Package org.drools.lang.descr

Examples of org.drools.lang.descr.PatternDescr

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

        assertFalse( parser.hasErrors() );
        PatternDescr number = (PatternDescr) rule.getLhs().getDescrs().get( 1 );
        assertEquals( "[1, 2, 3][1]",
                      ((FromDescr) number.getSource()).getDataSource().toString() );
    }
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        RuleDescr rule = pkg.getRules().get( 0 );
        AndDescr lhs = rule.getLhs();
        assertEquals( 2,
                      lhs.getDescrs().size() );

        PatternDescr pdo1 = (PatternDescr) lhs.getDescrs().get( 0 );
        assertEquals( "pdo1",
                      pdo1.getIdentifier() );

        OrDescr or = (OrDescr) rule.getLhs().getDescrs().get( 1 );
        assertEquals( 3,
                      or.getDescrs().size() );
        for ( BaseDescr pdo2 : or.getDescrs() ) {
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        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\"",
                      constraint.getDescrs().get( 0 ).toString() );
        assertEquals( "price > 10",
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        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 \"\\..*\\\\.\"",
                      constraint.getDescrs().get( 0 ).toString() );
    }
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        final AndDescr lhs = rule.getLhs();
        assertEquals( 3,
                          lhs.getDescrs().size() );

        PatternDescr pattern = (PatternDescr) lhs.getDescrs().get( 0 );
        assertEquals( 1,
                          pattern.getConstraint().getDescrs().size() );
        AndDescr fieldAnd = (AndDescr) pattern.getConstraint();
        ExprConstraintDescr fld = (ExprConstraintDescr) fieldAnd.getDescrs().get( 0 );
        assertEquals( "bar == false",
                          fld.getExpression() );

        pattern = (PatternDescr) lhs.getDescrs().get( 1 );
        assertEquals( 1,
                          pattern.getConstraint().getDescrs().size() );

        fieldAnd = (AndDescr) pattern.getConstraint();
        fld = (ExprConstraintDescr) fieldAnd.getDescrs().get( 0 );

        assertEquals( "boo > -42",
                          fld.getText() );

        pattern = (PatternDescr) lhs.getDescrs().get( 2 );
        assertEquals( 1,
                          pattern.getConstraint().getDescrs().size() );

        fieldAnd = (AndDescr) pattern.getConstraint();
        fld = (ExprConstraintDescr) fieldAnd.getDescrs().get( 0 );

        assertEquals( "boo > -42.42",
                          fld.getText() );
    }
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        assertEquals( "simple rule",
                      ruleDescr.getName() );
        assertNotNull( ruleDescr.getLhs() );
        assertEquals( 1,
                      ruleDescr.getLhs().getDescrs().size() );
        final PatternDescr patternDescr = (PatternDescr) ruleDescr.getLhs().getDescrs().get( 0 );
        assertEquals( 0,
                      patternDescr.getConstraint().getDescrs().size() ); // this
        assertEquals( "Cheese",
                      patternDescr.getObjectType() );

    }
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    public void testSimpleMethodCallWithFrom() throws Exception {
        final RuleDescr rule = (RuleDescr) parseResource( "rule",
                                                              "test_SimpleMethodCallWithFrom.drl" );
        assertFalse( parser.getErrors().toString(),
                     parser.hasErrors() );
        final PatternDescr pattern = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        final FromDescr from = (FromDescr) pattern.getSource();
        final MVELExprDescr method = (MVELExprDescr) from.getDataSource();

        assertEquals( "something.doIt( foo,bar,42,\"hello\",[ a : \"b\", \"something\" : 42, \"a\" : foo, x : [x:y]],\"end\", [a, \"b\", 42] )",
                      method.getExpression() );
    }
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    public void testSimpleFunctionCallWithFrom() throws Exception {
        final RuleDescr rule = (RuleDescr) parseResource( "rule",
                                                          "test_SimpleFunctionCallWithFrom.drl" );
        assertFalse( parser.getErrors().toString(),
                     parser.hasErrors() );
        final PatternDescr pattern = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        final FromDescr from = (FromDescr) pattern.getSource();
        final MVELExprDescr func = (MVELExprDescr) from.getDataSource();

        assertEquals( "doIt( foo,bar,42,\"hello\",[ a : \"b\", \"something\" : 42, \"a\" : foo, x : [x:y]],\"end\", [a, \"b\", 42] )",
                      func.getExpression() );
    }
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    public void testSimpleAccessorWithFrom() throws Exception {
        final RuleDescr rule = (RuleDescr) parseResource( "rule",
                                                          "test_SimpleAccessorWithFrom.drl" );
        assertFalse( parser.getErrors().toString(),
                     parser.hasErrors() );
        final PatternDescr pattern = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        final FromDescr from = (FromDescr) pattern.getSource();
        final MVELExprDescr accessor = (MVELExprDescr) from.getDataSource();

        assertEquals( "something.doIt",
                      accessor.getExpression() );
    }
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    public void testSimpleAccessorAndArgWithFrom() throws Exception {
        final RuleDescr rule = (RuleDescr) parseResource( "rule",
                                                          "test_SimpleAccessorArgWithFrom.drl" );
        assertFalse( parser.getErrors().toString(),
                     parser.hasErrors() );
        final PatternDescr pattern = (PatternDescr) rule.getLhs().getDescrs().get( 0 );
        final FromDescr from = (FromDescr) pattern.getSource();
        final MVELExprDescr accessor = (MVELExprDescr) from.getDataSource();

        assertEquals( "something.doIt[\"key\"]",
                      accessor.getExpression() );
    }
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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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