MVEL is a powerful expression language for Java-based applications.
MVEL is a powerful expression language for Java-based applications.
Questions tagged [mvel]
201 questions
0
votes
1 answer
How do I create MVEL evaluation context?
I want to sequentially parse MVEL as follows:
HashMap myData = new HashMap(){{ put("x", 1); }}
eval("y = 2", ...) // assign value to y
...
eval("x + y", myData, ...) // expect 3
Is this possible? If so, how?
kevin cline
- 2,608
- 2
- 25
- 38
0
votes
1 answer
Get expression with runtime value of parameters in MVEL
I am using MVEL to execute an expression which is a mathematical formula. The expression is in this format
10 * availableSI
I have a DataObject which has availableSI as a parameter which has its getter and setter.
When I say…
Harshul Pandav
- 1,016
- 11
- 23
-1
votes
1 answer
MVEL not evaluating and throwing invalid number literal
MVEL is not evaluating the expression properly which contains the string with number like below
@{11412Test}
Caused by: [Error: invalid number literal: 11412Test]
[Near : {... v>@{11412Test} ....}]
[Line: 1, Column: 57]
at…
@{11412Test}
moh
- 1,426
- 2
- 16
- 43
-1
votes
1 answer
How to add element to array with Drools (mvel)
I need insert a new value in a exist array with Drools. My example:
rule "insert new address"
dialect "java"
when
$data : Data( source.address != null)
then
Address address = (Address) $data.source.address
System.out.println("Element:…
Ransarot
- 9
- 1
- 3
-3
votes
1 answer
Regex for integer followed by single character
Can anyone please let me know the regex code to enter digit(1 to 31) followed by one single character for example: 2d or 3d. The character will always remain 'd' or 'D' and number can be any number from 1 to 31. Basically this denotes 2 days or 3…
Raghav
- 1
-4
votes
2 answers
How to check the if statement value in drools using dialect "Mvel"?
I have a json below
"root":[
{
"refDataId": 1,
"children": [
{
"refDataId": 20
},
{
"refDataId": 99,
"otherValue": "Facility"
}
]
},
{
"refDataId": 2,
"children": [
{
…
user3104079
- 1
- 2