com.datastax.driver.core.policies.IdentityTranslator Maven / Gradle / Ivy

/*
 * Copyright DataStax, Inc.
 *
 * 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.datastax.driver.core.policies;

import com.datastax.driver.core.Cluster;
import java.net.InetSocketAddress;

/** The default {@link AddressTranslator} used by the driver that do no translation. */
public class IdentityTranslator implements AddressTranslator {

  @Override
  public void init(Cluster cluster) {
    // Nothing to do
  }

  /**
   * Translates a Cassandra {@code rpc_address} to another address if necessary.
   *
   * This method is the identity function, it always return the address passed in argument, doing
   * no translation.
   *
   * @param address the address of a node as returned by Cassandra.
   * @return {@code address} unmodified.
   */
  @Override
  public InetSocketAddress translate(InetSocketAddress address) {
    return address;
  }

  @Override
  public void close() {}
}