Examples of LiteralRestrictionDescr

org.drools.compiler.lang.descr.LiteralRestrictionDescr
This represents a literal node in the rule language. This is a constraint on a single field of a pattern. The "text" contains the content.
org.drools.lang.descr.LiteralRestrictionDescr
This represents a literal node in the rule language. This is a constraint on a single field of a pattern. The "text" contains the content.

Examples of org.drools.compiler.lang.descr.LiteralRestrictionDescr

        lhs = new AndDescr();
        ruleDescr.setLhs( lhs );
        patternDescr = new PatternDescr( Cheese.class.getName(),
                                         "stilton" );
        literalDescr = new FieldConstraintDescr( "type" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "!=",
                                                                  null ) );
        patternDescr.addConstraint( literalDescr );
        ruleDescr.setConsequence( "" );


        ruleDescr = new RuleDescr( "rule-2" );
        ruleDescr.setLocation( 42,
                               43 );
        packageDescr.addRule( ruleDescr );
        lhs = new AndDescr();
        ruleDescr.setLhs( lhs );
        patternDescr = new PatternDescr( Cheese.class.getName(),
                                         "stilton" );


        literalDescr = new FieldConstraintDescr( "type" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "!=",
                                                                  null ) );


        patternDescr.addConstraint( literalDescr );
        ruleDescr.setConsequence( "" );

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Examples of org.drools.compiler.lang.descr.LiteralRestrictionDescr

        AndDescr lhs = new AndDescr();
        ruleDescr.setLhs( lhs );
        PatternDescr patternDescr = new PatternDescr( Cheese.class.getName(),
                                                      "stilton" );
        FieldConstraintDescr literalDescr = new FieldConstraintDescr( "type" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "==",
                                                                  null ) );
        patternDescr.addConstraint( literalDescr );
        ruleDescr.setConsequence( "" );


        return packageDescr;

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Examples of org.drools.compiler.lang.descr.LiteralRestrictionDescr


        final BindingDescr fieldBindingDescr = new BindingDescr( "$type",
                                                                 "type" );


        final FieldConstraintDescr literalDescr = new FieldConstraintDescr( "type" );
        literalDescr.addRestriction( new LiteralRestrictionDescr( "==",
                                                                  "stilton" ) );


        pattern1.addConstraint( fieldBindingDescr );
        pattern1.addConstraint( literalDescr );

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Examples of org.drools.lang.descr.LiteralRestrictionDescr

        PatternDescr pattern = (PatternDescr) lhs.getDescrs().get( 0 );
        assertEquals( 1,
                      pattern.getConstraint().getDescrs().size() );
        AndDescr fieldAnd = (AndDescr) pattern.getConstraint();
        FieldConstraintDescr fld = (FieldConstraintDescr) fieldAnd.getDescrs().get( 0 );
        LiteralRestrictionDescr lit = (LiteralRestrictionDescr) fld.getRestrictions().get( 0 );


        assertEquals( "==",
                      lit.getEvaluator() );
        assertEquals( "false",
                      lit.getText() );
        assertEquals( "bar",
                      fld.getFieldName() );


        pattern = (PatternDescr) lhs.getDescrs().get( 1 );
        assertEquals( 1,
                      pattern.getConstraint().getDescrs().size() );


        fieldAnd = (AndDescr) pattern.getConstraint();
        fld = (FieldConstraintDescr) fieldAnd.getDescrs().get( 0 );
        lit = (LiteralRestrictionDescr) fld.getRestrictions().get( 0 );


        assertEquals( ">",
                      lit.getEvaluator() );
        assertEquals( "-42",
                      lit.getText() );
        assertEquals( "boo",
                      fld.getFieldName() );


        pattern = (PatternDescr) lhs.getDescrs().get( 2 );
        assertEquals( 1,
                      pattern.getConstraint().getDescrs().size() );


        //lit = (LiteralDescr) col.getDescrs().get( 0 );


        fieldAnd = (AndDescr) pattern.getConstraint();
        fld = (FieldConstraintDescr) fieldAnd.getDescrs().get( 0 );
        lit = (LiteralRestrictionDescr) fld.getRestrictions().get( 0 );
        assertEquals( ">",
                      lit.getEvaluator() );
        assertEquals( "-42.42",
                      lit.getText() );
        assertEquals( "boo",
                      fld.getFieldName() );


        assertFalse( parser.hasErrors() );
    }

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Examples of org.drools.lang.descr.LiteralRestrictionDescr

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


        AndDescr fieldAnd = (AndDescr) first.getConstraint();
        FieldConstraintDescr fld = (FieldConstraintDescr) fieldAnd.getDescrs().get( 0 );
        LiteralRestrictionDescr constraint = (LiteralRestrictionDescr) fld.getRestrictions().get( 0 );


        assertNotNull( constraint );


        assertEquals( "a",
                      fld.getFieldName() );
        assertEquals( "==",
                      constraint.getEvaluator() );
        assertEquals( "3",
                      constraint.getText() );


