Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
Edge |
|
| 2.3;2.3 |
1 | /* | |
2 | * Licensed to the Apache Software Foundation (ASF) under one | |
3 | * or more contributor license agreements. See the NOTICE file | |
4 | * distributed with this work for additional information | |
5 | * regarding copyright ownership. The ASF licenses this file | |
6 | * to you under the Apache License, Version 2.0 (the | |
7 | * "License"); you may not use this file except in compliance | |
8 | * with the License. You may obtain a copy of the License at | |
9 | * | |
10 | * http://www.apache.org/licenses/LICENSE-2.0 | |
11 | * | |
12 | * Unless required by applicable law or agreed to in writing, software | |
13 | * distributed under the License is distributed on an "AS IS" BASIS, | |
14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
15 | * See the License for the specific language governing permissions and | |
16 | * limitations under the License. | |
17 | */ | |
18 | ||
19 | package org.apache.giraph.graph; | |
20 | ||
21 | import org.apache.hadoop.io.Writable; | |
22 | import org.apache.hadoop.io.WritableComparable; | |
23 | ||
24 | /** | |
25 | * A complete edge, the target vertex and the edge value. Can only be one | |
26 | * edge with a destination vertex id per edge map. | |
27 | * | |
28 | * @param <I> Vertex index | |
29 | * @param <E> Edge value | |
30 | */ | |
31 | 14 | @SuppressWarnings("rawtypes") |
32 | public class Edge<I extends WritableComparable, E extends Writable> | |
33 | implements Comparable<Edge<I, E>> { | |
34 | /** Target vertex id */ | |
35 | 5227 | private I targetVertexId = null; |
36 | /** Edge value */ | |
37 | 5227 | private E value = null; |
38 | ||
39 | /** | |
40 | * Constructor for reflection | |
41 | */ | |
42 | 10 | public Edge() { } |
43 | ||
44 | /** | |
45 | * Create the edge with final values | |
46 | * | |
47 | * @param targetVertexId Desination vertex id. | |
48 | * @param value Value of the edge. | |
49 | */ | |
50 | 5222 | public Edge(I targetVertexId, E value) { |
51 | 5222 | this.targetVertexId = targetVertexId; |
52 | 5222 | this.value = value; |
53 | 5222 | } |
54 | ||
55 | /** | |
56 | * Get the target vertex index of this edge | |
57 | * | |
58 | * @return Target vertex index of this edge | |
59 | */ | |
60 | public I getTargetVertexId() { | |
61 | 9056 | return targetVertexId; |
62 | } | |
63 | ||
64 | /** | |
65 | * Get the edge value of the edge | |
66 | * | |
67 | * @return Edge value of this edge | |
68 | */ | |
69 | public E getValue() { | |
70 | 3319 | return value; |
71 | } | |
72 | ||
73 | /** | |
74 | * Set the destination vertex index of this edge. | |
75 | * | |
76 | * @param targetVertexId new destination vertex | |
77 | */ | |
78 | public void setTargetVertexId(I targetVertexId) { | |
79 | 11 | this.targetVertexId = targetVertexId; |
80 | 11 | } |
81 | ||
82 | /** | |
83 | * Set the value for this edge. | |
84 | * | |
85 | * @param value new edge value | |
86 | */ | |
87 | public void setValue(E value) { | |
88 | 11 | this.value = value; |
89 | 11 | } |
90 | ||
91 | @Override | |
92 | public String toString() { | |
93 | 0 | return "(TargetVertexId = " + targetVertexId + ", " + |
94 | "value = " + value + ")"; | |
95 | } | |
96 | ||
97 | @SuppressWarnings("unchecked") | |
98 | @Override | |
99 | public int compareTo(Edge<I, E> edge) { | |
100 | 14 | return targetVertexId.compareTo(edge.getTargetVertexId()); |
101 | } | |
102 | ||
103 | @Override | |
104 | public boolean equals(Object o) { | |
105 | 1011 | if (this == o) { |
106 | 0 | return true; |
107 | } | |
108 | 1011 | if (o == null || getClass() != o.getClass()) { |
109 | 0 | return false; |
110 | } | |
111 | ||
112 | 1011 | Edge edge = (Edge) o; |
113 | ||
114 | 1011 | if (targetVertexId != null ? !targetVertexId.equals(edge.targetVertexId) : |
115 | edge.targetVertexId != null) { | |
116 | 0 | return false; |
117 | } | |
118 | 1011 | if (value != null ? !value.equals(edge.value) : edge.value != null) { |
119 | 0 | return false; |
120 | } | |
121 | ||
122 | 1011 | return true; |
123 | } | |
124 | ||
125 | @Override | |
126 | public int hashCode() { | |
127 | 0 | int result = targetVertexId != null ? targetVertexId.hashCode() : 0; |
128 | 0 | result = 31 * result + (value != null ? value.hashCode() : 0); |
129 | 0 | return result; |
130 | } | |
131 | } |