/*
* The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
* (the "License"). You may not use this work except in compliance with the License, which is
* available at www.apache.org/licenses/LICENSE-2.0
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
* either express or implied, as more fully set forth in the License.
*
* See the NOTICE file distributed with this work for information regarding copyright ownership.
*/
package alluxio.master.journal;
import alluxio.proto.journal.Journal.JournalEntry;
import javax.annotation.concurrent.ThreadSafe;
/**
* Noop version of JournalContext.
*/
@ThreadSafe
public final class NoopJournalContext implements JournalContext {
public static final NoopJournalContext INSTANCE = new NoopJournalContext();
/**
* Constructs the {@link NoopJournalContext}.
*/
public NoopJournalContext() {
// Do nothing
}
@Override
public void append(JournalEntry entry) {
// Do nothing
}
@Override
public long getFlushCounter() {
return -1;
}
@Override
public void close() {
// Do nothing
}
}