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JPA Wrapper to manage local transaction.

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//
// Copyright (C) 2010-2016 Micromata 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 de.micromata.genome.jpa;

/**
 * Status of changes.
 * 
 * @author Roger Rene Kommer ([email protected])
 *
 */
public enum EntityCopyStatus
{
  /**
   * No changes
   */
  NONE(0),
  /**
   * Minor - business irrelevant - changes
   */
  MINOR(1),
  /**
   * Mayor changes.
   */
  MAJOR(2);

  private int status;

  private EntityCopyStatus(int status)
  {
    this.status = status;
  }

  public EntityCopyStatus combine(EntityCopyStatus other)
  {
    if (status < other.status) {
      return other;
    }
    return this;
  }
}