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;
22 * Filter used to explicitly connect required and provided interfaces within a
25 * @author Erik Brakkee
28 public class ConnectRequiredExternallyRequiredEdgeFilter implements EdgeFilter {
30 private String _client;
31 private String _required;
32 private String _externalRequired;
34 public ConnectRequiredExternallyRequiredEdgeFilter(String aClient, String aRequired,
35 String aExternalRequired) {
37 _required = aRequired;
38 _externalRequired = aExternalRequired;
39 if ( _client == null ) {
40 throw new IllegalArgumentException("Client component must be specified");
42 if ( _required == null ) {
43 throw new IllegalArgumentException("Required interface must be specified");
45 if ( _externalRequired == null ) {
46 throw new IllegalArgumentException("External required interface must be specified");
51 public boolean isViolated(Edge aEdge) {
52 if (aEdge.getFrom() instanceof RequiredInterfaceNode
53 && aEdge.getTo() instanceof ExternalRequiredInterfaceNode) {
54 return isViolated((RequiredInterfaceNode) aEdge.getFrom(),
55 (ExternalRequiredInterfaceNode) aEdge.getTo());
60 private boolean isViolated(RequiredInterfaceNode aFrom,
61 ExternalRequiredInterfaceNode aTo) {
62 if ( !aFrom.getComponent().getName().equals(_client)) {
63 return false; // wrong component.
65 if ( !(_required == null || aFrom.getRequired().getName().equals(_required))) {
66 return false; // wrong interface
68 if ( !aTo.getRequired().getName().equals(_externalRequired)) {
69 return true; // wrong externally required interface.