org.apache.flink.table.runtime.arrow.writers.TinyIntWriter Maven / Gradle / Ivy
/*
* 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.flink.table.runtime.arrow.writers;
import org.apache.flink.annotation.Internal;
import org.apache.flink.table.data.ArrayData;
import org.apache.flink.table.data.RowData;
import org.apache.arrow.vector.TinyIntVector;
/** {@link ArrowFieldWriter} for TinyInt. */
@Internal
public abstract class TinyIntWriter extends ArrowFieldWriter {
public static TinyIntWriter forRow(TinyIntVector tinyIntVector) {
return new TinyIntWriterForRow(tinyIntVector);
}
public static TinyIntWriter forArray(TinyIntVector tinyIntVector) {
return new TinyIntWriterForArray(tinyIntVector);
}
// ------------------------------------------------------------------------------------------
private TinyIntWriter(TinyIntVector tinyIntVector) {
super(tinyIntVector);
}
abstract boolean isNullAt(T in, int ordinal);
abstract byte readByte(T in, int ordinal);
@Override
public void doWrite(T in, int ordinal) {
if (isNullAt(in, ordinal)) {
((TinyIntVector) getValueVector()).setNull(getCount());
} else {
((TinyIntVector) getValueVector()).setSafe(getCount(), readByte(in, ordinal));
}
}
// ------------------------------------------------------------------------------------------
/** {@link TinyIntWriter} for {@link RowData} input. */
public static final class TinyIntWriterForRow extends TinyIntWriter {
private TinyIntWriterForRow(TinyIntVector tinyIntVector) {
super(tinyIntVector);
}
@Override
boolean isNullAt(RowData in, int ordinal) {
return in.isNullAt(ordinal);
}
@Override
byte readByte(RowData in, int ordinal) {
return in.getByte(ordinal);
}
}
/** {@link TinyIntWriter} for {@link ArrayData} input. */
public static final class TinyIntWriterForArray extends TinyIntWriter {
private TinyIntWriterForArray(TinyIntVector tinyIntVector) {
super(tinyIntVector);
}
@Override
boolean isNullAt(ArrayData in, int ordinal) {
return in.isNullAt(ordinal);
}
@Override
byte readByte(ArrayData in, int ordinal) {
return in.getByte(ordinal);
}
}
}