Package org.drools.compiler.lang.descr

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

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        return true;
    }

    protected TypeFieldDescr buildInheritedFieldDescrFromDefinition(FactField fld) {
        PatternDescr fldType = new PatternDescr();
        TypeFieldDescr inheritedFldDescr = new TypeFieldDescr();
        inheritedFldDescr.setFieldName( fld.getName() );
        fldType.setObjectType( ((FieldDefinition) fld).getFieldAccessor().getExtractToClassName() );
        inheritedFldDescr.setPattern( fldType );
        if ( fld.isKey() ) {
            inheritedFldDescr.getAnnotations().put( TypeDeclaration.ATTR_KEY,
                                                    new AnnotationDescr( TypeDeclaration.ATTR_KEY ) );
        }
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            packageDescr = drlParser.parse( true, drl);
        } catch ( DroolsParserException e ) {
            throw new RuntimeException( e );
        }
        RuleDescr r = packageDescr.getRules().get( 0 );
        PatternDescr pd = (PatternDescr) r.getLhs().getDescrs().get( 0 );
        assertEquals( 1, pd.getConstraint().getDescrs().size() );
    }
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        AndDescr lhs = rule.getLhs();
        assertNotNull( lhs );
        assertEquals( 2,
                      lhs.getDescrs().size() );

        PatternDescr a = (PatternDescr) lhs.getDescrs().get( 0 );
        assertEquals( "A",
                      a.getObjectType() );

        OrDescr or = (OrDescr) lhs.getDescrs().get( 1 );
        assertEquals( 3,
                      or.getDescrs().size() );

        AndDescr and1 = (AndDescr) or.getDescrs().get( 0 );
        assertEquals( 2,
                      and1.getDescrs().size() );
        PatternDescr b = (PatternDescr) and1.getDescrs().get( 0 );
        PatternDescr c = (PatternDescr) and1.getDescrs().get( 1 );
        assertEquals( "B",
                      b.getObjectType() );
        assertEquals( "C",
                      c.getObjectType() );

        AndDescr and2 = (AndDescr) or.getDescrs().get( 1 );
        assertEquals( 2,
                      and2.getDescrs().size() );
        PatternDescr d = (PatternDescr) and2.getDescrs().get( 0 );
        PatternDescr e = (PatternDescr) and2.getDescrs().get( 1 );
        assertEquals( "D",
                      d.getObjectType() );
        assertEquals( "E",
                      e.getObjectType() );

        AndDescr and3 = (AndDescr) or.getDescrs().get( 2 );
        assertEquals( 2,
                      and3.getDescrs().size() );
        PatternDescr f = (PatternDescr) and3.getDescrs().get( 0 );
        PatternDescr g = (PatternDescr) and3.getDescrs().get( 1 );
        assertEquals( "F",
                      f.getObjectType() );
        assertEquals( "G",
                      g.getObjectType() );
    }
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                                                     text );
        assertFalse( parser.getErrors().toString(),
                     parser.hasErrors() );

        RuleDescr rule = pkg.getRules().get( 0 );
        PatternDescr pattern = (PatternDescr) rule.getLhs().getDescrs().get( 0 );

        assertEquals( 1,
                      pattern.getDescrs().size() );
        ExprConstraintDescr fcd = (ExprConstraintDescr) pattern.getDescrs().get( 0 );
        assertEquals( "symbol==\"ACME\"",
                      fcd.getExpression() );

        assertNotNull( pattern.getSource() );
        EntryPointDescr entry = (EntryPointDescr) pattern.getSource();
        assertEquals( "StreamA",
                      entry.getEntryId() );
    }
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                                                     text );
        assertFalse( parser.getErrors().toString(),
                     parser.hasErrors() );

        RuleDescr rule = pkg.getRules().get( 0 );
        PatternDescr pattern = (PatternDescr) rule.getLhs().getDescrs().get( 0 );

        assertEquals( 1,
                      pattern.getDescrs().size() );
        ExprConstraintDescr fcd = (ExprConstraintDescr) pattern.getDescrs().get( 0 );
        assertEquals( "symbol==\"ACME\"",
                      fcd.getExpression() );

        assertNotNull( pattern.getSource() );
        EntryPointDescr entry = (EntryPointDescr) pattern.getSource();
        assertEquals( "StreamA",
                      entry.getEntryId() );
    }
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                                                 text );
        assertFalse( parser.getErrors().toString(),
                     parser.hasErrors() );

