| /* |
| * 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.hyracks.dataflow.std.connectors; |
| |
| import java.util.BitSet; |
| |
| import org.apache.hyracks.api.comm.IFrameReader; |
| import org.apache.hyracks.api.comm.IFrameWriter; |
| import org.apache.hyracks.api.comm.IPartitionCollector; |
| import org.apache.hyracks.api.comm.IPartitionWriterFactory; |
| import org.apache.hyracks.api.context.IHyracksTaskContext; |
| import org.apache.hyracks.api.dataflow.value.IBinaryComparator; |
| import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory; |
| import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputer; |
| import org.apache.hyracks.api.dataflow.value.INormalizedKeyComputerFactory; |
| import org.apache.hyracks.api.dataflow.value.ITupleRangePartitionComputerFactory; |
| import org.apache.hyracks.api.dataflow.value.RecordDescriptor; |
| import org.apache.hyracks.api.exceptions.HyracksDataException; |
| import org.apache.hyracks.api.job.IConnectorDescriptorRegistry; |
| import org.apache.hyracks.dataflow.std.base.AbstractMToNConnectorDescriptor; |
| import org.apache.hyracks.dataflow.std.base.RangeId; |
| import org.apache.hyracks.dataflow.std.collectors.IPartitionBatchManager; |
| import org.apache.hyracks.dataflow.std.collectors.NonDeterministicPartitionBatchManager; |
| import org.apache.hyracks.dataflow.std.collectors.PartitionCollector; |
| import org.apache.hyracks.dataflow.std.collectors.SortMergeFrameReader; |
| import org.apache.hyracks.dataflow.std.misc.RangeForwardOperatorDescriptor.RangeForwardTaskState; |
| |
| public class MToNRangePartitionMergingConnectorDescriptor extends AbstractMToNConnectorDescriptor { |
| private static final long serialVersionUID = 1L; |
| |
| private final ITupleRangePartitionComputerFactory tprcf; |
| private final RangeId rangeId; |
| private final int[] sortFields; |
| private final IBinaryComparatorFactory[] comparatorFactories; |
| private final INormalizedKeyComputerFactory nkcFactory; |
| |
| public MToNRangePartitionMergingConnectorDescriptor(IConnectorDescriptorRegistry spec, |
| ITupleRangePartitionComputerFactory tprcf, RangeId rangeId, int[] sortFields, |
| IBinaryComparatorFactory[] comparatorFactories, INormalizedKeyComputerFactory nkcFactory) { |
| super(spec); |
| this.tprcf = tprcf; |
| this.rangeId = rangeId; |
| this.sortFields = sortFields; |
| this.comparatorFactories = comparatorFactories; |
| this.nkcFactory = nkcFactory; |
| } |
| |
| @Override |
| public IFrameWriter createPartitioner(IHyracksTaskContext ctx, RecordDescriptor recordDesc, |
| IPartitionWriterFactory edwFactory, int index, int nProducerPartitions, int nConsumerPartitions) |
| throws HyracksDataException { |
| return new PartitionRangeDataWriter(ctx, nConsumerPartitions, edwFactory, recordDesc, tprcf, rangeId); |
| } |
| |
| @Override |
| public IPartitionCollector createPartitionCollector(IHyracksTaskContext ctx, RecordDescriptor recordDesc, int index, |
| int nProducerPartitions, int nConsumerPartitions) throws HyracksDataException { |
| IBinaryComparator[] comparators = new IBinaryComparator[comparatorFactories.length]; |
| for (int i = 0; i < comparatorFactories.length; ++i) { |
| comparators[i] = comparatorFactories[i].createBinaryComparator(); |
| } |
| INormalizedKeyComputer nmkComputer = nkcFactory == null ? null : nkcFactory.createNormalizedKeyComputer(); |
| IPartitionBatchManager pbm = new NonDeterministicPartitionBatchManager(nProducerPartitions); |
| IFrameReader sortMergeFrameReader = new SortMergeFrameReader(ctx, nProducerPartitions, nProducerPartitions, |
| sortFields, comparators, nmkComputer, recordDesc, pbm); |
| BitSet expectedPartitions = new BitSet(); |
| expectedPartitions.set(0, nProducerPartitions); |
| return new PartitionCollector(ctx, getConnectorId(), index, expectedPartitions, sortMergeFrameReader, pbm); |
| } |
| } |