| /* |
| * Copyright 2009-2013 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.IOperatorDescriptorRegistry; |
| import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider; |
| import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider; |
| import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallbackFactory; |
| import edu.uci.ics.hyracks.storage.am.common.dataflow.AbstractTreeIndexOperatorDescriptor; |
| import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory; |
| import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory; |
| import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface; |
| import edu.uci.ics.hyracks.storage.common.file.NoOpLocalResourceFactoryProvider; |
| |
| public class BTreeSearchOperatorDescriptor extends AbstractTreeIndexOperatorDescriptor { |
| |
| private static final long serialVersionUID = 1L; |
| |
| protected final int[] lowKeyFields; |
| protected final int[] highKeyFields; |
| protected final boolean lowKeyInclusive; |
| protected final boolean highKeyInclusive; |
| |
| public BTreeSearchOperatorDescriptor(IOperatorDescriptorRegistry spec, RecordDescriptor recDesc, |
| IStorageManagerInterface storageManager, IIndexLifecycleManagerProvider lifecycleManagerProvider, |
| IFileSplitProvider fileSplitProvider, ITypeTraits[] typeTraits, |
| IBinaryComparatorFactory[] comparatorFactories, int[] bloomFilterKeyFields, int[] lowKeyFields, |
| int[] highKeyFields, boolean lowKeyInclusive, boolean highKeyInclusive, |
| IIndexDataflowHelperFactory dataflowHelperFactory, boolean retainInput, |
| ISearchOperationCallbackFactory searchOpCallbackProvider) { |
| super(spec, 1, 1, recDesc, storageManager, lifecycleManagerProvider, fileSplitProvider, typeTraits, |
| comparatorFactories, bloomFilterKeyFields, dataflowHelperFactory, null, retainInput, |
| NoOpLocalResourceFactoryProvider.INSTANCE, searchOpCallbackProvider, |
| NoOpOperationCallbackFactory.INSTANCE); |
| 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, lowKeyFields, |
| highKeyFields, lowKeyInclusive, highKeyInclusive); |
| } |
| } |