Package org.drools.compiler

Examples of org.drools.compiler.DrlParser

81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
            try {
                BusinessRuleProvider provider = new BusinessRuleProviderDefaultImpl();

                Reader knowledge = provider.getKnowledgeReader( resource );

                DrlParser parser = new DrlParser();
                DefaultExpander expander = getDslExpander();

                if ( null != expander ) {
                    knowledge = new StringReader( expander.expand( knowledge ) );
                    if ( expander.hasErrors() ) {
                        getErrors().addAll( expander.getErrors() );
                    }
                }

                PackageDescr pkg = parser.parse( knowledge );
                if ( parser.hasErrors() ) {
                    getErrors().addAll( parser.getErrors() );
                } else {
                    addPackage( pkg );
                }

            } catch ( Exception e ) {
View Full Code Here
828
829
830
831
832
833
834
835
836
837
838
839
840
841
    }

    private RuleBase loadRuleBase(final Reader reader) throws IOException,
                                                      DroolsParserException,
                                                      Exception {
        final DrlParser parser = new DrlParser();
        final PackageDescr packageDescr = parser.parse( reader );
        if ( parser.hasErrors() ) {
            fail( "Error messages in parser, need to sort this our (or else collect error messages)\n" + parser.getErrors()  );
        }
        // pre build the package
        final PackageBuilder builder = new PackageBuilder();
        builder.addPackage( packageDescr );
View Full Code Here
97
98
99
100
101
102
103
104
105
106
107
    }

    @Test
    public void testPackage() throws Exception {
        final String source = "package foo.bar.baz";
        final DrlParser parser = new DrlParser();
        final PackageDescr pkg = parser.parse( new StringReader( source ) );
        assertFalse( parser.hasErrors() );
        assertEquals( "foo.bar.baz",
                      pkg.getName() );
    }
View Full Code Here
107
108
109
110
111
112
113
114
115
116
117
118
    }

    @Test
    public void testPackageWithError() throws Exception {
        final String source = "package 12 foo.bar.baz";
        final DrlParser parser = new DrlParser();
        final PackageDescr pkg = parser.parse( true,
                                               new StringReader( source ) );
        assertTrue( parser.hasErrors() );
        assertEquals( "foo.bar.baz",
                      pkg.getName() );
    }
View Full Code Here
118
119
120
121
122
123
124
125
126
127
128
129
    }

    @Test
    public void testPackageWithError2() throws Exception {
        final String source = "package 12 12312 231";
        final DrlParser parser = new DrlParser();
        final PackageDescr pkg = parser.parse( true,
                                               new StringReader( source ) );
        assertTrue( parser.hasErrors() );
        assertEquals( "",
                      pkg.getName() );
    }
View Full Code Here
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
                      first.getObjectType() );
    }

    @Test
    public void testExpanderLineSpread() throws Exception {
        final DrlParser parser = new DrlParser();
        final PackageDescr pkg = parser.parse( this.getReader( "expander_spread_lines.dslr" ),
                                               this.getReader( "complex.dsl" ) );

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

        final RuleDescr rule = (RuleDescr) pkg.getRules().get( 0 );
        assertEquals( 1,
                      rule.getLhs().getDescrs().size() );
View Full Code Here
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
    }

    @Test
    public void testExpanderMultipleConstraints() throws Exception {
        final DrlParser parser = new DrlParser();
        final PackageDescr pkg = parser.parse( this.getReader( "expander_multiple_constraints.dslr" ),
                                               this.getReader( "multiple_constraints.dsl" ) );

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

        final RuleDescr rule = (RuleDescr) pkg.getRules().get( 0 );
        assertEquals( 2,
                      rule.getLhs().getDescrs().size() );
View Full Code Here
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
    }

    @Test
    public void testExpanderMultipleConstraintsFlush() throws Exception {
        final DrlParser parser = new DrlParser();
        // this is similar to the other test, but it requires a flush to add the
        // constraints
        final PackageDescr pkg = parser.parse( this.getReader( "expander_multiple_constraints_flush.dslr" ),
                                               this.getReader( "multiple_constraints.dsl" ) );

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

        final RuleDescr rule = (RuleDescr) pkg.getRules().get( 0 );
        assertEquals( 1,
                      rule.getLhs().getDescrs().size() );
View Full Code Here
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
        assertNotNull( result );
    }

    public static void DrlFile(String filename) throws Exception {

        DrlParser parser = new DrlParser();
        final PackageDescr pkgOriginal = parser.parse( new InputStreamReader( DumperTestHelper.class.getResourceAsStream( filename ) ) );
        final DrlDumper dumper = new DrlDumper();
        String result1 = dumper.dump( pkgOriginal );
        final PackageDescr pkgDerivated = parser.parse( new StringReader( result1 ) );
        String result2 = dumper.dump( pkgDerivated );

        assertEqualsIgnoreWhitespace( result1,
                                      result2 );
    }
View Full Code Here
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
    /**
     * Test method for {@link org.drools.rule.builder.RuleBuilder#build(org.drools.rule.Package, org.drools.lang.descr.RuleDescr)}.
     */
    @Test
    public void testBuild() throws Exception {
        final DrlParser parser = new DrlParser();

        final PackageBuilder pkgBuilder = new PackageBuilder();
        pkgBuilder.addPackage( new PackageDescr( "org.drools" ) );
        Package pkg = pkgBuilder.getPackage();

        final PackageDescr pkgDescr = parser.parse( new InputStreamReader( getClass().getResourceAsStream( "nestedConditionalElements.drl" ) ) );

        // just checking there is no parsing errors
        assertFalse( parser.getErrors().toString(),
                            parser.hasErrors() );
       
        pkg.addGlobal( "results", List.class );

        final RuleDescr ruleDescr = (RuleDescr) pkgDescr.getRules().get( 0 );
        final String ruleClassName = "RuleClassName.java";
View Full Code Here
TOP

Related Classes of org.drools.compiler.DrlParser

  • org.antlr.runtime.ANTLRInputStream
  • org.antlr.runtime.ANTLRReaderStream
  • org.antlr.runtime.ANTLRStringStream
  • org.antlr.runtime.CommonTokenStream
  • org.antlr.runtime.tree.CommonTreeNodeStream
  • org.drools.analytics.AnalyticsTestStandalone
  • org.drools.analytics.TestBase
  • org.drools.benchmark.benchmarks.WaltzBenchmark
  • org.drools.CommonTestMethodBase
  • org.drools.compiler.xml.rules.DumperTestHelper
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.