Package org.drools.lang.descr

Examples of org.drools.lang.descr.PatternDescr

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        assertFalse( parser.getErrorMessages().toString(),
                     parser.hasErrors() );

        assertEquals( 2,
                      descrs.getDescrs().size() );
        PatternDescr pat = (PatternDescr) descrs.getDescrs().get( 1 );
        FieldConstraintDescr fieldConstr = (FieldConstraintDescr) pat.getConstraint().getDescrs().get( 0 );
        VariableRestrictionDescr restr = (VariableRestrictionDescr) fieldConstr.getRestrictions().get( 0 );

        assertEquals( "not contains",
                      restr.getEvaluator() );
        assertEquals( "$city",
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        assertFalse( parser.getErrorMessages().toString(),
                     parser.hasErrors() );

        assertEquals( 1,
                      descrs.getDescrs().size() );
        PatternDescr pat = (PatternDescr) descrs.getDescrs().get( 0 );
        FieldConstraintDescr fieldConstr = (FieldConstraintDescr) pat.getConstraint().getDescrs().get( 0 );
        LiteralRestrictionDescr restr = (LiteralRestrictionDescr) fieldConstr.getRestrictions().get( 0 );

        assertEquals( "not matches",
                      restr.getEvaluator() );
        assertEquals( "[abc]*",
 
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                      pack.getRules().size() );
        final RuleDescr rule = (RuleDescr) pack.getRules().get( 0 );
        assertEquals( 1,
                      rule.getLhs().getDescrs().size() );

        final PatternDescr out = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        final AccumulateDescr accum = (AccumulateDescr) out.getSource();
        assertEqualsIgnoreWhitespace( "int x = 0 ;",
                                      accum.getInitCode() );
        assertEqualsIgnoreWhitespace( "x++;",
                                      accum.getActionCode() );
        assertEqualsIgnoreWhitespace( "x--;",
                                      accum.getReverseCode() );
        assertEqualsIgnoreWhitespace( "new Integer(x)",
                                      accum.getResultCode() );
        assertFalse( accum.isExternalFunction() );

        final PatternDescr pattern = (PatternDescr) accum.getInputPattern();
        assertEquals( "Person",
                      pattern.getObjectType() );
    }
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                      pack.getRules().size() );
        final RuleDescr rule = (RuleDescr) pack.getRules().get( 0 );
        assertEquals( 1,
                      rule.getLhs().getDescrs().size() );

        final PatternDescr out = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        final AccumulateDescr accum = (AccumulateDescr) out.getSource();
        assertEqualsIgnoreWhitespace( "$age",
                                      accum.getExpression() );
        assertEqualsIgnoreWhitespace( "average",
                                      accum.getFunctionIdentifier() );
        assertTrue( accum.isExternalFunction() );

        final PatternDescr pattern = (PatternDescr) accum.getInputPattern();
        assertEquals( "Person",
                      pattern.getObjectType() );
    }
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                      pack.getRules().size() );
        final RuleDescr rule = (RuleDescr) pack.getRules().get( 0 );
        assertEquals( 1,
                      rule.getLhs().getDescrs().size() );

        final PatternDescr out = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        final CollectDescr collect = (CollectDescr) out.getSource();

        PatternDescr person = (PatternDescr) collect.getInputPattern();
        assertEquals( "Person",
                      person.getObjectType() );

        final CollectDescr collect2 = (CollectDescr) person.getSource();

        final PatternDescr people = collect2.getInputPattern();
        assertEquals( "People",
                      people.getObjectType() );
    }
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                      pack.getRules().size() );
        final RuleDescr rule = (RuleDescr) pack.getRules().get( 0 );
        assertEquals( 1,
                      rule.getLhs().getDescrs().size() );

        final PatternDescr out = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        final AccumulateDescr accumulate = (AccumulateDescr) out.getSource();

        PatternDescr person = (PatternDescr) accumulate.getInputPattern();
        assertEquals( "Person",
                      person.getObjectType() );

        final CollectDescr collect2 = (CollectDescr) person.getSource();

        final PatternDescr people = collect2.getInputPattern();
        assertEquals( "People",
                      people.getObjectType() );
    }
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        assertFalse( parser.getErrorMessages().toString(),
                     parser.hasErrors() );

        assertEquals( 1,
                      descrs.getDescrs().size() );
        PatternDescr pat = (PatternDescr) descrs.getDescrs().get( 0 );
        assertEquals( "org.drools.Message",
                      pat.getObjectType() );

