/*
 * Copyright (C) 2015 hops.io.
 *
 * 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 io.hops.metadata.hdfs.dal;

import io.hops.exception.StorageException;
import io.hops.metadata.common.EntityDataAccess;

import java.util.Collection;

public interface BlockLookUpDataAccess<T> extends EntityDataAccess {
  
  T findByBlockId(long blockId) throws StorageException;
  
  int[] findINodeIdsByBlockIds(long[] blockIds) throws StorageException;
  
  void prepare(Collection<T> modified, Collection<T> removed)
      throws StorageException;
}

/*
 * Copyright (C) 2015 hops.io.
 *
 * 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 io.hops.metadata.hdfs.dal;

import io.hops.exception.StorageException;
import io.hops.metadata.common.EntityDataAccess;

import java.util.Collection;
import java.util.List;
import java.util.Map;

public interface BlockLookUpDataAccess<T> extends EntityDataAccess {
  
  T findByBlockId(long blockId) throws StorageException;
  
  int[] findINodeIdsByBlockIds(long[] blockIds) throws StorageException;
  
  void prepare(Collection<T> modified, Collection<T> removed)
      throws StorageException;
  
  Map<Integer, List<Long>> getINodeIdsForBlockIds(final long[] blockIds) throws StorageException;
}

make the replicas removal more efficient.