Package org.drools.compiler.lang.descr

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

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

        assertEquals( 1,
                      pkg.getRules().size() );
        final RuleDescr rule = (RuleDescr) pkg.getRules().get( 0 );
        assertEquals( 5,
                      rule.getLhs().getDescrs().size() );

        final PatternDescr eventA = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        assertEquals( "$a",
                      eventA.getIdentifier() );
        assertEquals( "EventA",
                      eventA.getObjectType() );

        final PatternDescr eventB = (PatternDescr) rule.getLhs().getDescrs().get( 1 );
        assertEquals( "$b",
                      eventB.getIdentifier() );
        assertEquals( "EventB",
                      eventB.getObjectType() );
        assertEquals( 1,
                      eventB.getConstraint().getDescrs().size() );
        assertEquals( 1,
                      eventB.getConstraint().getDescrs().size() );

        final ExprConstraintDescr fcdB = (ExprConstraintDescr) eventB.getConstraint().getDescrs().get( 0 );
        assertEquals( "this after[1,10] $a || this not after[15,20] $a",
                      fcdB.getExpression() );

        final PatternDescr eventC = (PatternDescr) rule.getLhs().getDescrs().get( 2 );
        assertEquals( "$c",
                      eventC.getIdentifier() );
        assertEquals( "EventC",
                      eventC.getObjectType() );
        assertEquals( 1,
                      eventC.getConstraint().getDescrs().size() );
        final ExprConstraintDescr fcdC = (ExprConstraintDescr) eventC.getConstraint().getDescrs().get( 0 );
        assertEquals( "this finishes $b",
                      fcdC.getExpression() );

        final PatternDescr eventD = (PatternDescr) rule.getLhs().getDescrs().get( 3 );
        assertEquals( "$d",
                      eventD.getIdentifier() );
        assertEquals( "EventD",
                      eventD.getObjectType() );
        assertEquals( 1,
                      eventD.getConstraint().getDescrs().size() );
        final ExprConstraintDescr fcdD = (ExprConstraintDescr) eventD.getConstraint().getDescrs().get( 0 );
        assertEquals( "this not starts $a",
                      fcdD.getExpression() );

        final PatternDescr eventE = (PatternDescr) rule.getLhs().getDescrs().get( 4 );
        assertEquals( "$e",
                      eventE.getIdentifier() );
        assertEquals( "EventE",
                      eventE.getObjectType() );
        assertEquals( 1,
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        assertFalse( parser.getErrors().toString(),
                     parser.hasErrors() );

        // @fooAttribute(barValue)
        // @fooAtt2(barVal2)
        RuleDescr rule = pkg.getRules().get( 0 );
        assertTrue( rule.getAnnotationNames().contains( "fooMeta1" ) );
        assertEquals( "barVal1",
                      rule.getAnnotation( "fooMeta1" ).getValue() );
        assertTrue( rule.getAnnotationNames().contains( "fooMeta2" ) );
        assertEquals( "barVal2",
                      rule.getAnnotation( "fooMeta2" ).getValue() );
        assertEqualsIgnoreWhitespace( "System.out.println(\"Consequence\");",
                                      (String) rule.getConsequence() );
    }
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                                                               "Rule_with_Extends.drl" );

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

        RuleDescr rule = pkg.getRules().get( 0 );
        assertTrue( rule.getParentName() != null );
        assertEquals( "rule1",
                      rule.getParentName() );

        AndDescr lhs = rule.getLhs();
        assertNotNull( lhs );
        assertEquals( 1,
                      lhs.getDescrs().size() );

        PatternDescr pattern = (PatternDescr) lhs.getDescrs().get( 0 );
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                                                               "Rule_with_nested_LHS.drl" );

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

        RuleDescr rule = pkg.getRules().get( 0 );
        assertEquals( "test",
                      rule.getName() );

        AndDescr lhs = rule.getLhs();
        assertNotNull( lhs );
        assertEquals( 2,
                      lhs.getDescrs().size() );

        PatternDescr a = (PatternDescr) lhs.getDescrs().get( 0 );
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        PackageDescr pkg = (PackageDescr) parse( "compilationUnit",
                                                     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\"",
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        PackageDescr pkg = (PackageDescr) parse( "compilationUnit",
                                                     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\"",
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        PackageDescr pkg = (PackageDescr) parse( "compilationUnit",
                                                 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\"",
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        PackageDescr pkg = (PackageDescr) parse( "compilationUnit",
                                                 source );

        assertFalse( parser.getErrors().toString(),
                     parser.hasErrors() );
        RuleDescr rule = (RuleDescr) pkg.getRules().get( 0 );

        assertEquals( "Test",
                      rule.getName() );
        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() );
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        PackageDescr pkg = (PackageDescr) parse( "compilationUnit",
                                                 source );

        assertFalse( parser.getErrors().toString(),
                     parser.hasErrors() );
        RuleDescr rule = (RuleDescr) pkg.getRules().get( 0 );

        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 );
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    @Test
    public void testFromFollowedByQuery() throws Exception {
        // the 'from' expression requires a ";" to disambiguate the "?"
        // prefix for queries from the ternary operator "? :"
        final String text = "rule X when Cheese() from $cheesery ?person( \"Mark\", 42; ) then end";
        RuleDescr rule = (RuleDescr) parse( "rule",
                                             text );
        assertFalse( parser.getErrors().toString(),
                     parser.hasErrors() );

        PatternDescr pattern = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        assertEquals( "Cheese",
                      pattern.getObjectType() );
        assertEquals( "from $cheesery",
                      pattern.getSource().getText() );
        assertFalse( pattern.isQuery() );

        pattern = (PatternDescr) rule.getLhs().getDescrs().get( 1 );
        assertEquals( "person",
                      pattern.getObjectType() );
        assertTrue( pattern.isQuery() );

    }
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Related Classes of org.drools.compiler.lang.descr.RuleDescr

  • org.drools.compiler.builder.impl.KnowledgeBuilderImpl
  • org.drools.compiler.builder.impl.KnowledgeBuilderTest
  • org.drools.compiler.compiler.PackageBuilder
  • org.drools.compiler.compiler.PackageBuilderConfigurationTest
  • org.drools.compiler.compiler.PackageBuilderTest
  • org.drools.compiler.compiler.QueryBuilderTest
  • org.drools.compiler.compiler.RuleErrorTest
  • org.drools.compiler.compiler.xml.rules.AndHandler
  • org.drools.compiler.compiler.xml.rules.OrHandler
  • org.drools.compiler.compiler.xml.rules.RuleHandler
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