/*
- * Copyright 2008 the original author or authors.
- *
+ * Copyright 2005-2010 the original author or authors.
+ *
* Licensed 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.wamblee.system.graph.component;
import org.wamblee.system.core.SystemAssemblyException;
import java.util.ArrayList;
import java.util.List;
-
/**
- * Checks whether the given component graph can be started in component
- * order without any missing dependencies.
- *
+ * Checks whether the given component graph can be started in component order
+ * without any missing dependencies.
+ *
* @author Erik Brakkee
*/
public class CheckStartupDependenciesVisitor implements Visitor {
- /**
- * DOCUMENT ME!
- */
private Graph graph;
- /**
- * DOCUMENT ME!
- */
private List<Node> available;
-/**
- * Constructs the visitor.
- * @param aGraph Graph.
+ /**
+ * Constructs the visitor.
+ *
+ * @param aGraph
+ * Graph.
*/
public CheckStartupDependenciesVisitor(Graph aGraph) {
- graph = aGraph;
- available = new ArrayList<Node>();
+ graph = aGraph;
+ available = new ArrayList<Node>();
}
- /**
- * DOCUMENT ME!
- *
- * @param aEdge DOCUMENT ME!
- */
@Override
public void visitEdge(Edge aEdge) {
// Empty
}
- /**
- * DOCUMENT ME!
- *
- * @param aNode DOCUMENT ME!
- */
@Override
public void visitNode(Node aNode) {
List<Edge> edges = graph.findOutgoing(aNode);
Node dep = edge.getTo();
if (!available.contains(dep)) {
- throw new SystemAssemblyException(aNode
- + ": required dependency '" + dep + "' was not started");
+ throw new SystemAssemblyException(aNode +
+ ": required dependency '" + dep + "' was not started");
}
}