copyright (c) 2013-2014, CloudBees, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package org.jenkinsci.plugins.workflow.graph;
import java.io.IOException;
import org.jenkinsci.plugins.workflow.flow.FlowExecution;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.annotation.Nonnull;
/**
* End of a block.
* @see BlockStartNode
*/
public abstract class BlockEndNode<START extends BlockStartNode> extends FlowNode {
private transient START start;
private final String startId;
public BlockEndNode(FlowExecution exec, String id, START start, FlowNode... parents) {
super(exec, id, parents);
this.start = start;
startId = start.getId();
}
public BlockEndNode(FlowExecution exec, String id, START start, List<FlowNode> parents) {
super(exec, id, parents);
this.start = start;
startId = start.getId();
}
/**
* Returns the matching start node.
* @return an earlier node matching this block
* @throws IllegalStateException if the start node could not be reloaded after deserialization
*/
public @Nonnull START getStartNode() {
if (start == null) {
try {
start = (START) getExecution().getNode(startId);
if (start == null) {
throw new IllegalStateException("Matching start node " + startId + " lost from deserialization");
}
} catch (IOException x) {
throw new IllegalStateException("Could not load matching start node: " + x);
}
}
return start;
}
}