Examples of ExprConstraintDescr

org.drools.compiler.lang.descr.ExprConstraintDescr
This represents a constraint in a pattern defined by an arbitrary expression. The constraint can be any valid java/mvel expression.
org.drools.lang.descr.ExprConstraintDescr
This represents a constraint in a pattern defined by an arbitrary expression. The constraint can be any valid java/mvel expression.

Examples of org.drools.lang.descr.ExprConstraintDescr


        final PatternDescr pattern = new PatternDescr( Cheese.class.getName(),
                                                       "stilton" );
        lhs.addDescr( pattern );


        pattern.addConstraint( new ExprConstraintDescr( "type == 'stilton'" ) );


        ruleDescr.setConsequence( "update(stilton);" );


        builder.addPackage( packageDescr );

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Examples of org.drools.lang.descr.ExprConstraintDescr

        pattern.addBinding( fieldBindingDescr );


        packageDescr.addGlobal( new GlobalDescr( "map",
                                                 "java.util.Map" ) );


        pattern.addConstraint( new ExprConstraintDescr("price == (( (Integer) map.get( new Integer( x )) ).intValue() * y)") );


        ruleDescr.setConsequence( "update(stilton);" );


        builder.addPackage( packageDescr );

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Examples of org.drools.lang.descr.ExprConstraintDescr

        pattern.addBinding( fieldBindingDescr2 );


        packageDescr.addGlobal( new GlobalDescr( "map",
                                                 "java.util.Map" ) );


        final ExprConstraintDescr predicate = new ExprConstraintDescr( "eval(( ( Integer )map.get( new Integer(x) )).intValue() == y)" );
        pattern.addConstraint( predicate );


        ruleDescr.setConsequence( "update(stilton);" );


        builder.addPackage( packageDescr );

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Examples of org.drools.lang.descr.ExprConstraintDescr

    }


    @Test
    public void testNumbers() throws Exception {
        // test boolean
        createLiteralRule( new ExprConstraintDescr( "booleanPrimitive == true ") );


        // test boolean
        createLiteralRule( new ExprConstraintDescr( "booleanPrimitive == false ") );


        // test char
        createLiteralRule( new ExprConstraintDescr( "charPrimitive == 'a' ") );
        createLiteralRule( new ExprConstraintDescr( "charPrimitive == \"a\" ") );


        // test byte
        createLiteralRule( new ExprConstraintDescr( "bytePrimitive == 1 ")  );
        createLiteralRule( new ExprConstraintDescr( "bytePrimitive == 0 ")  );
        createLiteralRule(  new ExprConstraintDescr( "bytePrimitive == -1 ") );


        // test short
        createLiteralRule( new ExprConstraintDescr( "shortPrimitive == 1 ")  );               
        createLiteralRule(  new ExprConstraintDescr( "shortPrimitive == 0 ")  );        
        createLiteralRule( new ExprConstraintDescr( "shortPrimitive == -1 ")  );


        // test int
        createLiteralRule( new ExprConstraintDescr( "intPrimitive == 1") );
        createLiteralRule(  new ExprConstraintDescr( "intPrimitive == 0") );
        createLiteralRule(  new ExprConstraintDescr( "intPrimitive == -1")  );


        // test long
        createLiteralRule( new ExprConstraintDescr( "longPrimitive == 1") );
        createLiteralRule( new ExprConstraintDescr( "longPrimitive == 0") );
        createLiteralRule( new ExprConstraintDescr( "longPrimitive == -1") );


        // test float
        createLiteralRule( new ExprConstraintDescr( "floatPrimitive == 1.1") );
        createLiteralRule( new ExprConstraintDescr( "floatPrimitive == 0") );
        createLiteralRule( new ExprConstraintDescr( "floatPrimitive == -1.1") );


        // test double
        createLiteralRule(  new ExprConstraintDescr( "doublePrimitive == 1.1") );
        createLiteralRule(  new ExprConstraintDescr( "doublePrimitive == 0") );
        createLiteralRule(  new ExprConstraintDescr( "doublePrimitive == -1.1") );
    }

