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.block_app.library.iteration;
19
20 import org.apache.giraph.block_app.framework.piece.Piece;
21 import org.apache.hadoop.io.Writable;
22 import org.apache.hadoop.io.WritableComparable;
23
24
25 /**
26 * Piece that increments execution stage iteration.
27 */
28 @SuppressWarnings("rawtypes")
29 public class IterationCounterPiece extends Piece<WritableComparable,
30 Writable, Writable, Writable, IterationStage> {
31 @Override
32 public IterationStage nextExecutionStage(IterationStage executionStage) {
33 return executionStage.changedIteration(executionStage.getIteration() + 1);
34 }
35 }