/*
* Copyright 2012-2014 Continuuity, 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.continuuity.tephra.distributed;
import com.continuuity.tephra.Transaction;
import com.continuuity.tephra.distributed.thrift.TTransaction;
import com.google.common.collect.Lists;
import java.util.List;
/**
* Utility methods to convert to thrift and back.
*/
final class ConverterUtils {
public static TTransaction wrap(Transaction tx) {
List<Long> invalids = Lists.newArrayListWithCapacity(tx.getInvalids().length);
for (long txid : tx.getInvalids()) {
invalids.add(txid);
}
List<Long> inProgress = Lists.newArrayListWithCapacity(tx.getInProgress().length);
for (long txid : tx.getInProgress()) {
inProgress.add(txid);
}
return new TTransaction(tx.getWritePointer(), tx.getReadPointer(),
invalids, inProgress, tx.getFirstShortInProgress());
}
public static Transaction unwrap(TTransaction tx) {
long[] invalids = new long[tx.invalids.size()];
int i = 0;
for (Long txid : tx.invalids) {
invalids[i++] = txid;
}
long[] inProgress = new long[tx.inProgress.size()];
i = 0;
for (Long txid : tx.inProgress) {
inProgress[i++] = txid;
}
return new Transaction(tx.readPointer, tx.writePointer,
invalids, inProgress, tx.getFirstShort());
}
}