/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.curator.framework.imps;
import org.apache.curator.TimeTrace;
import org.apache.curator.framework.api.BackgroundCallback;
import org.apache.curator.framework.api.CuratorEvent;
import org.apache.curator.framework.api.CuratorEventType;
import org.apache.curator.framework.api.Pathable;
import org.apache.curator.framework.api.SyncBuilder;
import org.apache.zookeeper.AsyncCallback;
import java.util.concurrent.Executor;
public class SyncBuilderImpl implements SyncBuilder, BackgroundOperation<String>
{
private final CuratorFrameworkImpl client;
private Backgrounding backgrounding = new Backgrounding();
public SyncBuilderImpl(CuratorFrameworkImpl client)
{
//To change body of created methods use File | Settings | File Templates.
this.client = client;
}
@Override
public Pathable<Void> inBackground()
{
// NOP always in background
return this;
}
@Override
public Pathable<Void> inBackground(Object context)
{
backgrounding = new Backgrounding(context);
return this;
}
@Override
public Pathable<Void> inBackground(BackgroundCallback callback)
{
backgrounding = new Backgrounding(callback);
return this;
}
@Override
public Pathable<Void> inBackground(BackgroundCallback callback, Object context)
{
backgrounding = new Backgrounding(callback, context);
return this;
}
@Override
public Pathable<Void> inBackground(BackgroundCallback callback, Executor executor)
{
backgrounding = new Backgrounding(callback, executor);
return this;
}
@Override
public Pathable<Void> inBackground(BackgroundCallback callback, Object context, Executor executor)
{
backgrounding = new Backgrounding(client, callback, context, executor);
return this;
}
@Override
public void performBackgroundOperation(final OperationAndData<String> operationAndData) throws Exception
{
final TimeTrace trace = client.getZookeeperClient().startTracer("SyncBuilderImpl-Background");
final String path = operationAndData.getData();
String adjustedPath = client.fixForNamespace(path);
AsyncCallback.VoidCallback voidCallback = new AsyncCallback.VoidCallback()
{
@Override
public void processResult(int rc, String path, Object ctx)
{
trace.commit();
CuratorEvent event = new CuratorEventImpl(client, CuratorEventType.SYNC, rc, path, path, ctx, null, null, null, null, null);
client.processBackgroundOperation(operationAndData, event);
}
};
client.getZooKeeper().sync(adjustedPath, voidCallback, backgrounding.getContext());
}
@Override
public Void forPath(String path) throws Exception
{
OperationAndData<String> operationAndData = new OperationAndData<String>(this, path, backgrounding.getCallback(), null);
client.processBackgroundOperation(operationAndData, null);
return null;
}
}