| /* |
| * 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.drill.exec.physical.impl.sort; |
| |
| import java.util.List; |
| |
| import org.apache.drill.exec.memory.BufferAllocator; |
| import org.apache.drill.exec.record.BatchSchema.SelectionVectorMode; |
| import org.apache.drill.exec.record.RecordBatch; |
| import org.apache.drill.exec.record.TransferPair; |
| import org.apache.drill.exec.record.VectorAccessible; |
| import org.apache.drill.exec.record.VectorContainer; |
| import org.apache.drill.exec.record.VectorWrapper; |
| import org.apache.drill.exec.record.selection.SelectionVector2; |
| import org.apache.drill.exec.vector.ValueVector; |
| |
| import com.google.common.collect.Lists; |
| |
| /** |
| * Holds the data for a particular record batch for later manipulation. |
| */ |
| public class RecordBatchData { |
| |
| private SelectionVector2 sv2; |
| private int recordCount; |
| VectorContainer container = new VectorContainer(); |
| |
| public RecordBatchData(VectorAccessible batch, BufferAllocator allocator) { |
| List<ValueVector> vectors = Lists.newArrayList(); |
| recordCount = batch.getRecordCount(); |
| |
| if (batch instanceof RecordBatch && batch.getSchema().getSelectionVectorMode() == SelectionVectorMode.TWO_BYTE) { |
| this.sv2 = ((RecordBatch)batch).getSelectionVector2().clone(); |
| } else { |
| this.sv2 = null; |
| } |
| |
| for (VectorWrapper<?> v : batch) { |
| if (v.isHyper()) { |
| throw new UnsupportedOperationException("Record batch data can't be created based on a hyper batch."); |
| } |
| TransferPair tp = v.getValueVector().getTransferPair(allocator); |
| // Transfer make sure of releasing memory for value vector in source container. |
| tp.transfer(); |
| vectors.add(tp.getTo()); |
| } |
| |
| container.addCollection(vectors); |
| container.setRecordCount(recordCount); |
| container.buildSchema(batch.getSchema().getSelectionVectorMode()); |
| } |
| |
| public int getRecordCount() { |
| return recordCount; |
| } |
| |
| public List<ValueVector> getVectors() { |
| List<ValueVector> vectors = Lists.newArrayList(); |
| for (VectorWrapper<?> w : container) { |
| vectors.add(w.getValueVector()); |
| } |
| return vectors; |
| } |
| |
| public void setSv2(SelectionVector2 sv2) { |
| this.sv2 = sv2; |
| this.recordCount = sv2.getCount(); |
| this.container.buildSchema(SelectionVectorMode.TWO_BYTE); |
| } |
| |
| public SelectionVector2 getSv2() { |
| return sv2; |
| } |
| |
| public VectorContainer getContainer() { |
| return container; |
| } |
| |
| public void clear() { |
| if (sv2 != null) { |
| sv2.clear(); |
| } |
| container.clear(); |
| } |
| } |