/*
* Copyright © 2016 Cask Data, 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 co.cask.cdap.data2.transaction;
import co.cask.tephra.InvalidTruncateTimeException;
import co.cask.tephra.Transaction;
import co.cask.tephra.TransactionCouldNotTakeSnapshotException;
import co.cask.tephra.TransactionNotInProgressException;
import co.cask.tephra.TransactionSystemClient;
import com.google.common.util.concurrent.AbstractIdleService;
import com.google.inject.Inject;
import java.io.InputStream;
import java.util.Collection;
import java.util.Set;
/**
* Delegates all transaction methods to a TransactionSystemClient and does nothing during startup and shutdown.
*/
public class DelegatingTransactionSystemClientService
extends AbstractIdleService implements TransactionSystemClientService {
private final TransactionSystemClient delegate;
@Inject
public DelegatingTransactionSystemClientService(TransactionSystemClient delegate) {
this.delegate = delegate;
}
@Override
public Transaction startShort() {
return delegate.startShort();
}
@Override
public Transaction startShort(int timeout) {
return delegate.startShort(timeout);
}
@Override
public Transaction startLong() {
return delegate.startLong();
}
@Override
public boolean canCommit(Transaction tx, Collection<byte[]> changeIds) throws TransactionNotInProgressException {
return delegate.canCommit(tx, changeIds);
}
@Override
public boolean commit(Transaction tx) throws TransactionNotInProgressException {
return delegate.commit(tx);
}
@Override
public void abort(Transaction tx) {
delegate.abort(tx);
}
@Override
public boolean invalidate(long tx) {
return delegate.invalidate(tx);
}
@Override
public Transaction checkpoint(Transaction tx) throws TransactionNotInProgressException {
return delegate.checkpoint(tx);
}
@Override
public InputStream getSnapshotInputStream() throws TransactionCouldNotTakeSnapshotException {
return delegate.getSnapshotInputStream();
}
@Override
public String status() {
return delegate.status();
}
@Override
public void resetState() {
delegate.resetState();
}
@Override
public boolean truncateInvalidTx(Set<Long> invalidTxIds) {
return delegate.truncateInvalidTx(invalidTxIds);
}
@Override
public boolean truncateInvalidTxBefore(long time) throws InvalidTruncateTimeException {
return delegate.truncateInvalidTxBefore(time);
}
@Override
public int getInvalidSize() {
return delegate.getInvalidSize();
}
@Override
protected void startUp() throws Exception {
// no-op
}
@Override
protected void shutDown() throws Exception {
// no-op
}
}