| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.giraph.graph; |
| |
| import org.apache.giraph.conf.ClassConfOption; |
| import org.apache.giraph.conf.GiraphConstants; |
| import org.apache.giraph.conf.ImmutableClassesGiraphConfiguration; |
| import org.apache.giraph.factories.ValueFactory; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.io.Writable; |
| |
| /** |
| * Enumeration for a user graph type (IVEMM) |
| */ |
| public enum GraphType { |
| /** Vertex ID */ |
| VERTEX_ID { |
| @Override |
| public ClassConfOption<? extends Writable> writableConfOption() { |
| return GiraphConstants.VERTEX_ID_CLASS; |
| } |
| @Override |
| public ClassConfOption<? extends ValueFactory> factoryClassOption() { |
| return GiraphConstants.VERTEX_ID_FACTORY_CLASS; |
| } |
| @Override |
| public <T extends Writable> Class<T> get( |
| ImmutableClassesGiraphConfiguration conf) { |
| return conf.getVertexIdClass(); |
| } |
| @Override |
| public <T extends Writable> ValueFactory<T> factory( |
| ImmutableClassesGiraphConfiguration conf) { |
| return conf.getVertexIdFactory(); |
| } |
| }, |
| /** Vertex Value */ |
| VERTEX_VALUE { |
| @Override public ClassConfOption<? extends Writable> writableConfOption() { |
| return GiraphConstants.VERTEX_VALUE_CLASS; |
| } |
| @Override |
| public ClassConfOption<? extends ValueFactory> factoryClassOption() { |
| return GiraphConstants.VERTEX_VALUE_FACTORY_CLASS; |
| } |
| @Override |
| public <T extends Writable> Class<T> get( |
| ImmutableClassesGiraphConfiguration conf) { |
| return conf.getVertexValueClass(); |
| } |
| @Override |
| public <T extends Writable> ValueFactory<T> factory( |
| ImmutableClassesGiraphConfiguration conf) { |
| return conf.getVertexValueFactory(); |
| } |
| }, |
| /** Edge Value */ |
| EDGE_VALUE { |
| @Override |
| public ClassConfOption<? extends Writable> writableConfOption() { |
| return GiraphConstants.EDGE_VALUE_CLASS; |
| } |
| @Override |
| public ClassConfOption<? extends ValueFactory> factoryClassOption() { |
| return GiraphConstants.EDGE_VALUE_FACTORY_CLASS; |
| } |
| @Override |
| public <T extends Writable> Class<T> get( |
| ImmutableClassesGiraphConfiguration conf) { |
| return conf.getEdgeValueClass(); |
| } |
| @Override |
| public <T extends Writable> ValueFactory<T> factory( |
| ImmutableClassesGiraphConfiguration conf) { |
| return conf.getEdgeValueFactory(); |
| } |
| }, |
| /** Outgoing message value */ |
| OUTGOING_MESSAGE_VALUE { |
| @Override |
| public ClassConfOption<? extends Writable> writableConfOption() { |
| return GiraphConstants.OUTGOING_MESSAGE_VALUE_CLASS; |
| } |
| @Override |
| public ClassConfOption<? extends ValueFactory> factoryClassOption() { |
| return GiraphConstants.OUTGOING_MESSAGE_VALUE_FACTORY_CLASS; |
| } |
| @Override |
| public <T extends Writable> Class<T> get( |
| ImmutableClassesGiraphConfiguration conf) { |
| return conf.getOutgoingMessageValueClass(); |
| } |
| @Override |
| public <T extends Writable> ValueFactory<T> factory( |
| ImmutableClassesGiraphConfiguration conf) { |
| return conf.createOutgoingMessageValueFactory(); |
| } |
| }; |
| |
| @Override |
| public String toString() { |
| return name().toLowerCase(); |
| } |
| |
| /** |
| * Name of graph type with dots, like vertex.id or vertex.value |
| * |
| * @return name dot string |
| */ |
| public String dotString() { |
| return toString().replaceAll("_", "."); |
| } |
| |
| /** |
| * Name of graph type with spaces, like "vertex id" or "vertex value" |
| * |
| * @return name space string |
| */ |
| public String spaceString() { |
| return toString().replaceAll("_", " "); |
| } |
| |
| /** |
| * Get class set by user for this option |
| * |
| * @param <T> writable type |
| * @param conf Configuration |
| * @return Class for graph type |
| */ |
| public abstract <T extends Writable> Class<T> get( |
| ImmutableClassesGiraphConfiguration conf); |
| |
| /** |
| * Get factory for creating this graph type |
| * |
| * @param <T> writable type |
| * @param conf Configuration |
| * @return Factory for this graph type |
| */ |
| public abstract <T extends Writable> ValueFactory<T> factory( |
| ImmutableClassesGiraphConfiguration conf); |
| |
| /** |
| * Get the option for the factory that creates this graph type |
| * |
| * @param <T> writable type |
| * @return Factory class option |
| */ |
| public abstract <T extends ValueFactory> ClassConfOption<T> |
| factoryClassOption(); |
| |
| /** |
| * Get the class option for this graph type |
| * |
| * @param <T> writable type |
| * @return ClassConfOption option |
| */ |
| public abstract <T extends Writable> ClassConfOption<T> writableConfOption(); |
| |
| /** |
| * Get interface class (Writable or WritableComparable) for this graph type |
| * |
| * @param <T> writable type |
| * @return interface Writable class |
| */ |
| public <T extends Writable> Class<T> interfaceClass() { |
| return this.<T>writableConfOption().getInterfaceClass(); |
| } |
| |
| /** |
| * Get class set by user for this option |
| * |
| * @param <T> writable type |
| * @param conf Configuration |
| * @return Class for graph type |
| */ |
| public <T extends Writable> Class<? extends T> get(Configuration conf) { |
| if (conf instanceof ImmutableClassesGiraphConfiguration) { |
| ImmutableClassesGiraphConfiguration icgc = |
| (ImmutableClassesGiraphConfiguration) conf; |
| return get(icgc); |
| } |
| return this.<T>writableConfOption().get(conf); |
| } |
| |
| /** |
| * Create a new instance of this value type from configuration |
| * |
| * @param <T> writable type |
| * @param conf {@link ImmutableClassesGiraphConfiguration} |
| * @return new instance of this graph value type |
| */ |
| public <T extends Writable> T newInstance( |
| ImmutableClassesGiraphConfiguration conf) { |
| return (T) factory(conf).newInstance(); |
| } |
| } |