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pring Data Neo4j Wrapper for the Neo4j REST API, provides a Graph Database proxy for the remote invocation.

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/**
 * Copyright (c) 2002-2013 "Neo Technology,"
 * Network Engine for Objects in Lund AB [http://neotechnology.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see .
 */
package org.neo4j.rest.graphdb.traversal;

import org.neo4j.graphdb.Direction;

public enum RestDirection {
    INCOMING( Direction.INCOMING, "incoming", "in" ),
    OUTGOING( Direction.OUTGOING, "outgoing", "out" ),
    BOTH( Direction.BOTH, "all", "all" );

    public final Direction direction;
    public final String longName;
    public final String shortName;

    RestDirection( Direction direction, String longName, String shortName ) {
        this.direction = direction;
        this.longName = longName;
        this.shortName = shortName;
    }

    public static RestDirection from( Direction direction ) {
        if (direction == null) return BOTH;
        for ( RestDirection restDirection : values() ) {
            if ( restDirection.direction == direction ) return restDirection;
        }
        throw new RuntimeException( "No Rest-Direction for " + direction );
    }
}