| /* |
| * Copyright 2000-2011 JetBrains s.r.o. |
| * |
| * 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. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.intellij.util.graph.impl; |
| |
| import org.jetbrains.annotations.NotNull; |
| |
| /** |
| * @author nik |
| */ |
| class GraphEdge<Node> { |
| private final Node myStart; |
| private final Node myFinish; |
| private final int myDelta; |
| |
| GraphEdge(@NotNull Node start, @NotNull Node finish, int delta) { |
| myStart = start; |
| myFinish = finish; |
| myDelta = delta; |
| } |
| |
| public Node getStart() { |
| return myStart; |
| } |
| |
| public Node getFinish() { |
| return myFinish; |
| } |
| |
| public int getDelta() { |
| return myDelta; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) return true; |
| if (o == null || getClass() != o.getClass()) return false; |
| |
| GraphEdge edge = (GraphEdge)o; |
| return myFinish.equals(edge.myFinish) && myStart.equals(edge.myStart); |
| } |
| |
| @Override |
| public int hashCode() { |
| return 31 * myStart.hashCode() + myFinish.hashCode(); |
| } |
| } |