1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.apache.shardingsphere.sharding.route.engine.condition;
19
20 import lombok.Getter;
21 import lombok.ToString;
22
23 import java.util.Objects;
24
25 /**
26 * Column.
27 */
28 @Getter
29 @ToString
30 public final class Column {
31
32 private final String name;
33
34 private final String tableName;
35
36 private final int hashCode;
37
38 public Column(final String name, final String tableName) {
39 this.name = name;
40 this.tableName = tableName;
41 hashCode = Objects.hash(name.toUpperCase(), tableName.toUpperCase());
42 }
43
44 @Override
45 public boolean equals(final Object obj) {
46 if (obj instanceof Column) {
47 Column column = (Column) obj;
48 return null != name && name.equalsIgnoreCase(column.name) && null != tableName && tableName.equalsIgnoreCase(column.tableName);
49 }
50 return false;
51 }
52
53 @Override
54 public int hashCode() {
55 return hashCode;
56 }
57 }