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  1. Red Hat Decision Manager
  2. RHDM-1518

Assignment to BigDecimal type property causes compilation errors in executable model.

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    • Bug
    • Resolution: Done
    • Major
    • 7.10.0.GA
    • 7.9.0.GA
    • BRE

    • RHDM 7.9.0.

    • False
    • False
    • Release Notes
    • CR1
    • +
    • Undefined
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      $ unzip reproducer_02801729_3a.zip 
$ cd reproducer_02801729_3a
$ mvn clean compile exec:exec -DgenerateModel=YES
    :
    :
[INFO] --- maven-compiler-plugin:3.8.1:compile (default-compile-1) @ reproducer_02801729_3a ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 6 source files to /test/reproducer_02801729_3a/target/classes
[INFO] -------------------------------------------------------------
[ERROR] COMPILATION ERROR : 
[INFO] -------------------------------------------------------------
[ERROR] /test/reproducer_02801729_3a/target/generated-sources/drools-model-compiler/main/java/com/example/reproducer/P23/LambdaConsequence23B3ED62B695E9AEA44284D670FC4A7C.java:[20,13] weight has private access in com.example.reproducer.Bus
[ERROR] /test/reproducer_02801729_3a/target/generated-sources/drools-model-compiler/main/java/com/example/reproducer/P23/LambdaConsequence23B3ED62B695E9AEA44284D670FC4A7C.java:[20,23] incompatible types: int cannot be converted to java.math.BigDecimal
[INFO] 2 errors 
[INFO] -------------------------------------------------------------
    :
    :
      Show
      $ unzip reproducer_02801729_3a.zip $ cd reproducer_02801729_3a $ mvn clean compile exec:exec -DgenerateModel=YES : : [INFO] --- maven-compiler-plugin:3.8.1:compile (default-compile-1) @ reproducer_02801729_3a --- [INFO] Changes detected - recompiling the module! [INFO] Compiling 6 source files to /test/reproducer_02801729_3a/target/classes [INFO] ------------------------------------------------------------- [ERROR] COMPILATION ERROR : [INFO] ------------------------------------------------------------- [ERROR] /test/reproducer_02801729_3a/target/generated-sources/drools-model-compiler/main/java/com/example/reproducer/P23/LambdaConsequence23B3ED62B695E9AEA44284D670FC4A7C.java:[20,13] weight has private access in com.example.reproducer.Bus [ERROR] /test/reproducer_02801729_3a/target/generated-sources/drools-model-compiler/main/java/com/example/reproducer/P23/LambdaConsequence23B3ED62B695E9AEA44284D670FC4A7C.java:[20,23] incompatible types: int cannot be converted to java.math.BigDecimal [INFO] 2 errors [INFO] ------------------------------------------------------------- : :
    • 2020 Week 49-51 (from Nov 30)

    Description

      Compiling a rule like (*1) which is described in MVEL dialect and contains an assignment statement to BigDecimal type property with executable rule models enabled, compilation errors like (*2) occur.

      (*1)

      package com.example.reproducer

import com.example.reproducer.Bus

dialect "mvel"

rule "bus3a"
    when
        $bus : Bus()
    then
        modify($bus) {
            weight = 13000
        }
        System.out.println("***** " + $bus + ", weight = " + $bus.weight);
end

      $bus.weight is a BigDecimal type property.

      (*2)

      [ERROR] /test/reproducer_02801729_3a/target/generated-sources/drools-model-compiler/main/java/com/example/reproducer/P23/LambdaConsequence23B3ED62B695E9AEA44284D670FC4A7C.java:[20,13] weight has private access in com.example.reproducer.Bus
[ERROR] /test/reproducer_02801729_3a/target/generated-sources/drools-model-compiler/main/java/com/example/reproducer/P23/LambdaConsequence23B3ED62B695E9AEA44284D670FC4A7C.java:[20,23] incompatible types: int cannot be converted to java.math.BigDecimal

       

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          Bug - A problem that impairs or prevents the functions of the product. DROOLS-5889 Assignment to BigDecimal type property causes compilation errors in executable model.

          • Major - To be worked after higher priority work items are addressed. When the severity is high and the effort to change it is low to moderate, this term is chosen. Issues in this category likely have an existing workaround but implementation or execution may be non-trivial.
          • Closed

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            People

              lmolteni@redhat.com Luca Molteni
              rhn-support-myoshida Masato Yoshida
              Daniel Rosa Daniel Rosa
              Daniel Rosa Daniel Rosa
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                Created:
                Updated:
                Resolved: