/*
* 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;
import com.facebook.presto.raptor.storage.ColumnFileHandle;
import com.facebook.presto.raptor.storage.LocalStorageManager;
import com.facebook.presto.raptor.util.CurrentNodeId;
import com.facebook.presto.spi.ConnectorOutputTableHandle;
import com.facebook.presto.spi.ConnectorRecordSinkProvider;
import com.facebook.presto.spi.RecordSink;
import com.google.common.base.Throwables;
import javax.inject.Inject;
import java.io.IOException;
import java.util.List;
import static com.facebook.presto.util.Types.checkType;
import static com.google.common.base.Preconditions.checkNotNull;
import static java.util.UUID.randomUUID;
public class RaptorRecordSinkProvider
implements ConnectorRecordSinkProvider
{
private final LocalStorageManager storageManager;
private final String nodeId;
@Inject
public RaptorRecordSinkProvider(LocalStorageManager storageManager, CurrentNodeId currentNodeId)
{
this(storageManager, currentNodeId.toString());
}
public RaptorRecordSinkProvider(LocalStorageManager storageManager, String nodeId)
{
this.storageManager = checkNotNull(storageManager, "storageManager is null");
this.nodeId = checkNotNull(nodeId, "nodeId is null");
}
@Override
public RecordSink getRecordSink(ConnectorOutputTableHandle tableHandle)
{
RaptorOutputTableHandle handle = checkType(tableHandle, RaptorOutputTableHandle.class, "tableHandle");
ColumnFileHandle fileHandle = createStagingFileHandle(handle.getColumnHandles());
return new RaptorRecordSink(nodeId, fileHandle, storageManager, handle.getColumnTypes(), handle.getSampleWeightColumnHandle());
}
private ColumnFileHandle createStagingFileHandle(List<RaptorColumnHandle> columnHandles)
{
try {
return storageManager.createStagingFileHandles(randomUUID(), columnHandles);
}
catch (IOException e) {
throw Throwables.propagate(e);
}
}
}