/**
* 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.RetryLoop;
import org.apache.curator.TimeTrace;
import org.apache.curator.framework.api.Pathable;
import org.apache.curator.framework.api.StatPathable;
import org.apache.curator.framework.api.TempGetDataBuilder;
import org.apache.zookeeper.data.Stat;
import java.util.concurrent.Callable;
class TempGetDataBuilderImpl implements TempGetDataBuilder
{
private final CuratorFrameworkImpl client;
private Stat responseStat;
private boolean decompress;
TempGetDataBuilderImpl(CuratorFrameworkImpl client)
{
this.client = client;
responseStat = null;
decompress = false;
}
@Override
public StatPathable<byte[]> decompressed()
{
decompress = true;
return this;
}
@Override
public Pathable<byte[]> storingStatIn(Stat stat)
{
responseStat = stat;
return this;
}
@Override
public byte[] forPath(String path) throws Exception
{
final String localPath = client.fixForNamespace(path);
TimeTrace trace = client.getZookeeperClient().startTracer("GetDataBuilderImpl-Foreground");
byte[] responseData = RetryLoop.callWithRetry
(
client.getZookeeperClient(),
new Callable<byte[]>()
{
@Override
public byte[] call() throws Exception
{
return client.getZooKeeper().getData(localPath, false, responseStat);
}
}
);
trace.commit();
return decompress ? client.getCompressionProvider().decompress(path, responseData) : responseData;
}
}