1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
|
/*
* 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.spark.sql.catalyst.catalog
import org.apache.spark.scheduler.SparkListenerEvent
/**
* Event emitted by the external catalog when it is modified. Events are either fired before or
* after the modification (the event should document this).
*/
trait ExternalCatalogEvent extends SparkListenerEvent
/**
* Listener interface for external catalog modification events.
*/
trait ExternalCatalogEventListener {
def onEvent(event: ExternalCatalogEvent): Unit
}
/**
* Event fired when a database is create or dropped.
*/
trait DatabaseEvent extends ExternalCatalogEvent {
/**
* Database of the object that was touched.
*/
val database: String
}
/**
* Event fired before a database is created.
*/
case class CreateDatabasePreEvent(database: String) extends DatabaseEvent
/**
* Event fired after a database has been created.
*/
case class CreateDatabaseEvent(database: String) extends DatabaseEvent
/**
* Event fired before a database is dropped.
*/
case class DropDatabasePreEvent(database: String) extends DatabaseEvent
/**
* Event fired after a database has been dropped.
*/
case class DropDatabaseEvent(database: String) extends DatabaseEvent
/**
* Event fired when a table is created, dropped or renamed.
*/
trait TableEvent extends DatabaseEvent {
/**
* Name of the table that was touched.
*/
val name: String
}
/**
* Event fired before a table is created.
*/
case class CreateTablePreEvent(database: String, name: String) extends TableEvent
/**
* Event fired after a table has been created.
*/
case class CreateTableEvent(database: String, name: String) extends TableEvent
/**
* Event fired before a table is dropped.
*/
case class DropTablePreEvent(database: String, name: String) extends TableEvent
/**
* Event fired after a table has been dropped.
*/
case class DropTableEvent(database: String, name: String) extends TableEvent
/**
* Event fired before a table is renamed.
*/
case class RenameTablePreEvent(
database: String,
name: String,
newName: String)
extends TableEvent
/**
* Event fired after a table has been renamed.
*/
case class RenameTableEvent(
database: String,
name: String,
newName: String)
extends TableEvent
/**
* Event fired when a function is created, dropped or renamed.
*/
trait FunctionEvent extends DatabaseEvent {
/**
* Name of the function that was touched.
*/
val name: String
}
/**
* Event fired before a function is created.
*/
case class CreateFunctionPreEvent(database: String, name: String) extends FunctionEvent
/**
* Event fired after a function has been created.
*/
case class CreateFunctionEvent(database: String, name: String) extends FunctionEvent
/**
* Event fired before a function is dropped.
*/
case class DropFunctionPreEvent(database: String, name: String) extends FunctionEvent
/**
* Event fired after a function has been dropped.
*/
case class DropFunctionEvent(database: String, name: String) extends FunctionEvent
/**
* Event fired before a function is renamed.
*/
case class RenameFunctionPreEvent(
database: String,
name: String,
newName: String)
extends FunctionEvent
/**
* Event fired after a function has been renamed.
*/
case class RenameFunctionEvent(
database: String,
name: String,
newName: String)
extends FunctionEvent
|
