/*
* 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.storage;
import com.facebook.presto.raptor.RaptorSessionProperties;
import com.facebook.presto.spi.ConnectorSession;
import io.airlift.units.DataSize;
import javax.inject.Inject;
import static java.util.Objects.requireNonNull;
public class ReaderAttributes
{
private final DataSize maxMergeDistance;
private final DataSize maxReadSize;
private final DataSize streamBufferSize;
@Inject
public ReaderAttributes(StorageManagerConfig config)
{
this(config.getOrcMaxMergeDistance(), config.getOrcMaxReadSize(), config.getOrcStreamBufferSize());
}
public ReaderAttributes(DataSize maxMergeDistance, DataSize maxReadSize, DataSize streamBufferSize)
{
this.maxMergeDistance = requireNonNull(maxMergeDistance, "maxMergeDistance is null");
this.maxReadSize = requireNonNull(maxReadSize, "maxReadSize is null");
this.streamBufferSize = requireNonNull(streamBufferSize, "streamBufferSize is null");
}
public DataSize getMaxMergeDistance()
{
return maxMergeDistance;
}
public DataSize getMaxReadSize()
{
return maxReadSize;
}
public DataSize getStreamBufferSize()
{
return streamBufferSize;
}
public static ReaderAttributes from(ConnectorSession session)
{
return new ReaderAttributes(
RaptorSessionProperties.getReaderMaxMergeDistance(session),
RaptorSessionProperties.getReaderMaxReadSize(session),
RaptorSessionProperties.getReaderStreamBufferSize(session));
}
}