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/*
* 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");
}