/*
* 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.facebook.presto.raptor.backup;
import io.airlift.log.Logger;
import org.weakref.jmx.Managed;
import org.weakref.jmx.Nested;
import java.io.File;
import java.util.UUID;
import static java.util.Objects.requireNonNull;
public class ManagedBackupStore
implements BackupStore
{
private final BackupStore store;
private final Logger log;
private final BackupOperationStats backupShard = new BackupOperationStats();
private final BackupOperationStats restoreShard = new BackupOperationStats();
private final BackupOperationStats deleteShard = new BackupOperationStats();
private final BackupOperationStats shardExists = new BackupOperationStats();
public ManagedBackupStore(BackupStore store)
{
this.store = requireNonNull(store, "store is null");
this.log = Logger.get(store.getClass());
}
@Override
public void backupShard(UUID uuid, File source)
{
log.debug("Creating shard backup: %s", uuid);
backupShard.run(() -> store.backupShard(uuid, source));
}
@Override
public void restoreShard(UUID uuid, File target)
{
log.debug("Restoring shard backup: %s", uuid);
restoreShard.run(() -> store.restoreShard(uuid, target));
}
@Override
public boolean deleteShard(UUID uuid)
{
log.debug("Deleting shard backup: %s", uuid);
return deleteShard.run(() -> store.deleteShard(uuid));
}
@Override
public boolean shardExists(UUID uuid)
{
return shardExists.run(() -> store.shardExists(uuid));
}
@Managed
@Nested
public BackupOperationStats getBackupShard()
{
return backupShard;
}
@Managed
@Nested
public BackupOperationStats getRestoreShard()
{
return restoreShard;
}
@Managed
@Nested
public BackupOperationStats getDeleteShard()
{
return deleteShard;
}
@Managed
@Nested
public BackupOperationStats getShardExists()
{
return shardExists;
}
}