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/*
 * Copyright DataStax, Inc.
 *
 * This software can be used solely with DataStax Enterprise. Please consult the license at
 * http://www.datastax.com/terms/datastax-dse-driver-license-terms
 */
package com.datastax.driver.core.exceptions;

import com.datastax.driver.core.ConsistencyLevel;
import com.datastax.driver.core.EndPoint;
import com.datastax.driver.core.WriteType;

/** A Cassandra timeout during a write query. */
public class WriteTimeoutException extends QueryConsistencyException {

  private static final long serialVersionUID = 0;

  private final WriteType writeType;

  /**
   * This constructor should only be used internally by the driver when decoding error responses.
   */
  public WriteTimeoutException(
      ConsistencyLevel consistency, WriteType writeType, int received, int required) {
    this(null, consistency, writeType, received, required);
  }

  public WriteTimeoutException(
      EndPoint endPoint,
      ConsistencyLevel consistency,
      WriteType writeType,
      int received,
      int required) {
    super(
        endPoint,
        String.format(
            "Cassandra timeout during %s write query at consistency %s "
                + "(%d replica were required but only %d acknowledged the write)",
            writeType, consistency, required, received),
        consistency,
        received,
        required);
    this.writeType = writeType;
  }

  private WriteTimeoutException(
      EndPoint endPoint,
      String msg,
      Throwable cause,
      ConsistencyLevel consistency,
      WriteType writeType,
      int received,
      int required) {
    super(endPoint, msg, cause, consistency, received, required);
    this.writeType = writeType;
  }

  /**
   * The type of the write for which a timeout was raised.
   *
   * @return the type of the write for which a timeout was raised.
   */
  public WriteType getWriteType() {
    return writeType;
  }

  @Override
  public WriteTimeoutException copy() {
    return new WriteTimeoutException(
        getEndPoint(),
        getMessage(),
        this,
        getConsistencyLevel(),
        getWriteType(),
        getReceivedAcknowledgements(),
        getRequiredAcknowledgements());
  }

  /**
   * Create a copy of this exception with a nicer stack trace, and including the coordinator address
   * that caused this exception to be raised.
   *
   * This method is mainly intended for internal use by the driver and exists mainly because:
   *
   * 

   *   the original exception was decoded from a response frame and at that time, the
   *       coordinator address was not available; and
   *   
the newly-created exception will refer to the current thread in its stack trace, which
   *       generally yields a more user-friendly stack trace that the original one.
   * 
   *
   * @param address The full address of the host that caused this exception to be thrown.
   * @return a copy/clone of this exception, but with the given host address instead of the original
   *     one.
   */
  public WriteTimeoutException copy(EndPoint address) {
    return new WriteTimeoutException(
        address,
        getMessage(),
        this,
        getConsistencyLevel(),
        getWriteType(),
        getReceivedAcknowledgements(),
        getRequiredAcknowledgements());
  }
}