hunt.sql.ast.statement.SQLAlterTableDropPartition 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.ast.statement.SQLAlterTableDropPartition;
17 
18 import hunt.collection;
19 
20 import hunt.sql.ast.SQLObject;
21 import hunt.sql.ast.SQLObjectImpl;
22 import hunt.sql.visitor.SQLASTVisitor;
23 import hunt.sql.ast.statement.SQLAlterTableItem;
24 
25 public class SQLAlterTableDropPartition : SQLObjectImpl , SQLAlterTableItem {
26 
27     private bool ifExists = false;
28 
29     private bool purge;
30 
31     private  List!SQLObject partitions;
32     this()
33     {
34         partitions = new ArrayList!SQLObject(4);
35     }
36 
37     public List!SQLObject getPartitions() {
38         return partitions;
39     }
40     
41     public void addPartition(SQLObject partition) {
42         if (partition !is null) {
43             partition.setParent(this);
44         }
45         this.partitions.add(partition);
46     }
47 
48     public bool isIfExists() {
49         return ifExists;
50     }
51 
52     public void setIfExists(bool ifExists) {
53         this.ifExists = ifExists;
54     }
55 
56     public bool isPurge() {
57         return purge;
58     }
59 
60     public void setPurge(bool purge) {
61         this.purge = purge;
62     }
63 
64     override  protected void accept0(SQLASTVisitor visitor) {
65         if (visitor.visit(this)) {
66             acceptChild(visitor, partitions);
67         }
68         visitor.endVisit(this);
69     }
70 }