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 package org.apache.giraph.factories;
19
20 import org.apache.giraph.edge.OutEdges;
21 import org.apache.hadoop.io.Writable;
22 import org.apache.hadoop.io.WritableComparable;
23
24 import java.io.Serializable;
25
26 /**
27 * Factory interface for creating {@link OutEdges} instances.
28 *
29 * @param <I> Vertex ID type.
30 * @param <E> Edge value type.
31 */
32 public interface OutEdgesFactory<I extends WritableComparable,
33 E extends Writable> extends Serializable {
34
35 /**
36 * Creates a new {@link OutEdges instance}.
37 *
38 * @return {@link OutEdges} instance.
39 */
40 OutEdges<I, E> newInstance();
41 }