-
Notifications
You must be signed in to change notification settings - Fork 2.3k
/
FunctionInvocation.scala
55 lines (45 loc) · 2.56 KB
/
FunctionInvocation.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
/*
* Copyright (c) 2002-2016 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.cypher.internal.compiler.v3_1.commands.expressions
import org.neo4j.cypher.internal.compiler.v3_1._
import org.neo4j.cypher.internal.compiler.v3_1.executionplan.ProcedureCallMode
import org.neo4j.cypher.internal.compiler.v3_1.helpers.{RuntimeJavaValueConverter, RuntimeScalaValueConverter}
import org.neo4j.cypher.internal.compiler.v3_1.mutation.GraphElementPropertyFunctions
import org.neo4j.cypher.internal.compiler.v3_1.pipes.QueryState
import org.neo4j.cypher.internal.compiler.v3_1.spi.UserFunctionSignature
import org.neo4j.cypher.internal.compiler.v3_1.symbols.SymbolTable
case class FunctionInvocation(signature: UserFunctionSignature, arguments: IndexedSeq[Expression])
extends Expression with GraphElementPropertyFunctions {
private val callMode = ProcedureCallMode.fromAccessMode(signature.accessMode)
override def apply(ctx: ExecutionContext)(implicit state: QueryState): Any = {
val query = state.query
val isGraphKernelResultValue = query.isGraphKernelResultValue _
val converter = new RuntimeJavaValueConverter(state.query.isGraphKernelResultValue, state.typeConverter.asPublicType)
val scalaValues = new RuntimeScalaValueConverter(isGraphKernelResultValue, state.typeConverter.asPrivateType)
val argValues = arguments.map(arg => converter.asDeepJavaValue(arg(ctx)(state)))
val result = callMode.callFunction(query, signature.name, argValues)
scalaValues.asDeepScalaValue(result)
}
override def rewrite(f: (Expression) => Expression) =
f(FunctionInvocation(signature, arguments.map(a => a.rewrite(f))))
override def calculateType(symbols: SymbolTable) = signature.outputType
override def symbolTableDependencies = arguments.flatMap(_.symbolTableDependencies).toSet
override def toString = s"${signature.name}(${arguments.mkString(",")})"
}