        RuleDescr rule = pkg.getRules().get( 0 );
        PatternDescr pattern = (PatternDescr) rule.getLhs().getDescrs().get( 0 );

        assertEquals( 1,
                      pattern.getDescrs().size() );
        ExprConstraintDescr fcd = (ExprConstraintDescr) pattern.getDescrs().get( 0 );
        assertEquals( "symbol==\"ACME\"",
                      fcd.getExpression() );

        List<BehaviorDescr> behaviors = pattern.getBehaviors();
        assertNotNull( behaviors );
        assertEquals( 1,
                      behaviors.size() );
        BehaviorDescr descr = behaviors.get( 0 );
        assertEquals( "window",
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        assertEquals( 1,
                      rule.getLhs().getDescrs().size() );
        assertEquals( 1,
                      ((NotDescr) rule.getLhs().getDescrs().get( 0 )).getDescrs().size() );
        NotDescr notDescr = (NotDescr) rule.getLhs().getDescrs().get( 0 );
        PatternDescr patternDescr = (PatternDescr) notDescr.getDescrs().get( 0 );
        assertEquals( "$r",
                      patternDescr.getIdentifier() );
        assertEquals( 1,
                      patternDescr.getDescrs().size() );
        ExprConstraintDescr fieldConstraintDescr = (ExprConstraintDescr) patternDescr.getDescrs().get( 0 );
        assertEquals( "operator == Operator.EQUAL",
                      fieldConstraintDescr.getExpression() );
    }
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        assertEquals( "Test",
                      rule.getName() );
        assertEquals( 1,
                      rule.getLhs().getDescrs().size() );
        PatternDescr patternDescr = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        assertEquals( "$r",
                      patternDescr.getIdentifier() );
        assertEquals( 1,
                      patternDescr.getDescrs().size() );
        ExprConstraintDescr fieldConstraintDescr = (ExprConstraintDescr) patternDescr.getDescrs().get( 0 );
        assertEquals( "operator == Operator.EQUAL",
                      fieldConstraintDescr.getExpression() );
    }
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    }

    @Test
    public void testNullConstraints() throws Exception {
        final String text = "rule X when Person( name == null ) then end";
        PatternDescr pattern = (PatternDescr) ((RuleDescr) parse( "rule",
                                                                  text )).getLhs().getDescrs().get( 0 );

        assertEquals( 1,
                      pattern.getDescrs().size() );
        ExprConstraintDescr fcd = (ExprConstraintDescr) pattern.getDescrs().get( 0 );
        assertEquals( "name == null",
                      fcd.getExpression() );
        assertEquals( 0,
                      fcd.getPosition() );
        assertEquals( ExprConstraintDescr.Type.NAMED,
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    }

    @Test
    public void testPositionalConstraintsOnly() throws Exception {
        final String text = "rule X when Person( \"Mark\", 42; ) then end";
        PatternDescr pattern = (PatternDescr) ((RuleDescr) parse( "rule",
                                                                  text )).getLhs().getDescrs().get( 0 );

        assertEquals( 2,
                      pattern.getDescrs().size() );
        ExprConstraintDescr fcd = (ExprConstraintDescr) pattern.getDescrs().get( 0 );
        assertEquals( "\"Mark\"",
                      fcd.getExpression() );
        assertEquals( 0,
                      fcd.getPosition() );
        assertEquals( ExprConstraintDescr.Type.POSITIONAL,
                      fcd.getType() );
        fcd = (ExprConstraintDescr) pattern.getDescrs().get( 1 );
        assertEquals( "42",
                      fcd.getExpression() );
        assertEquals( 1,
                      fcd.getPosition() );
        assertEquals( ExprConstraintDescr.Type.POSITIONAL,
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Related Classes of org.drools.compiler.lang.descr.PatternDescr

  • org.drools.compiler.builder.impl.ClassDefinitionFactory
  • org.drools.compiler.builder.impl.ClassHierarchyManager
  • org.drools.compiler.builder.impl.KnowledgeBuilderTest
  • org.drools.compiler.builder.impl.TypeDeclarationBuilder
  • org.drools.compiler.compiler.PackageBuilder
  • org.drools.compiler.compiler.PackageBuilderTest
  • org.drools.compiler.compiler.QueryBuilderTest
  • org.drools.compiler.compiler.xml.rules.AccumulateHandler
  • org.drools.compiler.compiler.xml.rules.CollectHandler
  • org.drools.compiler.compiler.xml.rules.ExprConstraintHandler
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