import java.util.List;
-
/**
* Visitor that checks whether required and provided interfaces are matched
* appropriately:
- * <ul>
- * <li>Each required interface is connected to at most one
- * provided interface</li>
- * <li>Required interfaces that are not optional must be connected
- * to precisely one provided interface</li>
- * </ul>
- *
+ * <ul>
+ * <li>Each required interface is connected to at most one provided interface</li>
+ * <li>Required interfaces that are not optional must be connected to precisely
+ * one provided interface</li>
+ * </ul>
+ *
* @author Erik Brakkee
*/
public class CheckRequiredProvidedMultiplicityVisitor implements Visitor {
- /**
- * DOCUMENT ME!
- */
private Graph graph;
/**
* Creates a new CheckRequiredProvidedMultiplicityVisitor object.
- *
- * @param aGraph DOCUMENT ME!
+ *
*/
public CheckRequiredProvidedMultiplicityVisitor(Graph aGraph) {
graph = aGraph;
}
- /**
- * 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) {
if (aNode instanceof RequiredInterfaceNode) {
RequiredInterfaceNode required = (RequiredInterfaceNode) aNode;
- List<Edge> edges = graph.findOutgoing(aNode);
+ List<Edge> edges = graph.findOutgoing(aNode);
if (edges.size() > 1) {
- createDuplicateException("Multiple providers of required interface found",
- aNode, edges);
+ createDuplicateException(
+ "Multiple providers of required interface found", aNode,
+ edges);
}
if ((edges.size() == 0) && !required.getRequired().isOptional()) {
- throw new SystemAssemblyException(aNode
- + ": mandatpory required interface not provided by other components started earlier");
+ throw new SystemAssemblyException(
+ aNode +
+ ": mandatpory required interface not provided by other components started earlier");
}
} else if (aNode instanceof ExternalProvidedInterfaceNode) {
List<Edge> edges = graph.findOutgoing(aNode);
if (edges.size() > 1) {
- createDuplicateException("multiple internal matches for externally provided interface",
+ createDuplicateException(
+ "multiple internal matches for externally provided interface",
aNode, edges);
}
if (edges.size() == 0) {
- throw new SystemAssemblyException(aNode
- + ": external provided interface is not provided internally");
+ throw new SystemAssemblyException(aNode +
+ ": external provided interface is not provided internally");
}
}
}
- /**
- * DOCUMENT ME!
- *
- * @param aMsg DOCUMENT ME!
- * @param aNode DOCUMENT ME!
- * @param edges DOCUMENT ME!
- */
private void createDuplicateException(String aMsg, Node aNode,
List<Edge> edges) {
StringBuffer buf = new StringBuffer();