content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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 org.apache.carbondata.events;
  
  /**
   * Event listener interface which describes the possible events
   */
  public abstract class OperationEventListener {
  
    /**
     * Called on a specified event occurrence
     *
     * @param event
     * @param operationContext
     */
    protected abstract void onEvent(Event event, OperationContext operationContext);
  
    @Override
    public boolean equals(Object obj) {
      if (obj == null || !(obj instanceof OperationEventListener)) {
        return false;
      }
      return getComparisonName().equals(((OperationEventListener) obj).getComparisonName());
    }
  
    private String getComparisonName() {
      return getClass().getName();
    }
  
    @Override
    public int hashCode() {
      return getClass().hashCode();
    }
  }
  