| /* |
| * 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.tinkerpop.gremlin.process.traversal; |
| |
| import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversal; |
| import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource; |
| import org.apache.tinkerpop.gremlin.structure.Graph; |
| import org.apache.tinkerpop.gremlin.structure.io.GraphReader; |
| import org.apache.tinkerpop.gremlin.structure.io.GraphWriter; |
| import org.apache.tinkerpop.gremlin.structure.io.IoRegistry; |
| import org.apache.tinkerpop.gremlin.structure.io.graphml.GraphMLReader; |
| import org.apache.tinkerpop.gremlin.structure.io.graphml.GraphMLWriter; |
| import org.apache.tinkerpop.gremlin.structure.io.graphson.GraphSONReader; |
| import org.apache.tinkerpop.gremlin.structure.io.graphson.GraphSONWriter; |
| import org.apache.tinkerpop.gremlin.structure.io.gryo.GryoReader; |
| import org.apache.tinkerpop.gremlin.structure.io.gryo.GryoWriter; |
| |
| /** |
| * Fields that can be provided to the {@link GraphTraversalSource#io(String)} using the |
| * {@link GraphTraversal#with(String,Object)} step modulator to provide additional configurations. |
| * |
| * @author Stephen Mallette (http://stephen.genoprime.com) |
| */ |
| public class IO { |
| |
| private IO() {} |
| |
| /** |
| * A value to supply to {@link IO#reader} or {@link IO#writer} to indicate the format to use. Using this shorthand |
| * will configure a default {@link GraphSONReader} or {@link GraphSONWriter} respectively, |
| */ |
| public static final String graphson = "graphson"; |
| |
| /** |
| * A value to supply to {@link IO#reader} or {@link IO#writer} to indicate the format to use. Using this shorthand |
| * will configure a default {@link GryoReader} or {@link GryoWriter} respectively, |
| */ |
| public static final String gryo = "gryo"; |
| |
| /** |
| * A value to supply to {@link IO#reader} or {@link IO#writer} to indicate the format to use. Using this shorthand |
| * will configure a default {@link GraphMLReader} or {@link GraphMLWriter} respectively, |
| */ |
| public static final String graphml = "graphml"; |
| |
| /** |
| * The specific {@link GraphReader} instance to use, the name of the fully qualified classname of such an |
| * instance or one of {@link IO#graphson}, {@link IO#gryo} or {@link IO#graphml}. If this value is not specified |
| * then {@link GraphTraversalSource#io(String)} will attempt to construct a default {@link GraphReader} based on |
| * the file extension provided to it. |
| */ |
| public static final String reader = Graph.Hidden.hide("tinkerpop.io.reader"); |
| |
| /** |
| * The specific {@link GraphWriter} instance to use, the name of the fully qualified classname of such an |
| * instance or one of {@link IO#graphson}, {@link IO#gryo} or {@link IO#graphml}. If this value is not specified |
| * then {@link GraphTraversalSource#io(String)} will attempt to construct a default {@link GraphWriter} based on |
| * the file extension provided to it. |
| */ |
| public static final String writer = Graph.Hidden.hide("tinkerpop.io.writer"); |
| |
| /** |
| * A key that identifies the fully qualified class names of {@link IoRegistry} instances to use. May be specified |
| * multiple times (i.e. once for each registry) using the {@link GraphTraversal#with(String, Object)} modulator. |
| */ |
| public static final String registry = Graph.Hidden.hide("tinkerpop.io.registry"); |
| } |