Examples of PredicateConstraint

org.drools.core.rule.PredicateConstraint
A predicate can be written as a top level constraint or be nested inside inside a field constraint (and as so, must implement the Restriction interface).
org.drools.rule.PredicateConstraint
A predicate can be written as a top level constraint or be nested inside inside a field constraint (and as so, must implement the Restriction interface). @author etirelli

Examples of org.drools.rule.PredicateConstraint

        builder1.addPackage( packageDescr1 );
        if ( builder1.hasErrors() ) {
           fail( builder1.getErrors().toString() );
        }
        final Pattern pattern1 = (Pattern) builder1.getPackage().getRules()[0].getLhs().getChildren().get( 0 );
        final PredicateConstraint predicate1 = (PredicateConstraint) pattern1.getConstraints().get( 0 );


        final PackageBuilder builder2 = new PackageBuilder();
        final PackageDescr packageDescr2 = new PackageDescr( "package2" );
        createPredicateRule( packageDescr2,
                             "eval(x==y)" );
        builder2.addPackage( packageDescr2 );
        if ( builder2.hasErrors() ) {
            fail( builder2.getErrors().toString() );
         }
        
        final Pattern pattern2 = (Pattern) builder2.getPackage().getRules()[0].getLhs().getChildren().get( 0 );
        final PredicateConstraint predicate2 = (PredicateConstraint) pattern2.getConstraints().get( 0 );


        final PackageBuilder builder3 = new PackageBuilder();
        if ( builder3.hasErrors() ) {
            fail( builder3.getErrors().toString() );
         }        
        final PackageDescr packageDescr3 = new PackageDescr( "package3" );
        createPredicateRule( packageDescr3,
                             "eval(x!=y)" );
        builder3.addPackage( packageDescr3 );
        final Pattern pattern3 = (Pattern) builder3.getPackage().getRules()[0].getLhs().getChildren().get( 0 );
        final PredicateConstraint predicate3 = (PredicateConstraint) pattern3.getConstraints().get( 0 );


        assertEquals( predicate1,
                      predicate2 );
        assertFalse( predicate1.equals( predicate3 ) );
        assertFalse( predicate2.equals( predicate3 ) );

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Examples of org.drools.rule.PredicateConstraint


    @Test
    public void testAlphaWithPredicate() {
        final CompositeObjectSinkAdapter ad = new CompositeObjectSinkAdapter();
        final AlphaNode al = new AlphaNode( buildContext.getNextId(),
                                            new PredicateConstraint( null,
                                                                     null ),
                                            null,
                                            buildContext );
        ad.addObjectSink( al );

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Examples of org.drools.rule.PredicateConstraint

                break;
            }
        }
        
        AlphaNode alphanode = (AlphaNode) node.getSinkPropagator().getSinks()[0];
        PredicateConstraint c = ( PredicateConstraint ) alphanode.getConstraint();
        assertTrue( c.getPredicateExpression() instanceof PredicateExpression );
        assertTrue( c.getPredicateExpression() instanceof CompiledInvoker );
        assertTrue( !(c.getPredicateExpression() instanceof MVELPredicateExpression ) );
        
        alphanode = (AlphaNode) alphanode.getSinkPropagator().getSinks()[0];
        ReturnValueRestriction r = (ReturnValueRestriction) (( VariableConstraint ) alphanode.getConstraint()).getRestriction();
        
        assertTrue( r.getExpression() instanceof ReturnValueExpression );

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Examples of org.drools.rule.PredicateConstraint

            }
        }
        
        BetaNode betaanode = (BetaNode) node.getSinkPropagator().getSinks()[0];
        BetaNodeFieldConstraint[] constraint = ( BetaNodeFieldConstraint[] ) betaanode.getConstraints();
        PredicateConstraint c = ( PredicateConstraint ) constraint[0];
        assertTrue( c.getPredicateExpression() instanceof PredicateExpression );
        assertTrue( c.getPredicateExpression() instanceof CompiledInvoker );
        assertTrue( !(c.getPredicateExpression() instanceof MVELPredicateExpression ) );
         
        ReturnValueRestriction r = ( ReturnValueRestriction ) (( VariableConstraint )constraint[1]).getRestriction();
        assertTrue( r.getExpression() instanceof ReturnValueExpression );
        assertTrue( r.getExpression() instanceof CompiledInvoker );
        assertTrue( !(r.getExpression() instanceof MVELReturnValueExpression ) );

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Examples of org.drools.rule.PredicateConstraint

        Arrays.sort( previousDeclarations,
                     SortDeclarations.instance );
        Arrays.sort( localDeclarations,
                     SortDeclarations.instance );


        final PredicateConstraint predicateConstraint = new PredicateConstraint( null,
                                                                                 previousDeclarations,
                                                                                 localDeclarations,
                                                                                 requiredGlobals,
                                                                                 requiredOperators );


        if ( container == null ) {
            pattern.addConstraint( predicateConstraint );
        } else {
            if ( predicateConstraint.getType().equals( Constraint.ConstraintType.UNKNOWN ) ) {
                this.setConstraintType( pattern, predicateConstraint );
            }
            container.addConstraint( predicateConstraint );
        }

