/*
- * 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.
*/
package org.wamblee.system.graph.component;
-import java.util.List;
-
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
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;
+import java.util.logging.Logger;
+
/**
* Visitor that checks whether all required external interfaces of the container
* are provided.
*
* @author Erik Brakkee
- *
*/
public class CheckExternallyRequiredVisitor implements Visitor {
+ private static final Logger LOG = Logger
+ .getLogger(CheckExternallyRequiredVisitor.class.getName());
- private Log LOG = LogFactory.getLog(CheckExternallyRequiredVisitor.class);
-
- private Graph _graph;
+ private Graph graph;
+ /**
+ * Creates a new CheckExternallyRequiredVisitor object.
+ *
+ */
public CheckExternallyRequiredVisitor(Graph aGraph) {
- _graph = aGraph;
+ graph = aGraph;
}
@Override
public void visitNode(Node aNode) {
if (aNode instanceof ExternalRequiredInterfaceNode) {
ExternalRequiredInterfaceNode required = (ExternalRequiredInterfaceNode) aNode;
- if (!required.getRequired().isOptional()
- && required.getRequired().getProvider() == null) {
- throw new SystemAssemblyException(aNode
- + ": External required interface is not provided");
+
+ if (!required.getRequired().isOptional() &&
+ (required.getRequired().getProvider() == null)) {
+ throw new SystemAssemblyException(aNode +
+ ": External required interface is not provided");
}
- List<Edge> edges = _graph.findIncoming(aNode);
+ List<Edge> edges = graph.findIncoming(aNode);
if (edges.isEmpty()) {
- LOG.warn(aNode + ": Superfluous required interface");
+ LOG.warning(aNode + ": Superfluous required interface");
}
+
for (Edge edge : edges) {
Node from = edge.getFrom();
assert from instanceof RequiredInterfaceNode;
- RequiredInterfaceNode reqNode = (RequiredInterfaceNode)from;
- if (!reqNode.getRequired().isOptional()
- && required.getRequired().isOptional()) {
+
+ RequiredInterfaceNode reqNode = (RequiredInterfaceNode) from;
+
+ if (!reqNode.getRequired().isOptional() &&
+ required.getRequired().isOptional()) {
throw new SystemAssemblyException(
- aNode
- + ": externally required interface is optional but a corresponding internal required interface is mandatory: "
- + reqNode);
+ aNode +
+ ": externally required interface is optional but a corresponding internal required interface is mandatory: " +
+ reqNode);
}
}
}
}
-
}