/*
 * 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.hadoop.hdds.scm;

import java.util.List;
import org.apache.hadoop.hdds.protocol.DatanodeDetails;
import org.apache.hadoop.hdds.scm.container.ContainerInfo;

/**
 * Proxy class to validate the placement policy for different type
 * of containers.
 */
public class PlacementPolicyValidateProxy {
  private PlacementPolicy defaultPlacementPolicy;
  private PlacementPolicy ecPlacementPolicy;

  public PlacementPolicyValidateProxy(
      PlacementPolicy defaultPlacementPolicy,
      PlacementPolicy ecPlacementPolicy) {
    this.defaultPlacementPolicy = defaultPlacementPolicy;
    this.ecPlacementPolicy = ecPlacementPolicy;
  }

  public ContainerPlacementStatus validateContainerPlacement(
      List<DatanodeDetails> replicaList, ContainerInfo cInfo) {
    switch (cInfo.getReplicationType()) {
    case EC:
      return ecPlacementPolicy.validateContainerPlacement(
          replicaList, cInfo.getReplicationConfig().getRequiredNodes());
    default:
      return defaultPlacementPolicy.validateContainerPlacement(replicaList,
          cInfo.getReplicationConfig().getRequiredNodes());
    }
  }
}