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Examples of org.drools.rule.PredicateConstraint


        final Declaration[] previousDeclarations = (Declaration[]) tupleDeclarations.toArray( new Declaration[tupleDeclarations.size()] );
        final Declaration[] localDeclarations = (Declaration[]) factDeclarations.toArray( new Declaration[factDeclarations.size()] );
        final String[] requiredGlobals = (String[]) usedIdentifiers[1].toArray( new String[usedIdentifiers[1].size()] );


        final PredicateConstraint predicateConstraint = new PredicateConstraint( null,
                                                                                 previousDeclarations,
                                                                                 localDeclarations,
                                                                                 requiredGlobals );


        if ( container == null ) {
            pattern.addConstraint( predicateConstraint );
        } else {
            if ( predicateConstraint.getType().equals( Constraint.ConstraintType.UNKNOWN ) ) {
                this.setConstraintType( pattern,
                                        (MutableTypeConstraint) predicateConstraint );
            }
            container.addConstraint( predicateConstraint );
        }

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Examples of org.drools.rule.PredicateConstraint

        Arrays.sort( previousDeclarations,
                     SortDeclarations.instance );
        Arrays.sort( localDeclarations,
                     SortDeclarations.instance );


        final PredicateConstraint predicateConstraint = new PredicateConstraint( null,
                                                                                 previousDeclarations,
                                                                                 localDeclarations,
                                                                                 requiredGlobals,
                                                                                 requiredOperators );


        if ( container == null ) {
            pattern.addConstraint( predicateConstraint );
        } else {
            if ( predicateConstraint.getType().equals( Constraint.ConstraintType.UNKNOWN ) ) {
                this.setConstraintType( pattern,
                                        (MutableTypeConstraint) predicateConstraint );
            }
            container.addConstraint( predicateConstraint );
        }

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Examples of org.drools.rule.PredicateConstraint

        Arrays.sort( previousDeclarations,
                     SortDeclarations.instance );
        Arrays.sort( localDeclarations,
                     SortDeclarations.instance );


        final PredicateConstraint predicateConstraint = new PredicateConstraint( null,
                                                                                 previousDeclarations,
                                                                                 localDeclarations,
                                                                                 requiredGlobals,
                                                                                 requiredOperators );


        if ( container == null ) {
            pattern.addConstraint( predicateConstraint );
        } else {
            if ( predicateConstraint.getType().equals( Constraint.ConstraintType.UNKNOWN ) ) {
                this.setConstraintType( pattern,
                                        (MutableTypeConstraint) predicateConstraint );
            }
            container.addConstraint( predicateConstraint );
        }

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Examples of org.drools.rule.PredicateConstraint

        final PackageDescr packageDescr1 = new PackageDescr( "package1" );
        createPredicateRule( packageDescr1,
                             "x==y" );
        builder1.addPackage( packageDescr1 );
        final Pattern pattern1 = (Pattern) builder1.getPackage().getRules()[0].getLhs().getChildren().get( 0 );
        final PredicateConstraint predicate1 = (PredicateConstraint) pattern1.getConstraints().get( 2 );


        final PackageBuilder builder2 = new PackageBuilder();
        final PackageDescr packageDescr2 = new PackageDescr( "package2" );
        createPredicateRule( packageDescr2,
                             "x==y" );
        builder2.addPackage( packageDescr2 );
        final Pattern pattern2 = (Pattern) builder2.getPackage().getRules()[0].getLhs().getChildren().get( 0 );
        final PredicateConstraint predicate2 = (PredicateConstraint) pattern2.getConstraints().get( 2 );


        final PackageBuilder builder3 = new PackageBuilder();
        final PackageDescr packageDescr3 = new PackageDescr( "package3" );
        createPredicateRule( packageDescr3,
                             "x!=y" );
        builder3.addPackage( packageDescr3 );
        final Pattern pattern3 = (Pattern) builder3.getPackage().getRules()[0].getLhs().getChildren().get( 0 );
        final PredicateConstraint predicate3 = (PredicateConstraint) pattern3.getConstraints().get( 2 );


        assertEquals( predicate1,
                      predicate2 );
        assertFalse( predicate1.equals( predicate3 ) );
        assertFalse( predicate2.equals( predicate3 ) );

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Examples of org.drools.rule.PredicateConstraint


        final Declaration[] previousDeclarations = (Declaration[]) tupleDeclarations.toArray( new Declaration[tupleDeclarations.size()] );
        final Declaration[] localDeclarations = (Declaration[]) factDeclarations.toArray( new Declaration[factDeclarations.size()] );
        final String[] requiredGlobals = (String[]) usedIdentifiers[1].toArray( new String[usedIdentifiers[1].size()] );


        final PredicateConstraint predicateConstraint = new PredicateConstraint( null,
                                                                                 previousDeclarations,
                                                                                 localDeclarations,
                                                                                 requiredGlobals );


        if ( container == null ) {
            pattern.addConstraint( predicateConstraint );
        } else {
            if ( predicateConstraint.getType().equals( Constraint.ConstraintType.UNKNOWN ) ) {
                this.setConstraintType( pattern,
                                        (MutableTypeConstraint) predicateConstraint );
            }
            container.addConstraint( predicateConstraint );
        }

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