Package org.drools.lang.descr

Examples of org.drools.lang.descr.PredicateDescr

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        pattern.addConstraint( fieldBindingDescr2 );

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

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

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

        builder.addPackage( packageDescr );
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        pattern.addConstraint( fieldBindingDescr2 );

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

        final PredicateDescr predicate = new PredicateDescr( expression );
        pattern.addConstraint( predicate );

        ruleDescr.setConsequence( "update(stilton);" );
    }
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        AndDescr and = (AndDescr) col.getConstraint();
        assertEquals( 2,
                      and.getDescrs().size() );

        final FieldBindingDescr field = (FieldBindingDescr) and.getDescrs().get( 0 );
        final PredicateDescr pred = (PredicateDescr) and.getDescrs().get( 1 );
        assertEquals( "age",
                      field.getFieldName() );
        assertEquals( "$age2",
                      field.getIdentifier() );
        assertEqualsIgnoreWhitespace( "$age2 == $age1+2",
                                      (String) pred.getContent() );
    }
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        final List constraints = pattern.getConstraint().getDescrs();
        assertEquals( 2,
                      constraints.size() );

        final FieldBindingDescr field = (FieldBindingDescr) constraints.get( 0 );
        final PredicateDescr predicate = (PredicateDescr) constraints.get( 1 );
        assertEquals( "$var",
                      field.getIdentifier() );
        assertEquals( "attr",
                      field.getFieldName() );
        assertEquals( " $var.equals(\"xyz\") ",
                      predicate.getContent() );
    }
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        final List constraints = pattern.getConstraint().getDescrs();
        assertEquals( 1,
                      constraints.size() );

        final PredicateDescr predicate = (PredicateDescr) constraints.get( 0 );
        assertEquals( " $var.equals(\"xyz\") ",
                      predicate.getContent() );
    }
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                                                    Object content,
                                                    final Map<String,Class<?>>[] availableIdentifiers,
                                                    Map<String,Class<?>> localTypes) {
        if ( descr instanceof PredicateDescr ) {
            Appendable builder = new StringBuilderAppendable();
            PredicateDescr pdescr = (PredicateDescr) descr;
            if ( pdescr.getContent() instanceof LispForm ) {
                FunctionHandlers.dump( (LispForm) pdescr.getContent(),
                                       builder,
                                       true);

                content = builder.toString();
                pdescr.setContent( content );
            }
        } else if ( descr instanceof ReturnValueRestrictionDescr ) {
            Appendable builder = new StringBuilderAppendable();
            ReturnValueRestrictionDescr rdescr = (ReturnValueRestrictionDescr) descr;
            if ( rdescr.getContent() instanceof LispForm ) {
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        LispForm lispForm = ( LispForm ) retDescr.getContent();
        assertEquals("(+ 2 3)", lispForm.toString() );

        // ----------------
        // this is how it would be compatible to our core engine
        PredicateDescr predicateDescr = (PredicateDescr) colList.get( 2 );
       
        lispForm = ( LispForm ) predicateDescr.getContent();
        assertEquals("(< 1 2)", lispForm.toString() );

        // -----------------
        // Parse the second column
        PatternDescr hobbyPattern = (PatternDescr) lhsList.get( 1 );
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        AndDescr and = (AndDescr) col.getConstraint();
        assertEquals( 2,
                      and.getDescrs().size() );

        final FieldBindingDescr field = (FieldBindingDescr) and.getDescrs().get( 0 );
        final PredicateDescr pred = (PredicateDescr) and.getDescrs().get( 1 );
        assertEquals( "age",
                      field.getFieldName() );
        assertEquals( "$age2",
                      field.getIdentifier() );
        assertEqualsIgnoreWhitespace( "$age2 == $age1+2",
                                      (String) pred.getContent() );
    }
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        final List constraints = pattern.getConstraint().getDescrs();
        assertEquals( 2,
                      constraints.size() );

        final FieldBindingDescr field = (FieldBindingDescr) constraints.get( 0 );
        final PredicateDescr predicate = (PredicateDescr) constraints.get( 1 );
        assertEquals( "$var",
                      field.getIdentifier() );
        assertEquals( "attr",
                      field.getFieldName() );
        assertEquals( " $var.equals(\"xyz\") ",
                      predicate.getContent() );
    }
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        final List constraints = pattern.getConstraint().getDescrs();
        assertEquals( 1,
                      constraints.size() );

        final PredicateDescr predicate = (PredicateDescr) constraints.get( 0 );
        assertEquals( " $var.equals(\"xyz\") ",
                      predicate.getContent() );
    }
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Related Classes of org.drools.lang.descr.PredicateDescr

  • org.drools.clips.LhsClpParserTest
  • org.drools.compiler.PackageBuilderTest
  • org.drools.compiler.xml.rules.PredicateHandler
  • org.drools.compiler.xml.rules.XmlPackageReaderTest
  • org.drools.lang.RuleParserTest
  • org.drools.rule.builder.ConstraintBuilder
  • org.drools.rule.builder.dialect.asm.AbstractASMEvalBuilder
  • org.drools.rule.builder.dialect.clips.ClipsDialect
  • org.drools.rule.builder.dialect.mvel.MVELPredicateBuilderTest
  • org.drools.rule.builder.MVELConstraintBuilder
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