| /* |
| * 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.ignite.internal.table; |
| |
| import java.util.Objects; |
| import org.apache.ignite.internal.schema.Column; |
| import org.apache.ignite.internal.schema.row.Row; |
| import org.apache.ignite.table.Tuple; |
| import org.jetbrains.annotations.NotNull; |
| |
| /** |
| * Row to Tuple adapter. |
| * |
| * <p>Provides methods to access columns values by column names. |
| */ |
| public class TableRow extends MutableRowTupleAdapter { |
| /** |
| * Returns tuple for row key chunk. |
| * |
| * @param row Row. |
| * @return Tuple. |
| */ |
| public static Tuple keyTuple(Row row) { |
| return new KeyRowChunk(row); |
| } |
| |
| /** |
| * Returns tuple for row value chunk. |
| * |
| * @param row Row. |
| * @return Tuple. |
| */ |
| public static Tuple valueTuple(Row row) { |
| return row.hasValue() ? new ValueRowChunk(row) : null; |
| } |
| |
| /** |
| * Returns tuple for whole row. |
| * |
| * @param row Row. |
| * @return Tuple. |
| */ |
| public static Tuple tuple(Row row) { |
| return new TableRow(row); |
| } |
| |
| /** |
| * Constructor. |
| * |
| * @param row Row. |
| */ |
| private TableRow(Row row) { |
| super(row); |
| } |
| |
| /** |
| * Key column chunk. |
| */ |
| private static class KeyRowChunk extends MutableRowTupleAdapter { |
| /** |
| * Creates tuple for key chunk. |
| * |
| * @param row Row |
| */ |
| KeyRowChunk(@NotNull Row row) { |
| super(row); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public int columnCount() { |
| return tuple != null ? tuple.columnCount() : schema().keyColumns().length(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public int columnIndex(@NotNull String columnName) { |
| if (tuple != null) { |
| return tuple.columnIndex(columnName); |
| } |
| |
| Objects.requireNonNull(columnName); |
| |
| var col = schema().column(columnName); |
| |
| return col == null || !schema().isKeyColumn(col.schemaIndex()) ? -1 : col.schemaIndex(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| protected Column rowColumnByName(@NotNull String columnName) { |
| final Column col = super.rowColumnByName(columnName); |
| |
| if (!schema().isKeyColumn(col.schemaIndex())) { |
| throw new IllegalArgumentException("Invalid column name: columnName=" + columnName); |
| } |
| |
| return col; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| protected Column rowColumnByIndex(int columnIndex) { |
| Objects.checkIndex(columnIndex, schema().keyColumns().length()); |
| |
| return schema().column(columnIndex); |
| } |
| } |
| |
| /** |
| * Value column chunk. |
| */ |
| private static class ValueRowChunk extends MutableRowTupleAdapter { |
| /** |
| * Creates tuple for value chunk. |
| * |
| * @param row Row. |
| */ |
| ValueRowChunk(@NotNull Row row) { |
| super(row); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public int columnCount() { |
| return tuple != null ? tuple.columnCount() : schema().valueColumns().length(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public int columnIndex(@NotNull String columnName) { |
| if (tuple != null) { |
| return tuple.columnIndex(columnName); |
| } |
| |
| Objects.requireNonNull(columnName); |
| |
| var col = schema().column(columnName); |
| |
| return col == null || schema().isKeyColumn(col.schemaIndex()) ? -1 : |
| col.schemaIndex() - schema().keyColumns().length(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| protected Column rowColumnByName(@NotNull String columnName) { |
| final Column col = super.rowColumnByName(columnName); |
| |
| if (schema().isKeyColumn(col.schemaIndex())) { |
| throw new IllegalArgumentException("Invalid column name: columnName=" + columnName); |
| } |
| |
| return col; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| protected Column rowColumnByIndex(int columnIndex) { |
| Objects.checkIndex(columnIndex, schema().valueColumns().length()); |
| |
| return schema().column(columnIndex + schema().keyColumns().length()); |
| } |
| } |
| } |