| /* |
| * Copyright 2009-2010 by The Regents of the University of California |
| * 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 from |
| * |
| * 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 edu.uci.ics.hyracks.dataflow.std.file; |
| |
| import java.io.FileNotFoundException; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.nio.ByteBuffer; |
| |
| import edu.uci.ics.hyracks.api.context.IHyracksTaskContext; |
| import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable; |
| import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider; |
| import edu.uci.ics.hyracks.api.exceptions.HyracksDataException; |
| import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry; |
| import edu.uci.ics.hyracks.dataflow.std.base.AbstractSingleActivityOperatorDescriptor; |
| import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputSinkOperatorNodePushable; |
| |
| public class FrameFileWriterOperatorDescriptor extends AbstractSingleActivityOperatorDescriptor { |
| private static final long serialVersionUID = 1L; |
| |
| private IFileSplitProvider fileSplitProvider; |
| |
| public FrameFileWriterOperatorDescriptor(IOperatorDescriptorRegistry spec, IFileSplitProvider fileSplitProvider) { |
| super(spec, 1, 0); |
| this.fileSplitProvider = fileSplitProvider; |
| } |
| |
| @Override |
| public IOperatorNodePushable createPushRuntime(IHyracksTaskContext ctx, |
| IRecordDescriptorProvider recordDescProvider, final int partition, int nPartitions) { |
| final FileSplit[] splits = fileSplitProvider.getFileSplits(); |
| return new AbstractUnaryInputSinkOperatorNodePushable() { |
| private OutputStream out; |
| |
| @Override |
| public void open() throws HyracksDataException { |
| try { |
| out = new FileOutputStream(splits[partition].getLocalFile().getFile()); |
| } catch (FileNotFoundException e) { |
| throw new HyracksDataException(e); |
| } |
| } |
| |
| @Override |
| public void nextFrame(ByteBuffer buffer) throws HyracksDataException { |
| try { |
| out.write(buffer.array()); |
| } catch (IOException e) { |
| throw new HyracksDataException(e); |
| } |
| } |
| |
| @Override |
| public void fail() throws HyracksDataException { |
| } |
| |
| @Override |
| public void close() throws HyracksDataException { |
| try { |
| out.close(); |
| } catch (IOException e) { |
| throw new HyracksDataException(e); |
| } |
| } |
| }; |
| } |
| } |