/
HoodieRowData.java
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/
HoodieRowData.java
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/*
* 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.hudi.client.model;
import org.apache.hudi.common.model.HoodieOperation;
import org.apache.flink.table.data.ArrayData;
import org.apache.flink.table.data.DecimalData;
import org.apache.flink.table.data.MapData;
import org.apache.flink.table.data.RawValueData;
import org.apache.flink.table.data.RowData;
import org.apache.flink.table.data.StringData;
import org.apache.flink.table.data.TimestampData;
import org.apache.flink.types.RowKind;
/**
* RowData implementation for Hoodie Row. It wraps an {@link RowData} and keeps meta columns locally. But the {@link RowData}
* does include the meta columns as well just that {@link HoodieRowData} will intercept queries for meta columns and serve from its
* copy rather than fetching from {@link RowData}.
*/
public class HoodieRowData implements RowData {
private final String[] metaColumns;
private final RowData row;
private final int metaColumnsNum;
public HoodieRowData(String commitTime,
String commitSeqNumber,
String recordKey,
String partitionPath,
String fileName,
RowData row,
boolean withOperation) {
this.metaColumnsNum = withOperation ? 6 : 5;
this.metaColumns = new String[metaColumnsNum];
metaColumns[0] = commitTime;
metaColumns[1] = commitSeqNumber;
metaColumns[2] = recordKey;
metaColumns[3] = partitionPath;
metaColumns[4] = fileName;
if (withOperation) {
metaColumns[5] = HoodieOperation.fromValue(row.getRowKind().toByteValue()).getName();
}
this.row = row;
}
@Override
public int getArity() {
return metaColumnsNum + row.getArity();
}
@Override
public RowKind getRowKind() {
return row.getRowKind();
}
@Override
public void setRowKind(RowKind kind) {
this.row.setRowKind(kind);
}
@Override
public boolean isNullAt(int ordinal) {
if (ordinal < metaColumnsNum) {
return null == getMetaColumnVal(ordinal);
}
return row.isNullAt(ordinal - metaColumnsNum);
}
@Override
public boolean getBoolean(int ordinal) {
return row.getBoolean(ordinal - metaColumnsNum);
}
@Override
public byte getByte(int ordinal) {
return row.getByte(ordinal - metaColumnsNum);
}
@Override
public short getShort(int ordinal) {
return row.getShort(ordinal - metaColumnsNum);
}
@Override
public int getInt(int ordinal) {
return row.getInt(ordinal - metaColumnsNum);
}
@Override
public long getLong(int ordinal) {
return row.getLong(ordinal - metaColumnsNum);
}
@Override
public float getFloat(int ordinal) {
return row.getFloat(ordinal - metaColumnsNum);
}
@Override
public double getDouble(int ordinal) {
return row.getDouble(ordinal - metaColumnsNum);
}
@Override
public DecimalData getDecimal(int ordinal, int precision, int scale) {
return row.getDecimal(ordinal - metaColumnsNum, precision, scale);
}
@Override
public TimestampData getTimestamp(int pos, int precision) {
return row.getTimestamp(pos - metaColumnsNum, precision);
}
@Override
public <T> RawValueData<T> getRawValue(int pos) {
return row.getRawValue(pos - metaColumnsNum);
}
@Override
public StringData getString(int ordinal) {
if (ordinal < metaColumnsNum) {
return StringData.fromString(getMetaColumnVal(ordinal));
}
return row.getString(ordinal - metaColumnsNum);
}
@Override
public byte[] getBinary(int ordinal) {
return row.getBinary(ordinal - metaColumnsNum);
}
@Override
public RowData getRow(int ordinal, int numFields) {
return row.getRow(ordinal - metaColumnsNum, numFields);
}
@Override
public ArrayData getArray(int ordinal) {
return row.getArray(ordinal - metaColumnsNum);
}
@Override
public MapData getMap(int ordinal) {
return row.getMap(ordinal - metaColumnsNum);
}
private String getMetaColumnVal(int ordinal) {
return this.metaColumns[ordinal];
}
}