        FieldConstraintDescr fieldConstr = (FieldConstraintDescr) pat.getConstraint().getDescrs().get( 0 );
        QualifiedIdentifierRestrictionDescr restr = (QualifiedIdentifierRestrictionDescr) fieldConstr.getRestrictions().get( 0 );

        assertEquals( "not matches",
                      restr.getEvaluator() );
        assertEquals( "$c.property",
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                      pack.getRules().size() );
        final RuleDescr rule = (RuleDescr) pack.getRules().get( 0 );
        assertEquals( 2,
                      rule.getLhs().getDescrs().size() );

        final PatternDescr person = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        assertEquals( "Person",
                      person.getObjectType() );
        assertEquals( "$p",
                      person.getIdentifier() );

        final OrDescr or = (OrDescr) rule.getLhs().getDescrs().get( 1 );
        assertEquals( 2,
                      or.getDescrs().size() );

        final PatternDescr cheese1 = (PatternDescr) or.getDescrs().get( 0 );
        assertEquals( "Cheese",
                      cheese1.getObjectType() );
        assertEquals( "$c",
                      cheese1.getIdentifier() );
        final PatternDescr cheese2 = (PatternDescr) or.getDescrs().get( 1 );
        assertEquals( "Cheese",
                      cheese2.getObjectType() );
        assertNull( cheese2.getIdentifier() );
    }
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        final OrDescr or = (OrDescr) rule.getLhs().getDescrs().get( 0 );
        assertEquals( 2,
                      or.getDescrs().size() );

        final PatternDescr first = (PatternDescr) or.getDescrs().get( 0 );
        assertEquals( "Person",
                      first.getObjectType() );

        final AndDescr and = (AndDescr) or.getDescrs().get( 1 );
        assertEquals( 2,
                      and.getDescrs().size() );

        final PatternDescr left = (PatternDescr) and.getDescrs().get( 0 );
        assertEquals( "Person",
                      left.getObjectType() );

        final PatternDescr right = (PatternDescr) and.getDescrs().get( 1 );
        assertEquals( "Cheese",
                      right.getObjectType() );
    }
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        //check the "&&" part
        final AndDescr join = (AndDescr) and.getDescrs().get( 0 );
        assertEquals( 2,
                      join.getDescrs().size() );

        PatternDescr left = (PatternDescr) join.getDescrs().get( 0 );
        PatternDescr right = (PatternDescr) join.getDescrs().get( 1 );
        assertEquals( "Person",
                      left.getObjectType() );
        assertEquals( "Cheese",
                      right.getObjectType() );

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

        FieldConstraintDescr fld = (FieldConstraintDescr) left.getConstraint().getDescrs().get( 0 );
        LiteralRestrictionDescr literal = (LiteralRestrictionDescr) fld.getRestrictions().get( 0 );

        assertEquals( "==",
                      literal.getEvaluator() );
        assertEquals( "name",
                      fld.getFieldName() );
        assertEquals( "mark",
                      literal.getText() );

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

        fld = (FieldConstraintDescr) right.getConstraint().getDescrs().get( 0 );
        literal = (LiteralRestrictionDescr) fld.getRestrictions().get( 0 );

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

        //now the "||" part
        final OrDescr or = (OrDescr) and.getDescrs().get( 1 );
        assertEquals( 2,
                      or.getDescrs().size() );
        left = (PatternDescr) or.getDescrs().get( 0 );
        right = (PatternDescr) or.getDescrs().get( 1 );
        assertEquals( "Person",
                      left.getObjectType() );
        assertEquals( "Cheese",
                      right.getObjectType() );
        assertEquals( 1,
                      left.getConstraint().getDescrs().size() );

        fld = (FieldConstraintDescr) left.getConstraint().getDescrs().get( 0 );
        literal = (LiteralRestrictionDescr) fld.getRestrictions().get( 0 );

        assertEquals( "==",
                      literal.getEvaluator() );
        assertEquals( "name",
                      fld.getFieldName() );
        assertEquals( "mark",
                      literal.getText() );

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

        fld = (FieldConstraintDescr) right.getConstraint().getDescrs().get( 0 );
        literal = (LiteralRestrictionDescr) fld.getRestrictions().get( 0 );

        assertEquals( "==",
                      literal.getEvaluator() );
        assertEquals( "type",
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Related Classes of org.drools.lang.descr.PatternDescr

  • org.drools.clips.LhsClpParserTest
  • org.drools.compiler.PackageBuilder
  • org.drools.compiler.PackageBuilderTest
  • org.drools.compiler.QueryBuilderTest
  • org.drools.compiler.xml.rules.AccumulateHandler
  • org.drools.compiler.xml.rules.CollectHandler
  • org.drools.compiler.xml.rules.ExprConstraintHandler
  • org.drools.compiler.xml.rules.FieldBindingHandler
  • org.drools.compiler.xml.rules.FieldConstraintHandler
  • org.drools.compiler.xml.rules.FromHandler
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