| /* |
| * 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.storage.am.btree.dataflow; |
| |
| import edu.uci.ics.hyracks.api.context.IHyracksTaskContext; |
| import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable; |
| import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory; |
| import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider; |
| import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits; |
| import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor; |
| import edu.uci.ics.hyracks.api.job.JobSpecification; |
| import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider; |
| import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory; |
| import edu.uci.ics.hyracks.storage.am.common.dataflow.AbstractTreeIndexOperatorDescriptor; |
| import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndex; |
| import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory; |
| import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexRegistryProvider; |
| import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface; |
| |
| public class BTreeSearchOperatorDescriptor extends AbstractTreeIndexOperatorDescriptor { |
| |
| private static final long serialVersionUID = 1L; |
| |
| protected boolean isForward; |
| protected int[] lowKeyFields; // fields in input tuple to be used as low keys |
| protected int[] highKeyFields; // fields in input tuple to be used as high |
| // keys |
| protected boolean lowKeyInclusive; |
| protected boolean highKeyInclusive; |
| |
| public BTreeSearchOperatorDescriptor(JobSpecification spec, RecordDescriptor recDesc, |
| IStorageManagerInterface storageManager, IIndexRegistryProvider<IIndex> indexRegistryProvider, |
| IFileSplitProvider fileSplitProvider, ITreeIndexFrameFactory interiorFrameFactory, |
| ITreeIndexFrameFactory leafFrameFactory, ITypeTraits[] typeTraits, |
| IBinaryComparatorFactory[] comparatorFactories, boolean isForward, int[] lowKeyFields, int[] highKeyFields, |
| boolean lowKeyInclusive, boolean highKeyInclusive, IIndexDataflowHelperFactory dataflowHelperFactory) { |
| super(spec, 1, 1, recDesc, storageManager, indexRegistryProvider, fileSplitProvider, interiorFrameFactory, |
| leafFrameFactory, typeTraits, comparatorFactories, dataflowHelperFactory); |
| this.isForward = isForward; |
| this.lowKeyFields = lowKeyFields; |
| this.highKeyFields = highKeyFields; |
| this.lowKeyInclusive = lowKeyInclusive; |
| this.highKeyInclusive = highKeyInclusive; |
| } |
| |
| @Override |
| public IOperatorNodePushable createPushRuntime(final IHyracksTaskContext ctx, IRecordDescriptorProvider recordDescProvider, |
| int partition, int nPartitions) { |
| return new BTreeSearchOperatorNodePushable(this, ctx, partition, recordDescProvider, isForward, lowKeyFields, |
| highKeyFields, lowKeyInclusive, highKeyInclusive); |
| } |
| } |