Package org.drools.compiler.lang.descr

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

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                      at.getValue() );
    }

    @Test
    public void testDurationExpression() throws Exception {
        final RuleDescr rule = (RuleDescr) parseResource( "rule",
                                                          "rule_duration_expression.drl" );
        assertEquals( "simple_rule",
                      rule.getName() );
        assertEqualsIgnoreWhitespace( "bar();",
                                      (String) rule.getConsequence() );

        final Map<String, AttributeDescr> attrs = rule.getAttributes();
        assertEquals( 2,
                      attrs.size() );

        AttributeDescr at = (AttributeDescr) attrs.get( "duration" );
        assertEquals( "duration",
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                      at.getValue() );
    }

    @Test
    public void testCalendars() throws Exception {
        final RuleDescr rule = (RuleDescr) parseResource( "rule",
                                                          "rule_calendars_attribute.drl" );
        assertEquals( "simple_rule",
                      rule.getName() );
        assertEqualsIgnoreWhitespace( "bar();",
                                      (String) rule.getConsequence() );

        final Map<String, AttributeDescr> attrs = rule.getAttributes();
        assertEquals( 2,
                      attrs.size() );

        AttributeDescr at = (AttributeDescr) attrs.get( "calendars" );
        assertEquals( "calendars",
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                      at.getValue() );
    }

    @Test
    public void testCalendars2() throws Exception {
        final RuleDescr rule = (RuleDescr) parseResource( "rule",
                                                          "rule_calendars_attribute2.drl" );
        assertFalse( parser.getErrors().toString(),
                     parser.hasErrors() );
        assertEquals( "simple_rule",
                      rule.getName() );
        assertEqualsIgnoreWhitespace( "bar();",
                                      (String) rule.getConsequence() );

        final Map<String, AttributeDescr> attrs = rule.getAttributes();
        assertEquals( 2,
                      attrs.size() );

        AttributeDescr at = (AttributeDescr) attrs.get( "calendars" );
        assertEquals( "calendars",
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                      at.getValue() );
    }

    @Test
    public void testAttributes_alternateSyntax() throws Exception {
        final RuleDescr rule = (RuleDescr) parseResource( "rule",
                                                          "rule_attributes_alt.drl" );
        assertEquals( "simple_rule",
                      rule.getName() );
        assertEqualsIgnoreWhitespace( "bar();",
                                      (String) rule.getConsequence() );

        final Map<String, AttributeDescr> attrs = rule.getAttributes();
        assertEquals( 6,
                      attrs.size() );

        AttributeDescr at = (AttributeDescr) attrs.get( "salience" );
        assertEquals( "salience",
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                      at.getValue() );
    }

    @Test
    public void testEnumeration() throws Exception {
        final RuleDescr rule = (RuleDescr) parseResource( "rule",
                                                          "enumeration.drl" );
        assertEquals( "simple_rule",
                      rule.getName() );
        assertEquals( 1,
                      rule.getLhs().getDescrs().size() );
        final PatternDescr col = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        assertEquals( "Foo",
                      col.getObjectType() );
        assertEquals( 1,
                      col.getConstraint().getDescrs().size() );
        final ExprConstraintDescr fld = (ExprConstraintDescr) col.getConstraint().getDescrs().get( 0 );
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        String source = "package com.sample  rule test  when  Test( ( text == null || text2 matches \"\" ) )  then  end";
        PackageDescr pkg = (PackageDescr) parse( "compilationUnit",
                                                 source );
        assertEquals( "com.sample",
                          pkg.getName() );
        RuleDescr rule = (RuleDescr) pkg.getRules().get( 0 );
        assertEquals( "test",
                          rule.getName() );
        ExprConstraintDescr expr = (ExprConstraintDescr) ((PatternDescr) rule.getLhs().getDescrs().get( 0 )).getDescrs().get( 0 );
        assertEquals( "( text == null || text2 matches \"\" )",
                          expr.getText() );
    }
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        String source = "package com.sample  rule test  when  Cheese( type == 'stilton', price > 10 )  then  end";
        PackageDescr pkg = (PackageDescr) parse( "compilationUnit",
                                                 source );
        assertEquals( "com.sample",
                          pkg.getName() );
        RuleDescr rule = (RuleDescr) pkg.getRules().get( 0 );
        assertEquals( "test",
                          rule.getName() );

        assertEquals( 1,
                      rule.getLhs().getDescrs().size() );
        PatternDescr pattern = (PatternDescr) rule.getLhs().getDescrs().get( 0 );

        AndDescr constraint = (AndDescr) pattern.getConstraint();
        assertEquals( 2,
                      constraint.getDescrs().size() );
        assertEquals( "type == \"stilton\"",
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        String source = "package com.sample  rule test  when  Cheese( type matches \"\\..*\\\\.\" )  then  end";
        PackageDescr pkg = (PackageDescr) parse( "compilationUnit",
                                                 source );
        assertEquals( "com.sample",
                          pkg.getName() );
        RuleDescr rule = (RuleDescr) pkg.getRules().get( 0 );
        assertEquals( "test",
                          rule.getName() );

        assertEquals( 1,
                      rule.getLhs().getDescrs().size() );
        PatternDescr pattern = (PatternDescr) rule.getLhs().getDescrs().get( 0 );

        AndDescr constraint = (AndDescr) pattern.getConstraint();
        assertEquals( 1,
                      constraint.getDescrs().size() );
        assertEquals( "type matches \"\\..*\\\\.\"",
 
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                          attr.getValue() );
    }

    @Test
    public void testEmptyRule() throws Exception {
        final RuleDescr rule = (RuleDescr) parseResource( "rule",
                                                              "empty_rule.drl" );

        assertNotNull( rule );

        assertEquals( "empty",
                          rule.getName() );
        assertNotNull( rule.getLhs() );
        assertNotNull( rule.getConsequence() );
    }
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    @Test
    public void testTernaryExpression() throws Exception {
        PackageDescr pkg = (PackageDescr) parseResource( "compilationUnit",
                                                         "ternary_expression.drl" );

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

        assertEqualsIgnoreWhitespace( "if (speed > speedLimit ? true : false;) pullEmOver();",
                                          (String) rule.getConsequence() );
    }
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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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