Package org.drools.lang.descr

Examples of org.drools.lang.descr.LiteralRestrictionDescr

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

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

        patternDescr.addConstraint( literalDescr );

        ruleDescr.setConsequence( "" );
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        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( "" );

        ruleDescr = new RuleDescr( "rule-1" );
        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( "" );

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

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

        pattern1.addConstraint( fieldBindingDescr );
        pattern1.addConstraint( literalDescr );
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        final PatternDescr patternDescr = new PatternDescr( Cheese.class.getName(),
                                                            "stilton" );

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

        patternDescr.addConstraint( literalDescr );

        ceDescr.addDescr( patternDescr );
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        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() );
    }
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        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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        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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        FieldConstraintDescr fieldConstraintDescr = (FieldConstraintDescr) patternDescr.getDescrs().get( 1 );
        assertEquals( "name",
                      fieldConstraintDescr.getFieldName() );
        assertEquals( 1,
                      fieldConstraintDescr.getRestriction().getRestrictions().size() );
        LiteralRestrictionDescr literalRestrictionDescr = (LiteralRestrictionDescr) fieldConstraintDescr.getRestriction().getRestrictions().get( 0 );
        assertEquals( "==",
                      literalRestrictionDescr.getEvaluator() );
        assertEquals( "Bob",
                      literalRestrictionDescr.getText() );
       
        FieldBindingDescr ageBind = (FieldBindingDescr) patternDescr.getDescrs().get( 2 );
        assertEquals( "$a", ageBind.getIdentifier() );
        assertEquals( "age", ageBind.getFieldName() );
        fieldConstraintDescr = (FieldConstraintDescr) patternDescr.getDescrs().get( 3 );
        assertEquals( "age",
                      fieldConstraintDescr.getFieldName() );
        assertEquals( 1,
                      fieldConstraintDescr.getRestriction().getRestrictions().size() );
        literalRestrictionDescr = (LiteralRestrictionDescr) fieldConstraintDescr.getRestriction().getRestrictions().get( 0 );
        assertEquals( "==",
                      literalRestrictionDescr.getEvaluator() );
        assertEquals( "20",
                      literalRestrictionDescr.getText() );
    }
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                      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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        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() );
    }
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Related Classes of org.drools.lang.descr.LiteralRestrictionDescr

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  • org.drools.compiler.PackageBuilderTest
  • org.drools.compiler.xml.rules.LiteralRestrictionHandler
  • org.drools.compiler.xml.rules.XmlPackageReaderTest
  • org.drools.lang.RuleParserTest
  • org.drools.rule.builder.dialect.java.RuleBuilderTest
  • org.drools.rule.builder.PatternBuilder
  • org.drools.xml.LiteralRestrictionHandler
  • org.drools.xml.rules.LiteralRestrictionHandler
  • org.drools.xml.rules.XmlPackageReaderTest
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