        // Check second pattern
        final PatternDescr second = (PatternDescr) lhs.getDescrs().get( 1 );
        assertEquals( "foo4",
                      second.getIdentifier() );
        assertEquals( "Bar",
                      second.getObjectType() );


        //System.err.println( second.getDescrs() );


        fieldAnd = (AndDescr) second.getConstraint();
        assertEquals( 2,
                      fieldAnd.getDescrs().size() );


        final FieldBindingDescr fieldBindingDescr = (FieldBindingDescr) fieldAnd.getDescrs().get( 0 );
        assertEquals( "a",
                      fieldBindingDescr.getFieldName() );
        assertEquals( "a4",
                      fieldBindingDescr.getIdentifier() );


        fld = (FieldConstraintDescr) fieldAnd.getDescrs().get( 1 );
        constraint = (LiteralRestrictionDescr) fld.getRestrictions().get( 0 );


        assertNotNull( constraint );


        assertEquals( "a",
                      fld.getFieldName() );
        assertEquals( "==",
                      constraint.getEvaluator() );
        assertEquals( "4",
                      constraint.getText() );


        // Check third pattern
        final PatternDescr third = (PatternDescr) lhs.getDescrs().get( 2 );
        assertNull( third.getIdentifier() );
        assertEquals( "Baz",

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Examples of org.drools.lang.descr.LiteralRestrictionDescr

        assertEquals( 2,
                      fld.getRestrictions().size() );
        assertEquals( "age",
                      fld.getFieldName() );


        LiteralRestrictionDescr lit = (LiteralRestrictionDescr) fld.getRestrictions().get( 0 );
        assertEquals( ">",
                      lit.getEvaluator() );
        assertEquals( "30",
                      lit.getText() );


        lit = (LiteralRestrictionDescr) fld.getRestrictions().get( 1 );
        assertEquals( "<",
                      lit.getEvaluator() );
        assertEquals( "40",
                      lit.getText() );


        //the second col, with 2 fields, the first with 2 restrictions, the second field with one
        pattern = (PatternDescr) rule.getLhs().getDescrs().get( 1 );
        assertEquals( "Vehicle",
                      pattern.getObjectType() );
        assertEquals( 2,
                      pattern.getConstraint().getDescrs().size() );


        and = (AndDescr) pattern.getConstraint();
        fld = (FieldConstraintDescr) and.getDescrs().get( 0 );
        assertEquals( "type",
                      fld.getFieldName() );
        assertEquals( 1,
                      fld.getRestrictions().size() );
        RestrictionConnectiveDescr or = (RestrictionConnectiveDescr) fld.getRestrictions().get( 0 );
        assertEquals( RestrictionConnectiveDescr.OR,
                      or.getConnective() );
        assertEquals( 2,
                      or.getRestrictions().size() );
        lit = (LiteralRestrictionDescr) or.getRestrictions().get( 0 );
        assertEquals( "==",
                      lit.getEvaluator() );
        assertEquals( "sedan",
                      lit.getText() );


        lit = (LiteralRestrictionDescr) or.getRestrictions().get( 1 );
        assertEquals( "==",
                      lit.getEvaluator() );
        assertEquals( "wagon",
                      lit.getText() );


        //now the second field
        fld = (FieldConstraintDescr) and.getDescrs().get( 1 );
        assertEquals( 1,
                      fld.getRestrictions().size() );
        lit = (LiteralRestrictionDescr) fld.getRestrictions().get( 0 );
        assertEquals( "<",
                      lit.getEvaluator() );
        assertEquals( "3",
                      lit.getText() );


    }

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Examples of org.drools.lang.descr.LiteralRestrictionDescr

                      first.getConstraint().getDescrs().size() );


        //LiteralDescr constraint = (LiteralDescr) first.getDescrs().get( 0 );
        AndDescr and = (AndDescr) first.getConstraint();
        FieldConstraintDescr fld = (FieldConstraintDescr) and.getDescrs().get( 0 );
        LiteralRestrictionDescr constraint = (LiteralRestrictionDescr) fld.getRestrictions().get( 0 );


        assertNotNull( constraint );


        assertEquals( "a",
                      fld.getFieldName() );
        assertEquals( "==",
                      constraint.getEvaluator() );
        assertEquals( "3",
                      constraint.getText() );


        // Check second pattern
        final PatternDescr second = (PatternDescr) lhs.getDescrs().get( 1 );
        assertEquals( "foo4",
                      second.getIdentifier() );
        assertEquals( "Bar",
                      second.getObjectType() );


        and = (AndDescr) second.getConstraint();
        assertEquals( 2,
                      and.getDescrs().size() );


