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.io.formats;
20
21 /**
22 * Keeps the vertex keys for the input/output vertex format
23 */
24 public class JsonBase64VertexFormat {
25 /** Vertex id key */
26 public static final String VERTEX_ID_KEY = "vertexId";
27 /** Vertex value key*/
28 public static final String VERTEX_VALUE_KEY = "vertexValue";
29 /** Edge value array key (all the edges are stored here) */
30 public static final String EDGE_ARRAY_KEY = "edgeArray";
31
32 /**
33 * Don't construct.
34 */
35 private JsonBase64VertexFormat() { }
36 }