| /* |
| * 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.storage.am.lsm.common.dataflow; |
| |
| import java.nio.ByteBuffer; |
| |
| import org.apache.hyracks.api.context.IHyracksTaskContext; |
| import org.apache.hyracks.api.dataflow.value.ITuplePartitionerFactory; |
| import org.apache.hyracks.api.dataflow.value.RecordDescriptor; |
| import org.apache.hyracks.api.exceptions.HyracksDataException; |
| import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppender; |
| import org.apache.hyracks.dataflow.common.comm.util.FrameUtils; |
| import org.apache.hyracks.storage.am.common.api.IModificationOperationCallbackFactory; |
| import org.apache.hyracks.storage.am.common.api.ITupleFilterFactory; |
| import org.apache.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory; |
| import org.apache.hyracks.storage.am.common.dataflow.IndexInsertUpdateDeleteOperatorNodePushable; |
| import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation; |
| import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexAccessor; |
| import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexFrameWriter; |
| |
| public class LSMIndexInsertUpdateDeleteOperatorNodePushable extends IndexInsertUpdateDeleteOperatorNodePushable |
| implements ILSMIndexFrameWriter { |
| |
| protected FrameTupleAppender appender; |
| |
| @Override |
| public void open() throws HyracksDataException { |
| super.open(); |
| appender = new FrameTupleAppender(writeBuffer); |
| } |
| |
| public LSMIndexInsertUpdateDeleteOperatorNodePushable(IHyracksTaskContext ctx, int partition, |
| IIndexDataflowHelperFactory indexHelperFactory, int[] fieldPermutation, RecordDescriptor inputRecDesc, |
| IndexOperation op, IModificationOperationCallbackFactory modCallbackFactory, |
| ITupleFilterFactory tupleFilterFactory, ITuplePartitionerFactory tuplePartitionerFactory, |
| int[][] partitionsMap) throws HyracksDataException { |
| super(ctx, partition, indexHelperFactory, fieldPermutation, inputRecDesc, op, modCallbackFactory, |
| tupleFilterFactory, tuplePartitionerFactory, partitionsMap); |
| } |
| |
| @Override |
| public void nextFrame(ByteBuffer buffer) throws HyracksDataException { |
| accessor.reset(buffer); |
| int nextFlushTupleIndex = 0; |
| int tupleCount = accessor.getTupleCount(); |
| for (int i = 0; i < tupleCount; i++) { |
| try { |
| if (tupleFilter != null) { |
| frameTuple.reset(accessor, i); |
| if (!tupleFilter.accept(frameTuple)) { |
| continue; |
| } |
| } |
| tuple.reset(accessor, i); |
| |
| int storagePartition = tuplePartitioner.partition(accessor, i); |
| int storageIdx = storagePartitionId2Index.get(storagePartition); |
| ILSMIndexAccessor lsmAccessor = (ILSMIndexAccessor) indexAccessors[storageIdx]; |
| switch (op) { |
| case INSERT: { |
| if (!lsmAccessor.tryInsert(tuple)) { |
| flushPartialFrame(nextFlushTupleIndex, i); |
| nextFlushTupleIndex = i; |
| lsmAccessor.insert(tuple); |
| } |
| break; |
| } |
| case DELETE: { |
| if (!lsmAccessor.tryDelete(tuple)) { |
| flushPartialFrame(nextFlushTupleIndex, i); |
| nextFlushTupleIndex = i; |
| lsmAccessor.delete(tuple); |
| } |
| break; |
| } |
| case UPSERT: { |
| if (!lsmAccessor.tryUpsert(tuple)) { |
| flushPartialFrame(nextFlushTupleIndex, i); |
| nextFlushTupleIndex = i; |
| lsmAccessor.upsert(tuple); |
| } |
| break; |
| } |
| case UPDATE: { |
| if (!lsmAccessor.tryUpdate(tuple)) { |
| flushPartialFrame(nextFlushTupleIndex, i); |
| nextFlushTupleIndex = i; |
| lsmAccessor.update(tuple); |
| } |
| break; |
| } |
| default: { |
| throw new HyracksDataException( |
| "Unsupported operation " + op + " in tree index InsertUpdateDelete operator"); |
| } |
| } |
| } catch (HyracksDataException e) { |
| throw e; |
| } catch (Exception e) { |
| throw HyracksDataException.create(e); |
| } |
| } |
| if (nextFlushTupleIndex == 0) { |
| // No partial flushing was necessary. Forward entire frame. |
| writeBuffer.ensureFrameSize(buffer.capacity()); |
| FrameUtils.copyAndFlip(buffer, writeBuffer.getBuffer()); |
| FrameUtils.flushFrame(writeBuffer.getBuffer(), writer); |
| } else { |
| // Flush remaining partial frame. |
| flushPartialFrame(nextFlushTupleIndex, tupleCount); |
| } |
| } |
| |
| @Override |
| public void flushPartialFrame(int startTupleIndex, int endTupleIndex) throws HyracksDataException { |
| for (int i = startTupleIndex; i < endTupleIndex; i++) { |
| FrameUtils.appendToWriter(writer, appender, accessor, i); |
| } |
| appender.write(writer, true); |
| } |
| } |