/*
- * 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.
* 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 java.util.List;
-
import org.wamblee.system.core.SystemAssemblyException;
import org.wamblee.system.graph.Edge;
import org.wamblee.system.graph.Graph;
import org.wamblee.system.graph.Node;
import org.wamblee.system.graph.Visitor;
+import java.util.List;
+
/**
- * Visitor that checks externally provided
- * <ul>
- * <li>
- * </ul>
+ * Visitor that checks whether all externally provided interfaces are actually
+ * provided by any of the internal components.
*
* @author Erik Brakkee
- *
*/
public class CheckExternallyProvidedVisitor implements Visitor {
-
- private Graph _graph;
-
- public CheckExternallyProvidedVisitor(Graph aGraph) {
- _graph = aGraph;
+ private Graph graph;
+
+ /**
+ * Constructs the visitor.
+ *
+ * @param aGraph
+ * Component graph.
+ */
+ public CheckExternallyProvidedVisitor(Graph aGraph) {
+ graph = aGraph;
}
@Override
@Override
public void visitNode(Node aNode) {
- if ( aNode instanceof ExternalProvidedInterfaceNode) {
- ExternalProvidedInterfaceNode provided = (ExternalProvidedInterfaceNode) aNode;
- List<Edge> edges = _graph.findOutgoing(provided);
- if ( edges.size() > 2 ) {
- createDuplicateException("External provided interfaces has multiple internal matches", aNode, edges);
+ if (aNode instanceof ExternalProvidedInterfaceNode) {
+ ExternalProvidedInterfaceNode provided = (ExternalProvidedInterfaceNode) aNode;
+ List<Edge> edges = graph.findOutgoing(provided);
+
+ if (edges.size() > 2) {
+ createDuplicateException(
+ "External provided interfaces has multiple internal matches",
+ aNode, edges);
}
- if ( edges.size() == 0 ) {
- throw new SystemAssemblyException(aNode + ": external provded interface is not provided by any of the internal components");
+
+ if (edges.size() == 0) {
+ throw new SystemAssemblyException(
+ aNode +
+ ": external provded interface is not provided by any of the internal components");
}
}
}
-
- private void createDuplicateException(String aMsg, Node aNode, List<Edge> edges) {
+
+ private void createDuplicateException(String aMsg, Node aNode,
+ List<Edge> aEdges) {
StringBuffer buf = new StringBuffer();
- buf.append(aNode
- + ": " + aMsg + ": ");
- for (Edge edge : edges) {
+ buf.append(aNode + ": " + aMsg + ": ");
+
+ for (Edge edge : aEdges) {
buf.append(edge.getTo() + "/ ");
}
+
throw new SystemAssemblyException(buf.toString());
}
-
}