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/*
 * Copyright 2014 Effektif GmbH.
 *
 * Licensed 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 com.effektif.workflow.api.model;


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

  protected String internal;
  
  public Id() {
  }

  public Id(String internal) {
    this.internal = internal;
  }

  public String getInternal() {
    return this.internal;
  }
  
  @Override
  public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result + ((internal == null) ? 0 : internal.hashCode());
    return result;
  }
  
  @Override
  public boolean equals(Object obj) {
    if (this == obj)
      return true;
    if (obj == null)
      return false;
    if (getClass() != obj.getClass())
      return false;
    Id other = (Id) obj;
    if (internal == null) {
      if (other.internal != null)
        return false;
    } else if (!internal.equals(other.internal))
      return false;
    return true;
  }

  @Override
  public String toString() {
    return internal;
  }
}