ResultStatus.java

/**
 * 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 com.datastax.drivers.jdbc.pool.cassandra;

import com.datastax.drivers.jdbc.pool.cassandra.connection.CassandraHost;

/**
 * Common interface for tracking the {@link CassandraHost} used
 * for the execution of the operation and how long that operation
 * took in micro seconds
 *
 * @author zznate
 */
public interface ResultStatus {

  /**
   * How long the operation took to execute in MICRO-seconds. Internally
   * this is usually the difference between two calls of {@link System#nanoTime()} 
   * divided by 1000
   * @return
   */
  long getExecutionTimeMicro();
  
  long getExecutionTimeNano();

  /**
   * The {@link CassandraHost} on which this operation
   * was successful
   */
  CassandraHost getHostUsed();
}