2 * Copyright 2008 the original author or authors.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package org.wamblee.system.graph.component;
18 import org.wamblee.system.graph.Edge;
19 import org.wamblee.system.graph.EdgeFilter;
20 import org.wamblee.system.graph.EdgeSelector;
21 import org.wamblee.system.graph.Node;
24 * Filter used to explicitly connect required and provided interfaces within a
27 * @author Erik Brakkee
30 public class ConnectRequiredExternallyRequiredEdgeFilter implements EdgeFilter {
32 private String _client;
33 private String _required;
34 private String _externalRequired;
36 public ConnectRequiredExternallyRequiredEdgeFilter(String aClient, String aRequired,
37 String aExternalRequired) {
39 _required = aRequired;
40 _externalRequired = aExternalRequired;
41 if ( _client == null ) {
42 throw new IllegalArgumentException("Client component must be specified");
44 if ( _required == null ) {
45 throw new IllegalArgumentException("Required interface must be specified");
47 if ( _externalRequired == null ) {
48 throw new IllegalArgumentException("External required interface must be specified");
53 public boolean isViolated(Edge aEdge) {
54 if (aEdge.getFrom() instanceof RequiredInterfaceNode
55 && aEdge.getTo() instanceof ExternalRequiredInterfaceNode) {
56 return isViolated((RequiredInterfaceNode) aEdge.getFrom(),
57 (ExternalRequiredInterfaceNode) aEdge.getTo());
62 private boolean isViolated(RequiredInterfaceNode aFrom,
63 ExternalRequiredInterfaceNode aTo) {
64 if ( !aFrom.getComponent().getName().equals(_client)) {
65 return false; // wrong component.
67 if ( !(_required == null || aFrom.getRequired().getName().equals(_required))) {
68 return false; // wrong interface
70 if ( !aTo.getRequired().getName().equals(_externalRequired)) {
71 return true; // wrong externally required interface.