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/*
 * Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH
 * under one or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information regarding copyright
 * ownership. Camunda licenses this file to you under the Apache License,
 * Version 2.0; 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.camunda.bpm.engine.impl;

import java.util.HashMap;
import java.util.Map;


/**
 * @author Tom Baeyens
 */
public class Direction {

  private static final Map directions = new HashMap();

  public static final Direction ASCENDING = new Direction("asc");
  public static final Direction DESCENDING = new Direction("desc");
  
  private String name;
  
  public Direction(String name) {
    this.name = name;
    directions.put(name, this);
  }

  public String getName() {
    return name;
  }

  public String toString() {
    return "Direction["
      + "name=" + name
      + "]";
  }

  public static Direction findByName(String directionName) {
    return directions.get(directionName);
  }
}