-
Notifications
You must be signed in to change notification settings - Fork 93
/
OperationParamsConverter.scala
66 lines (59 loc) · 2.38 KB
/
OperationParamsConverter.scala
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
/*
* Copyright 2019 ABSA Group Limited
*
* Licensed 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 za.co.absa.spline.harvester.converter
import org.apache.spark.sql.catalyst.InternalRow
import org.apache.spark.sql.catalyst.expressions.{Expression, SortOrder}
import org.apache.spark.sql.catalyst.plans.JoinType
import org.apache.spark.sql.catalyst.plans.logical.LogicalPlan
import org.apache.spark.sql.types.DataType
import za.co.absa.spline.commons.lang.Converter
import za.co.absa.spline.harvester.converter.OperationParamsConverter._
import za.co.absa.spline.harvester.converter.ReflectiveExtractor.extractProperties
class OperationParamsConverter(
dataConverter: DataConverter,
exprToRefConverter: ExprToRefConverter
) extends Converter {
override type From = LogicalPlan
override type To = Map[String, _]
private def valueDecomposer = ValueDecomposer.addHandler(_ => {
case (row: InternalRow, rowType: DataType) => Some(dataConverter.convert((row, rowType)))
case (jt: JoinType, _) => Some(jt.sql)
case (so: SortOrder, _) => Some(Map(
"expression" -> exprToRefConverter.convert(so.child),
"direction" -> so.direction.sql,
"nullOrdering" -> so.nullOrdering.sql))
case (exp: Expression, _) => Some(exprToRefConverter.convert(exp))
})
override def convert(operation: LogicalPlan): Map[String, _] = {
val isChildOperation: Any => Boolean = {
val children = operation.children.toSet
PartialFunction.cond(_) {
case oi: LogicalPlan if children(oi) => true
}
}
for {
(p, v) <- extractProperties(operation)
if !KnownPropNames(p)
if !IgnoredPropNames(p)
if !isChildOperation(v)
} yield
p -> valueDecomposer.decompose(v, operation.schema)
}
}
object OperationParamsConverter {
private val KnownPropNames = Set("nodeName", "output", "children", "child")
private val IgnoredPropNames = Set("data")
}