| /* |
| * 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.arrow.vector; |
| |
| import org.apache.arrow.memory.BufferAllocator; |
| import org.apache.arrow.vector.complex.impl.TimeStampNanoTZReaderImpl; |
| import org.apache.arrow.vector.complex.reader.FieldReader; |
| import org.apache.arrow.vector.holders.NullableTimeStampNanoTZHolder; |
| import org.apache.arrow.vector.holders.TimeStampNanoTZHolder; |
| import org.apache.arrow.vector.types.TimeUnit; |
| import org.apache.arrow.vector.types.Types.MinorType; |
| import org.apache.arrow.vector.types.pojo.ArrowType; |
| import org.apache.arrow.vector.types.pojo.Field; |
| import org.apache.arrow.vector.types.pojo.FieldType; |
| import org.apache.arrow.vector.util.TransferPair; |
| |
| /** |
| * TimeStampNanoTZVector implements a fixed width vector (8 bytes) of |
| * timestamp (nanosecond resolution) values which could be null. A validity buffer |
| * (bit vector) is maintained to track which elements in the vector are null. |
| */ |
| public final class TimeStampNanoTZVector extends TimeStampVector { |
| private final FieldReader reader; |
| private final String timeZone; |
| |
| /** |
| * Instantiate a TimeStampNanoTZVector. This doesn't allocate any memory for |
| * the data in vector. |
| * |
| * @param name name of the vector |
| * @param allocator allocator for memory management. |
| */ |
| public TimeStampNanoTZVector(String name, BufferAllocator allocator, String timeZone) { |
| this(name, FieldType.nullable(new ArrowType.Timestamp(TimeUnit.NANOSECOND, timeZone)), allocator); |
| } |
| |
| /** |
| * Instantiate a TimeStampNanoTZVector. This doesn't allocate any memory for |
| * the data in vector. |
| * |
| * @param name name of the vector |
| * @param fieldType type of Field materialized by this vector |
| * @param allocator allocator for memory management. |
| */ |
| public TimeStampNanoTZVector(String name, FieldType fieldType, BufferAllocator allocator) { |
| super(name, fieldType, allocator); |
| ArrowType.Timestamp arrowType = (ArrowType.Timestamp) fieldType.getType(); |
| timeZone = arrowType.getTimezone(); |
| reader = new TimeStampNanoTZReaderImpl(TimeStampNanoTZVector.this); |
| } |
| |
| /** |
| * Instantiate a TimeStampNanoTZVector. This doesn't allocate any memory for |
| * the data in vector. |
| * |
| * @param field Field materialized by this vector |
| * @param allocator allocator for memory management. |
| */ |
| public TimeStampNanoTZVector(Field field, BufferAllocator allocator) { |
| super(field, allocator); |
| ArrowType.Timestamp arrowType = (ArrowType.Timestamp) field.getFieldType().getType(); |
| timeZone = arrowType.getTimezone(); |
| reader = new TimeStampNanoTZReaderImpl(TimeStampNanoTZVector.this); |
| } |
| |
| /** |
| * Get a reader that supports reading values from this vector. |
| * |
| * @return Field Reader for this vector |
| */ |
| @Override |
| public FieldReader getReader() { |
| return reader; |
| } |
| |
| /** |
| * Get minor type for this vector. The vector holds values belonging |
| * to a particular type. |
| * |
| * @return {@link org.apache.arrow.vector.types.Types.MinorType} |
| */ |
| @Override |
| public MinorType getMinorType() { |
| return MinorType.TIMESTAMPNANOTZ; |
| } |
| |
| |
| /*----------------------------------------------------------------* |
| | | |
| | vector value retrieval methods | |
| | | |
| *----------------------------------------------------------------*/ |
| |
| |
| /** |
| * Get the element at the given index from the vector and |
| * sets the state in holder. If element at given index |
| * is null, holder.isSet will be zero. |
| * |
| * @param index position of element |
| */ |
| public void get(int index, NullableTimeStampNanoTZHolder holder) { |
| if (isSet(index) == 0) { |
| holder.isSet = 0; |
| return; |
| } |
| holder.isSet = 1; |
| holder.value = valueBuffer.getLong(index * TYPE_WIDTH); |
| } |
| |
| /** |
| * Same as {@link #get(int)}. |
| * |
| * @param index position of element |
| * @return element at given index |
| */ |
| public Long getObject(int index) { |
| if (isSet(index) == 0) { |
| return null; |
| } else { |
| return valueBuffer.getLong(index * TYPE_WIDTH); |
| } |
| } |
| |
| |
| /*----------------------------------------------------------------* |
| | | |
| | vector value setter methods | |
| | | |
| *----------------------------------------------------------------*/ |
| |
| |
| /** |
| * Set the element at the given index to the value set in data holder. |
| * If the value in holder is not indicated as set, element in the |
| * at the given index will be null. |
| * |
| * @param index position of element |
| * @param holder nullable data holder for value of element |
| */ |
| public void set(int index, NullableTimeStampNanoTZHolder holder) throws IllegalArgumentException { |
| if (holder.isSet < 0) { |
| throw new IllegalArgumentException(); |
| } else if (holder.isSet > 0) { |
| BitVectorHelper.setValidityBitToOne(validityBuffer, index); |
| setValue(index, holder.value); |
| } else { |
| BitVectorHelper.setValidityBit(validityBuffer, index, 0); |
| } |
| } |
| |
| /** |
| * Set the element at the given index to the value set in data holder. |
| * |
| * @param index position of element |
| * @param holder data holder for value of element |
| */ |
| public void set(int index, TimeStampNanoTZHolder holder) { |
| BitVectorHelper.setValidityBitToOne(validityBuffer, index); |
| setValue(index, holder.value); |
| } |
| |
| /** |
| * Same as {@link #set(int, NullableTimeStampNanoTZHolder)} except that it handles the |
| * case when index is greater than or equal to existing |
| * value capacity {@link #getValueCapacity()}. |
| * |
| * @param index position of element |
| * @param holder nullable data holder for value of element |
| */ |
| public void setSafe( |
| int index, |
| NullableTimeStampNanoTZHolder holder) throws IllegalArgumentException { |
| handleSafe(index); |
| set(index, holder); |
| } |
| |
| /** |
| * Same as {@link #set(int, TimeStampNanoTZHolder)} except that it handles the |
| * case when index is greater than or equal to existing |
| * value capacity {@link #getValueCapacity()}. |
| * |
| * @param index position of element |
| * @param holder data holder for value of element |
| */ |
| public void setSafe(int index, TimeStampNanoTZHolder holder) { |
| handleSafe(index); |
| set(index, holder); |
| } |
| |
| |
| /*----------------------------------------------------------------* |
| | | |
| | vector transfer | |
| | | |
| *----------------------------------------------------------------*/ |
| |
| |
| /** |
| * Construct a TransferPair comprising of this and and a target vector of |
| * the same type. |
| * |
| * @param ref name of the target vector |
| * @param allocator allocator for the target vector |
| * @return {@link TransferPair} |
| */ |
| @Override |
| public TransferPair getTransferPair(String ref, BufferAllocator allocator) { |
| TimeStampNanoTZVector to = new TimeStampNanoTZVector(ref, |
| field.getFieldType(), allocator); |
| return new TransferImpl(to); |
| } |
| |
| /** |
| * Construct a TransferPair with a desired target vector of the same type. |
| * |
| * @param to target vector |
| * @return {@link TransferPair} |
| */ |
| @Override |
| public TransferPair makeTransferPair(ValueVector to) { |
| return new TransferImpl((TimeStampNanoTZVector) to); |
| } |
| } |