| /* |
| * 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.common.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.job.IOperatorDescriptorRegistry; |
| import edu.uci.ics.hyracks.data.std.primitive.IntegerPointable; |
| 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.impls.NoOpOperationCallbackFactory; |
| import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface; |
| import edu.uci.ics.hyracks.storage.common.file.NoOpLocalResourceFactoryProvider; |
| |
| public class IndexDropOperatorDescriptor extends AbstractTreeIndexOperatorDescriptor { |
| |
| private static final long serialVersionUID = 1L; |
| |
| public IndexDropOperatorDescriptor(IOperatorDescriptorRegistry spec, IStorageManagerInterface storageManager, |
| IIndexLifecycleManagerProvider lifecycleManagerProvider, IFileSplitProvider fileSplitProvider, |
| IIndexDataflowHelperFactory dataflowHelperFactory) { |
| // TODO: providing the type traits below is a hack to allow: |
| // 1) Type traits not to be specified when creating the drop operator |
| // 2) The LSMRTreeDataflowHelper to get acceptable type traits |
| // This should eventually not be *hacked*, but I don't know the proper fix yet. -zheilbron |
| super(spec, 0, 0, null, storageManager, lifecycleManagerProvider, fileSplitProvider, new ITypeTraits[] { |
| IntegerPointable.TYPE_TRAITS, IntegerPointable.TYPE_TRAITS }, new IBinaryComparatorFactory[] { null }, |
| dataflowHelperFactory, null, false, NoOpLocalResourceFactoryProvider.INSTANCE, |
| NoOpOperationCallbackFactory.INSTANCE, NoOpOperationCallbackFactory.INSTANCE); |
| } |
| |
| @Override |
| public IOperatorNodePushable createPushRuntime(IHyracksTaskContext ctx, |
| IRecordDescriptorProvider recordDescProvider, int partition, int nPartitions) { |
| return new IndexDropOperatorNodePushable(this, ctx, partition); |
| } |
| } |