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Examples of org.drools.lang.descr.ExprConstraintDescr

        pattern.addBinding( fieldBindingDescr );


        packageDescr.addGlobal( new GlobalDescr( "map",
                                                 "java.util.Map" ) );


        pattern.addConstraint( new ExprConstraintDescr("price == (" + expression + ")") );


        ruleDescr.setConsequence( "update(stilton);" );
    }

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Examples of org.drools.lang.descr.ExprConstraintDescr

        pattern.addBinding( fieldBindingDescr2 );


        packageDescr.addGlobal( new GlobalDescr( "map",
                                                 "java.util.Map" ) );


        pattern.addConstraint( new ExprConstraintDescr( expression ) );


        ruleDescr.setConsequence( "update(stilton);" );
    }

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Examples of org.drools.lang.descr.ExprConstraintDescr

        lhs.addDescr( (BaseDescr) ceDescr );


        final PatternDescr patternDescr = new PatternDescr( Cheese.class.getName(),
                                                            "stilton" );


        patternDescr.addConstraint( new ExprConstraintDescr( "type == \"stilton\" ")  );


        ceDescr.addDescr( patternDescr );


        ruleDescr.setConsequence( consequence );

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Examples of org.drools.lang.descr.ExprConstraintDescr

        PatternDescr pattern = (PatternDescr) ((RuleDescr) parse( "rule",
                                                                  text )).getLhs().getDescrs().get( 0 );


        assertEquals( 1,
                      pattern.getDescrs().size() );
        ExprConstraintDescr fcd = (ExprConstraintDescr) pattern.getDescrs().get( 0 );
        assertEquals( "age < 42 || location==\"atlanta\"",
                      fcd.getExpression() );
    }

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Examples of org.drools.lang.descr.ExprConstraintDescr

                                                         text )).getLhs();


        assertEquals( 1,
                      descrs.getDescrs().size() );
        PatternDescr pat = (PatternDescr) descrs.getDescrs().get( 0 );
        ExprConstraintDescr fieldConstr = (ExprConstraintDescr) pat.getConstraint().getDescrs().get( 0 );


        assertEquals( "bar > 1 || == 1",
                      fieldConstr.getExpression() );
    }

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Examples of org.drools.lang.descr.ExprConstraintDescr

        assertEquals( 1,
                      eventB.getConstraint().getDescrs().size() );
        assertEquals( 1,
                      eventB.getConstraint().getDescrs().size() );


        final ExprConstraintDescr fcdB = (ExprConstraintDescr) eventB.getConstraint().getDescrs().get( 0 );
        assertEquals( "this after[1,10] $a || this not after[15,20] $a",
                      fcdB.getExpression() );


        final PatternDescr eventC = (PatternDescr) rule.getLhs().getDescrs().get( 2 );
        assertEquals( "$c",
                      eventC.getIdentifier() );
        assertEquals( "EventC",
                      eventC.getObjectType() );
        assertEquals( 1,
                      eventC.getConstraint().getDescrs().size() );
        final ExprConstraintDescr fcdC = (ExprConstraintDescr) eventC.getConstraint().getDescrs().get( 0 );
        assertEquals( "this finishes $b",
                      fcdC.getExpression() );


        final PatternDescr eventD = (PatternDescr) rule.getLhs().getDescrs().get( 3 );
        assertEquals( "$d",
                      eventD.getIdentifier() );
        assertEquals( "EventD",
                      eventD.getObjectType() );
        assertEquals( 1,
                      eventD.getConstraint().getDescrs().size() );
        final ExprConstraintDescr fcdD = (ExprConstraintDescr) eventD.getConstraint().getDescrs().get( 0 );
        assertEquals( "this not starts $a",
                      fcdD.getExpression() );


        final PatternDescr eventE = (PatternDescr) rule.getLhs().getDescrs().get( 4 );
        assertEquals( "$e",
                      eventE.getIdentifier() );
        assertEquals( "EventE",
                      eventE.getObjectType() );
        assertEquals( 1,
                      eventE.getConstraint().getDescrs().size() );


        ExprConstraintDescr fcdE = (ExprConstraintDescr) eventE.getConstraint().getDescrs().get( 0 );
        assertEquals( "this not before[1, 10] $b || after[1, 10] $c && this after[1, 5] $d",
                      fcdE.getExpression() );
    }

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