/*
* 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.adaptor;
import io.hops.exception.StorageException;
import io.hops.metadata.DalAdaptor;
import io.hops.metadata.hdfs.dal.ReplicaUnderConstructionDataAccess;
import io.hops.metadata.hdfs.entity.ReplicaUnderConstruction;
import org.apache.hadoop.hdfs.server.common.HdfsServerConstants;
import java.util.Collection;
import java.util.List;
public class ReplicaUnderConstructionDALAdaptor extends
DalAdaptor<org.apache.hadoop.hdfs.server.blockmanagement.ReplicaUnderConstruction, ReplicaUnderConstruction>
implements
ReplicaUnderConstructionDataAccess<org.apache.hadoop.hdfs.server.blockmanagement.ReplicaUnderConstruction> {
private final ReplicaUnderConstructionDataAccess<ReplicaUnderConstruction>
dataAccces;
public ReplicaUnderConstructionDALAdaptor(
ReplicaUnderConstructionDataAccess<ReplicaUnderConstruction> dataAccess) {
this.dataAccces = dataAccess;
}
@Override
public List<org.apache.hadoop.hdfs.server.blockmanagement.ReplicaUnderConstruction> findReplicaUnderConstructionByINodeId(
int inodeId) throws StorageException {
return (List<org.apache.hadoop.hdfs.server.blockmanagement.ReplicaUnderConstruction>) convertDALtoHDFS(
dataAccces.findReplicaUnderConstructionByINodeId(inodeId));
}
@Override
public List<org.apache.hadoop.hdfs.server.blockmanagement.ReplicaUnderConstruction> findReplicaUnderConstructionByINodeIds(
int[] inodeIds) throws StorageException {
return (List<org.apache.hadoop.hdfs.server.blockmanagement.ReplicaUnderConstruction>) convertDALtoHDFS(
dataAccces.findReplicaUnderConstructionByINodeIds(inodeIds));
}
@Override
public List<org.apache.hadoop.hdfs.server.blockmanagement.ReplicaUnderConstruction> findReplicaUnderConstructionByBlockId(
long blockId, int inodeId) throws StorageException {
return (List<org.apache.hadoop.hdfs.server.blockmanagement.ReplicaUnderConstruction>) convertDALtoHDFS(
dataAccces.findReplicaUnderConstructionByBlockId(blockId, inodeId));
}
@Override
public void prepare(
Collection<org.apache.hadoop.hdfs.server.blockmanagement.ReplicaUnderConstruction> removed,
Collection<org.apache.hadoop.hdfs.server.blockmanagement.ReplicaUnderConstruction> newed,
Collection<org.apache.hadoop.hdfs.server.blockmanagement.ReplicaUnderConstruction> modified)
throws StorageException {
dataAccces.prepare(convertHDFStoDAL(removed), convertHDFStoDAL(newed),
convertHDFStoDAL(modified));
}
@Override
public ReplicaUnderConstruction convertHDFStoDAL(
org.apache.hadoop.hdfs.server.blockmanagement.ReplicaUnderConstruction hdfsClass)
throws StorageException {
if (hdfsClass != null) {
return new ReplicaUnderConstruction(hdfsClass.getState().ordinal(),
hdfsClass.getStorageId(), hdfsClass.getBlockId(),
hdfsClass.getInodeId());
} else {
return null;
}
}
@Override
public org.apache.hadoop.hdfs.server.blockmanagement.ReplicaUnderConstruction convertDALtoHDFS(
ReplicaUnderConstruction dalClass) throws StorageException {
if (dalClass != null) {
return new org.apache.hadoop.hdfs.server.blockmanagement.ReplicaUnderConstruction(
HdfsServerConstants.ReplicaState.values()[dalClass.getState()],
dalClass.getStorageId(), dalClass.getBlockId(), dalClass.getInodeId());
} else {
return null;
}
}
}