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
27 public class ConnectRequiredProvidedEdgeFilter implements EdgeFilter {
28 private String client;
30 private String required;
32 private String server;
34 private String provided;
37 * Creates a new ConnectRequiredProvidedEdgeFilter object.
40 public ConnectRequiredProvidedEdgeFilter(String aClient, String aRequired,
41 String aServer, String aProvided) {
48 throw new IllegalArgumentException(
49 "Client component must be specified");
54 public boolean isViolated(Edge aEdge) {
55 if (aEdge.getFrom() instanceof RequiredInterfaceNode &&
56 aEdge.getTo() instanceof ProvidedInterfaceNode) {
57 return isViolated((RequiredInterfaceNode) aEdge.getFrom(),
58 (ProvidedInterfaceNode) aEdge.getTo());
64 private boolean isViolated(RequiredInterfaceNode aFrom,
65 ProvidedInterfaceNode aTo) {
66 if (client.equals(aFrom.getComponent().getName()) &&
67 ((required == null) || required.equals(aFrom.getRequired()
71 return true; // all connections are eliminated
74 if (server.equals(aTo.getComponent().getName()) &&
75 ((provided == null) || provided.equals(aTo.getProvided()
77 // to part matches also
80 // From matches and to doesn't so edgefilter is violated.
84 // From part does not match, restriction does not apply.