        //System.err.println( second.getDescrs() );


        final FieldBindingDescr fieldBindingDescr = (FieldBindingDescr) and.getDescrs().get( 0 );
        assertEquals( "a",
                      fieldBindingDescr.getFieldName() );
        assertEquals( "a4",
                      fieldBindingDescr.getIdentifier() );


        fld = (FieldConstraintDescr) and.getDescrs().get( 1 );


        constraint = (LiteralRestrictionDescr) fld.getRestrictions().get( 0 );


        assertNotNull( constraint );


        assertEquals( "a",
                      fld.getFieldName() );
        assertEquals( "==",
                      constraint.getEvaluator() );
        assertEquals( "4",
                      constraint.getText() );


        // Check third pattern
        final PatternDescr third = (PatternDescr) lhs.getDescrs().get( 2 );
        assertNull( third.getIdentifier() );
        assertEquals( "Baz",

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Examples of org.drools.lang.descr.LiteralRestrictionDescr

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


        final AndDescr and = (AndDescr) pattern.getConstraint();
        final FieldConstraintDescr fld = (FieldConstraintDescr) and.getDescrs().get( 0 );
        final LiteralRestrictionDescr lit = (LiteralRestrictionDescr) fld.getRestrictions().get( 0 );


        assertEquals( "==",
                      lit.getEvaluator() );
        assertEquals( "stilton",
                      lit.getText() );
        assertEquals( "type",
                      fld.getFieldName() );


        assertFalse( this.parser.hasErrors() );
    }

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Examples of org.drools.lang.descr.LiteralRestrictionDescr

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


        AndDescr and = (AndDescr) first.getConstraint();
        FieldConstraintDescr fld = (FieldConstraintDescr) and.getDescrs().get( 0 );
        LiteralRestrictionDescr constraint = (LiteralRestrictionDescr) fld.getRestrictions().get( 0 );
        //LiteralDescr constraint = (LiteralDescr) first.getDescrs().get( 0 );


        assertNotNull( constraint );


        assertEquals( "a",
                      fld.getFieldName() );
        assertEquals( "==",
                      constraint.getEvaluator() );
        assertEquals( "3",
                      constraint.getText() );


        // Check second pattern
        final PatternDescr second = (PatternDescr) lhs.getDescrs().get( 1 );
        assertEquals( "foo4",
                      second.getIdentifier() );
        assertEquals( "Bar",
                      second.getObjectType() );


        and = (AndDescr) second.getConstraint();
        assertEquals( 2,
                      and.getDescrs().size() );
        //check it has field bindings.
        final FieldBindingDescr fieldBindingDescr = (FieldBindingDescr) and.getDescrs().get( 0 );
        assertEquals( "a",
                      fieldBindingDescr.getFieldName() );
        assertEquals( "a4",
                      fieldBindingDescr.getIdentifier() );


        fld = (FieldConstraintDescr) and.getDescrs().get( 1 );


        constraint = (LiteralRestrictionDescr) fld.getRestrictions().get( 0 );


        assertNotNull( constraint );


        assertEquals( "a",
                      fld.getFieldName() );
        assertEquals( "==",
                      constraint.getEvaluator() );
        assertEquals( "4",
                      constraint.getText() );


        assertFalse( this.parser.hasErrors() );
    }

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Examples of org.drools.lang.descr.LiteralRestrictionDescr

        FieldBindingDescr fieldBinding = (FieldBindingDescr) cheese.getConstraint().getDescrs().get( 0 );
        assertEquals( "type",
                      fieldBinding.getFieldName() );


        FieldConstraintDescr fld = (FieldConstraintDescr) cheese.getConstraint().getDescrs().get( 1 );
        LiteralRestrictionDescr literalDescr = (LiteralRestrictionDescr) fld.getRestrictions().get( 0 );
        //LiteralDescr literalDescr = (LiteralDescr) cheese.getDescrs().get( 1 );
        assertEquals( "type",
                      fld.getFieldName() );
        assertEquals( "==",
                      literalDescr.getEvaluator() );
        assertEquals( "stilton",
                      literalDescr.getText() );


        final PatternDescr person = (PatternDescr) lhs.getDescrs().get( 1 );
        fieldBinding = (FieldBindingDescr) person.getConstraint().getDescrs().get( 0 );
        assertEquals( "name",
                      fieldBinding.getFieldName() );


        fld = (FieldConstraintDescr) person.getConstraint().getDescrs().get( 1 );
        literalDescr = (LiteralRestrictionDescr) fld.getRestrictions().get( 0 );


        assertEquals( "name",
                      fld.getFieldName() );
        assertEquals( "==",
                      literalDescr.getEvaluator() );
        assertEquals( "bob",
                      literalDescr.getText() );


        fld = (FieldConstraintDescr) person.getConstraint().getDescrs().get( 2 );
        final VariableRestrictionDescr variableDescr = (VariableRestrictionDescr) fld.getRestrictions().get( 0 );


        assertEquals( "likes",

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