X-Git-Url: http://wamblee.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=system%2Fgeneral%2Fsrc%2Fmain%2Fjava%2Forg%2Fwamblee%2Fsystem%2Fgraph%2Fcomponent%2FCheckRequiredProvidedMultiplicityVisitor.java;h=86c13ca39f738b0cc160c7f01bbcb06b2a785b34;hb=f4d446b84fa1a38ed83cd157f79fdb8233822145;hp=526b8923e02e8cd7ca6e8e92792faefa3ca3a942;hpb=b522989a5f4a984c2c3ad0780886ac7c7b044bc7;p=utils
diff --git a/system/general/src/main/java/org/wamblee/system/graph/component/CheckRequiredProvidedMultiplicityVisitor.java b/system/general/src/main/java/org/wamblee/system/graph/component/CheckRequiredProvidedMultiplicityVisitor.java
index 526b8923..86c13ca3 100644
--- a/system/general/src/main/java/org/wamblee/system/graph/component/CheckRequiredProvidedMultiplicityVisitor.java
+++ b/system/general/src/main/java/org/wamblee/system/graph/component/CheckRequiredProvidedMultiplicityVisitor.java
@@ -1,12 +1,12 @@
/*
* Copyright 2008 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.
@@ -15,72 +15,103 @@
*/
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 whether required and provided interfaces are matched
* appropriately:
- *
- * - Each required interface is connected to at most one provided interface
- *
- * - Required interfaces that are not optional must be connected to precisely
- * one provided interface
- *
- *
+ *
+ * - Each required interface is connected to at most one
+ * provided interface
+ * - Required interfaces that are not optional must be connected
+ * to precisely one provided interface
+ *
+ *
* @author Erik Brakkee
- *
*/
public class CheckRequiredProvidedMultiplicityVisitor implements Visitor {
+ /**
+ * DOCUMENT ME!
+ */
+ private Graph graph;
- private Graph _graph;
-
+ /**
+ * Creates a new CheckRequiredProvidedMultiplicityVisitor object.
+ *
+ * @param aGraph DOCUMENT ME!
+ */
public CheckRequiredProvidedMultiplicityVisitor(Graph aGraph) {
- _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 edges = _graph.findOutgoing(aNode);
+ List edges = graph.findOutgoing(aNode);
+
if (edges.size() > 1) {
- createDuplicateException("Multiple internal providers of 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");
+
+ if ((edges.size() == 0) && !required.getRequired().isOptional()) {
+ throw new SystemAssemblyException(aNode
+ + ": mandatpory required interface not provided by other components started earlier");
}
- } else if ( aNode instanceof ProvidedInterfaceNode) {
- List edges = _graph.findOutgoing(aNode);
- if ( edges.size() > 1) {
- createDuplicateException("multiple internal matches for externally provided interface", aNode, edges);
+ } else if (aNode instanceof ExternalProvidedInterfaceNode) {
+ List edges = graph.findOutgoing(aNode);
+
+ if (edges.size() > 1) {
+ 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");
+
+ if (edges.size() == 0) {
+ throw new SystemAssemblyException(aNode
+ + ": external provided interface is not provided internally");
}
}
}
- private void createDuplicateException(String aMsg, Node aNode, List edges) {
+ /**
+ * DOCUMENT ME!
+ *
+ * @param aMsg DOCUMENT ME!
+ * @param aNode DOCUMENT ME!
+ * @param edges DOCUMENT ME!
+ */
+ private void createDuplicateException(String aMsg, Node aNode,
+ List edges) {
StringBuffer buf = new StringBuffer();
- buf.append(aNode
- + ": " + aMsg + ": ");
+ buf.append(aNode + ": " + aMsg + ": ");
+
for (Edge edge : edges) {
buf.append(edge.getTo() + "/ ");
}
+
throw new SystemAssemblyException(buf.toString());
}
-
}