hunt.sql.dialect.mysql.ast.statement.MySqlSubPartitionByKey source code

1 /*
2  * Copyright 2015-2018 HuntLabs.cn
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 module hunt.sql.dialect.mysql.ast.statement.MySqlSubPartitionByKey;
17 
18 
19 import hunt.collection;
20 import hunt.sql.ast.SQLObject;
21 
22 import hunt.sql.ast.SQLName;
23 import hunt.sql.ast.SQLSubPartitionBy;
24 import hunt.sql.dialect.mysql.ast.MySqlObject;
25 import hunt.sql.dialect.mysql.visitor.MySqlASTVisitor;
26 import hunt.sql.visitor.SQLASTVisitor;
27 
28 public class MySqlSubPartitionByKey : SQLSubPartitionBy , MySqlObject {
29     alias cloneTo = SQLSubPartitionBy.cloneTo;
30     private List!(SQLName) columns;
31     private short algorithm = 2;
32 
33     this()
34     {
35         columns = new ArrayList!(SQLName)();
36     }
37 
38     public short getAlgorithm() {
39         return algorithm;
40     }
41 
42     public void setAlgorithm(short algorithm) {
43         this.algorithm = algorithm;
44     }
45 
46     
47     override  protected void accept0(SQLASTVisitor visitor) {
48         if (cast(MySqlASTVisitor)(visitor) !is null) {
49             accept0(cast(MySqlASTVisitor) visitor);
50         } else {
51             throw new Exception("not support visitor type : " ~ typeof(visitor).stringof);
52         }
53     }
54     
55     override
56     public void accept0(MySqlASTVisitor visitor) {
57         if (visitor.visit(this)) {
58             acceptChild!SQLName(visitor, columns);
59             acceptChild(visitor, subPartitionsCount);
60         }
61         visitor.endVisit(this);
62     }
63 
64     public List!(SQLName) getColumns() {
65         return columns;
66     }
67 
68     public void addColumn(SQLName column) {
69         if (column !is null) {
70             column.setParent(this);
71         }
72         this.columns.add(column);
73     }
74 
75     public void cloneTo(MySqlSubPartitionByKey x) {
76         super.cloneTo(x);
77         foreach(SQLName column ; columns) {
78             SQLName c2 = column.clone();
79             c2.setParent(x);
80             x.columns.add(c2);
81         }
82 	    x.setAlgorithm(algorithm);
83     }
84 
85     override public MySqlSubPartitionByKey clone() {
86         MySqlSubPartitionByKey x = new MySqlSubPartitionByKey();
87         cloneTo(x);
88         return x;
89     }
90 }