| /* |
| * 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.common.dataflow; |
| |
| import java.nio.ByteBuffer; |
| |
| import edu.uci.ics.hyracks.api.context.IHyracksTaskContext; |
| import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider; |
| import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor; |
| import edu.uci.ics.hyracks.api.exceptions.HyracksDataException; |
| import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAccessor; |
| import edu.uci.ics.hyracks.dataflow.std.base.AbstractUnaryInputSinkOperatorNodePushable; |
| import edu.uci.ics.hyracks.storage.am.common.api.IIndex; |
| import edu.uci.ics.hyracks.storage.am.common.api.IIndexBulkLoader; |
| import edu.uci.ics.hyracks.storage.am.common.api.IIndexDataflowHelper; |
| import edu.uci.ics.hyracks.storage.am.common.api.IndexException; |
| import edu.uci.ics.hyracks.storage.am.common.tuples.PermutingFrameTupleReference; |
| |
| public class IndexBulkLoadOperatorNodePushable extends AbstractUnaryInputSinkOperatorNodePushable { |
| private final IIndexOperatorDescriptor opDesc; |
| private final IHyracksTaskContext ctx; |
| private final float fillFactor; |
| private final boolean verifyInput; |
| private final long numElementsHint; |
| private final IIndexDataflowHelper indexHelper; |
| private FrameTupleAccessor accessor; |
| private IIndex index; |
| private IIndexBulkLoader bulkLoader; |
| private IRecordDescriptorProvider recDescProvider; |
| private PermutingFrameTupleReference tuple = new PermutingFrameTupleReference(); |
| |
| public IndexBulkLoadOperatorNodePushable(IIndexOperatorDescriptor opDesc, IHyracksTaskContext ctx, int partition, |
| int[] fieldPermutation, float fillFactor, boolean verifyInput, long numElementsHint, |
| IRecordDescriptorProvider recordDescProvider) { |
| this.opDesc = opDesc; |
| this.ctx = ctx; |
| this.indexHelper = opDesc.getIndexDataflowHelperFactory().createIndexDataflowHelper(opDesc, ctx, partition); |
| this.fillFactor = fillFactor; |
| this.verifyInput = verifyInput; |
| this.numElementsHint = numElementsHint; |
| this.recDescProvider = recordDescProvider; |
| tuple.setFieldPermutation(fieldPermutation); |
| } |
| |
| @Override |
| public void open() throws HyracksDataException { |
| RecordDescriptor recDesc = recDescProvider.getInputRecordDescriptor(opDesc.getActivityId(), 0); |
| accessor = new FrameTupleAccessor(ctx.getFrameSize(), recDesc); |
| indexHelper.open(); |
| index = indexHelper.getIndexInstance(); |
| try { |
| bulkLoader = index.createBulkLoader(fillFactor, verifyInput, numElementsHint); |
| } catch (Exception e) { |
| indexHelper.close(); |
| throw new HyracksDataException(e); |
| } |
| } |
| |
| @Override |
| public void nextFrame(ByteBuffer buffer) throws HyracksDataException { |
| accessor.reset(buffer); |
| int tupleCount = accessor.getTupleCount(); |
| for (int i = 0; i < tupleCount; i++) { |
| tuple.reset(accessor, i); |
| try { |
| bulkLoader.add(tuple); |
| } catch (IndexException e) { |
| throw new HyracksDataException(e); |
| } |
| } |
| } |
| |
| @Override |
| public void close() throws HyracksDataException { |
| try { |
| bulkLoader.end(); |
| } catch (Exception e) { |
| throw new HyracksDataException(e); |
| } finally { |
| indexHelper.close(); |
| } |
| } |
| |
| @Override |
| public void fail() throws HyracksDataException { |
| } |
| } |