| /* |
| * 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.svremover; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| 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; |
| |
| public abstract class AbstractSV2Copier extends AbstractCopier { |
| protected ValueVector[] vvIn; |
| private SelectionVector2 sv2; |
| protected List<TransferPair> transferPairs = new ArrayList<>(); |
| |
| @Override |
| public void setup(VectorAccessible incoming, VectorContainer outgoing) { |
| super.setup(incoming, outgoing); |
| sv2 = incoming.getSelectionVector2(); |
| |
| final int count = outgoing.getNumberOfColumns(); |
| vvIn = new ValueVector[count]; |
| |
| int index = 0; |
| for (VectorWrapper<?> vectorWrapper: incoming) { |
| vvIn[index++] = vectorWrapper.getValueVector(); |
| } |
| } |
| |
| @Override |
| public void copyEntryIndirect(int inIndex, int outIndex) { |
| copyEntry(sv2.getIndex(inIndex), outIndex); |
| } |
| |
| @Override |
| public int copyRecords(int index, int recordCount) { |
| if (sv2.canDoFullTransfer()) { |
| for (TransferPair pair : transferPairs) { |
| pair.transfer(); |
| } |
| updateCounts(recordCount); |
| return recordCount; |
| } |
| |
| return super.copyRecords(index, recordCount); |
| } |
| } |