/**
 * Copyright 2017 IBM Corp. All Rights Reserved.
 *
 * 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.ibm.watson.developer_cloud.service.model;

import com.ibm.watson.developer_cloud.util.GsonSingleton;

/**
 * Abstract model class to provide a default toString() method in model classes.
 */
public abstract class GenericModel {

  /*
   * (non-Javadoc)
   *
   * @see java.lang.Object#equals(java.lang.Object)
   */
  @Override
  public boolean equals(Object o) {
    if (this == o) {
      return true;
    }
    if ((o == null) || (getClass() != o.getClass())) {
      return false;
    }

    final GenericModel other = (GenericModel) o;

    return toString().equals(other.toString());
  }

  /*
   * (non-Javadoc)
   *
   * @see java.lang.Object#hashCode()
   */
  @Override
  public int hashCode() {
    return toString().hashCode();
  }

  /*
   * (non-Javadoc)
   *
   * @see java.lang.Object#toString()
   */
  @Override
  public String toString() {
    return GsonSingleton.getGson().toJson(this);
  }
}
