| /* |
| * 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.window; |
| |
| import com.google.common.collect.Lists; |
| import org.apache.drill.common.expression.SchemaPath; |
| import org.apache.drill.exec.ops.OperatorContext; |
| import org.apache.drill.exec.record.BatchSchema; |
| import org.apache.drill.exec.record.TransferPair; |
| import org.apache.drill.exec.record.TypedFieldId; |
| 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.record.selection.SelectionVector4; |
| import org.apache.drill.exec.vector.ValueVector; |
| |
| import java.util.Iterator; |
| import java.util.List; |
| |
| public class WindowDataBatch implements VectorAccessible { |
| |
| private final OperatorContext oContext; |
| private final VectorContainer container; |
| private final int recordCount; |
| |
| public WindowDataBatch(final VectorAccessible batch, final OperatorContext oContext) { |
| this.oContext = oContext; |
| recordCount = batch.getRecordCount(); |
| |
| List<ValueVector> vectors = Lists.newArrayList(); |
| |
| 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(oContext.getAllocator()); |
| tp.transfer(); |
| vectors.add(tp.getTo()); |
| } |
| |
| container = new VectorContainer(oContext); |
| container.addCollection(vectors); |
| container.setRecordCount(recordCount); |
| container.buildSchema(batch.getSchema().getSelectionVectorMode()); |
| } |
| |
| public OperatorContext getContext() { |
| return oContext; |
| } |
| |
| public VectorContainer getContainer() { |
| return container; |
| } |
| |
| @Override |
| public int getRecordCount() { |
| return recordCount; |
| } |
| |
| @Override |
| public VectorWrapper<?> getValueAccessorById(Class<?> clazz, int... fieldIds) { |
| return container.getValueAccessorById(clazz, fieldIds); |
| } |
| |
| @Override |
| public TypedFieldId getValueVectorId(SchemaPath path) { |
| return container.getValueVectorId(path); |
| } |
| |
| @Override |
| public BatchSchema getSchema() { |
| return container.getSchema(); |
| } |
| |
| @Override |
| public Iterator<VectorWrapper<?>> iterator() { |
| return container.iterator(); |
| } |
| |
| @Override |
| public SelectionVector2 getSelectionVector2() { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public SelectionVector4 getSelectionVector4() { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public void clear() { |
| container.clear(); |
| } |
| |
| @Override |
| public String toString() { |
| return "WindowDataBatch[container=" + container + ", recordCount=" + recordCount + "]"; |
| } |
| } |