/*
* 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.transaction.lock;
import io.hops.exception.StorageException;
import io.hops.exception.TransactionContextException;
import io.hops.metadata.hdfs.entity.INodeIdentifier;
import io.hops.transaction.EntityManager;
import org.apache.hadoop.hdfs.server.namenode.INode;
import java.io.IOException;
import java.util.Collection;
import java.util.List;
public class BatchedINodeLock extends BaseINodeLock {
private final List<INodeIdentifier> inodeIdentifiers;
private int[] inodeIds;
public BatchedINodeLock(List<INodeIdentifier> inodeIdentifiers) {
this.inodeIdentifiers = inodeIdentifiers;
inodeIds = new int[inodeIdentifiers.size()];
}
@Override
protected void acquire(TransactionLocks locks) throws IOException {
if (inodeIdentifiers != null && !inodeIdentifiers.isEmpty()) {
String[] names = new String[inodeIdentifiers.size()];
int[] parentIds = new int[inodeIdentifiers.size()];
int[] partitionIds = new int[inodeIdentifiers.size()];
for (int i = 0; i < inodeIdentifiers.size(); i++) {
INodeIdentifier inodeIdentifier = inodeIdentifiers.get(i);
names[i] = inodeIdentifier.getName();
parentIds[i] = inodeIdentifier.getPid();
partitionIds[i] = inodeIdentifier.getPartitionId();
inodeIds[i] = inodeIdentifier.getInodeId();
}
find(DEFAULT_INODE_LOCK_TYPE, names, parentIds,partitionIds, false);
} else {
throw new StorageException(
"INodeIdentifier object is not properly initialized ");
}
}
int[] getINodeIds() {
return inodeIds;
}
}