| /* |
| * 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.resultSet.impl; |
| |
| import org.apache.drill.exec.physical.resultSet.impl.SingleVectorState.IsSetVectorState; |
| import org.apache.drill.exec.physical.resultSet.impl.SingleVectorState.SimpleVectorState; |
| import org.apache.drill.exec.record.metadata.ColumnMetadata; |
| import org.apache.drill.exec.vector.NullableVector; |
| import org.apache.drill.exec.vector.ValueVector; |
| import org.apache.drill.exec.vector.accessor.impl.HierarchicalFormatter; |
| import org.apache.drill.exec.vector.accessor.writer.AbstractObjectWriter; |
| import org.apache.drill.exec.vector.accessor.writer.NullableScalarWriter; |
| |
| public class NullableVectorState implements VectorState { |
| |
| private final ColumnMetadata schema; |
| private final NullableScalarWriter writer; |
| private final NullableVector vector; |
| private final VectorState bitsState; |
| private final VectorState valuesState; |
| |
| public NullableVectorState(AbstractObjectWriter writer, NullableVector vector) { |
| this.schema = writer.schema(); |
| this.vector = vector; |
| |
| this.writer = (NullableScalarWriter) writer.events(); |
| bitsState = new IsSetVectorState(this.writer.bitsWriter(), vector.getBitsVector()); |
| valuesState = SimpleVectorState.vectorState(this.writer.schema(), |
| this.writer.baseWriter(), vector.getValuesVector()); |
| } |
| |
| @Override |
| public int allocate(int cardinality) { |
| return bitsState.allocate(cardinality) + |
| valuesState.allocate(cardinality); |
| } |
| |
| @Override |
| public void rollover(int cardinality) { |
| bitsState.rollover(cardinality); |
| valuesState.rollover(cardinality); |
| } |
| |
| @Override |
| public void harvestWithLookAhead() { |
| bitsState.harvestWithLookAhead(); |
| valuesState.harvestWithLookAhead(); |
| } |
| |
| @Override |
| public void startBatchWithLookAhead() { |
| bitsState.startBatchWithLookAhead(); |
| valuesState.startBatchWithLookAhead(); |
| } |
| |
| @Override |
| public void close() { |
| bitsState.close(); |
| valuesState.close(); |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Override |
| public <T extends ValueVector> T vector() { return (T) vector; } |
| |
| @Override |
| public boolean isProjected() { return true; } |
| |
| @Override |
| public void dump(HierarchicalFormatter format) { |
| format |
| .startObject(this) |
| .attribute("schema", schema) |
| .attributeIdentity("writer", writer) |
| .attributeIdentity("vector", vector) |
| .attribute("bitsState"); |
| bitsState.dump(format); |
| format |
| .attribute("valuesState"); |
| valuesState.dump(format); |
| format |
| .endObject(); |
| } |
| } |