| /* |
| * 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.processors.query; |
| |
| import org.apache.ignite.internal.util.typedef.F; |
| import org.apache.ignite.internal.util.typedef.internal.S; |
| |
| /** |
| * Information about table column. |
| */ |
| public class ColumnInformation { |
| /** */ |
| private final int ordinalPosition; |
| |
| /** */ |
| private final String schemaName; |
| |
| /** */ |
| private final String tblName; |
| |
| /** */ |
| private final String colName; |
| |
| /** */ |
| private final Class<?> fieldCls; |
| |
| /** */ |
| private final boolean nullable; |
| |
| /** */ |
| private final Object dfltVal; |
| |
| /** */ |
| private final int precision; |
| |
| /** */ |
| private final int scale; |
| |
| /** */ |
| private final boolean affinityCol; |
| |
| /** |
| * @param ordinalPosition Ordinal column position. |
| * @param schemaName Schema name. |
| * @param tblName Table name. |
| * @param colName Column name. |
| * @param fieldCls Field class. |
| * @param nullable Nullable. |
| * @param dfltVal Default value. |
| * @param precision Precision for a column or -1 if not applicable. |
| * @param scale Scale for a column or -1 if not applicable. |
| */ |
| public ColumnInformation(int ordinalPosition, String schemaName, String tblName, String colName, Class<?> fieldCls, |
| boolean nullable, Object dfltVal, int precision, int scale, boolean affinityCol) { |
| this.ordinalPosition = ordinalPosition; |
| this.schemaName = schemaName; |
| this.tblName = tblName; |
| this.colName = colName; |
| this.fieldCls = fieldCls; |
| this.nullable = nullable; |
| this.dfltVal = dfltVal; |
| this.precision = precision; |
| this.scale = scale; |
| this.affinityCol = affinityCol; |
| } |
| |
| /** |
| * @return Column id. |
| */ |
| public int columnId() { |
| return ordinalPosition; |
| } |
| |
| /** |
| * @return Schema name. |
| */ |
| public String schemaName() { |
| return schemaName; |
| } |
| |
| /** |
| * @return Table name. |
| */ |
| public String tableName() { |
| return tblName; |
| } |
| |
| /** |
| * @return Column name. |
| */ |
| public String columnName() { |
| return colName; |
| } |
| |
| /** |
| * @return Class of column type. |
| */ |
| public Class<?> fieldClass() { |
| return fieldCls; |
| } |
| |
| /** |
| * @return {@code true} For nullabe column |
| */ |
| public boolean nullable() { |
| return nullable; |
| } |
| |
| /** |
| * @return Default value for column or {@code null} in case dafault value wasn't set |
| */ |
| public Object defaultValue() { |
| return dfltVal; |
| } |
| |
| /** |
| * @return Precision. |
| */ |
| public int precision() { |
| return precision; |
| } |
| |
| /** |
| * @return Scale. |
| */ |
| public int scale() { |
| return scale; |
| } |
| |
| /** |
| * @return {@code true} For affinity column. |
| */ |
| public boolean affinityColumn() { |
| return affinityCol; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean equals(Object o) { |
| if (this == o) |
| return true; |
| |
| if (o == null || getClass() != o.getClass()) |
| return false; |
| |
| ColumnInformation info = (ColumnInformation)o; |
| |
| return F.eq(schemaName, info.schemaName) && F.eq(tblName, info.tblName) && F.eq(colName, info.colName); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int hashCode() { |
| int res = schemaName != null ? schemaName.hashCode() : 0; |
| |
| res = 31 * res + (tblName != null ? tblName.hashCode() : 0); |
| |
| res = 31 * res + colName.hashCode(); |
| |
| return res; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String toString() { |
| return S.toString(ColumnInformation.class, this); |
| } |
| } |