Package org.drools.lang.descr

Examples of org.drools.lang.descr.PackageDescr

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            // Traverse the DOM tree
            xformer.transform( source,
                               result );

            final PackageDescr packageDescr = xmlPackageReader.getPackageDescr();

            //          pre build the package
            final PackageBuilder builder = new PackageBuilder();
            builder.addPackage( packageDescr );
            final Package pkg = builder.getPackage();
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            // Traverse the DOM tree
            xformer.transform( source,
                               result );

            final PackageDescr packageDescr = xmlPackageReader.getPackageDescr();

            //          pre build the package
            final PackageBuilder builder = new PackageBuilder();
            builder.addPackage( packageDescr );
            final Package pkg = builder.getPackage();
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                                                DroolsParserException {
        final InputStream is = getClass().getClassLoader().getResourceAsStream( "simplerule.drl" );
        String drl = streamToString( is );

        DrlParser parser = new DrlParser();
        PackageDescr packageDescr = parser.parse(drl);
        PackageBuilder builder = new PackageBuilder();
        builder.addPackage(packageDescr);
        Package pkg = builder.getPackage();
        ReteooRuleBase ruleBase = (ReteooRuleBase) RuleBaseFactory.newRuleBase(RuleBase.RETEOO);
        ruleBase.addPackage(pkg);
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    @Test
    public void testDebug() throws Exception {
        String rule = "package com.sample; dialect \"mvel\" rule myRule when then\n System.out.println( \"test\" ); end";
        PackageBuilder builder = new PackageBuilder();
        DrlParser parser = new DrlParser();
        PackageDescr packageDescr = parser.parse(rule);
        RuleDescr ruleDescr = packageDescr.getRules().get(0);
        builder = new PackageBuilder( );
        builder.addPackage(packageDescr);
        Package pkg = builder.getPackage();
        MVELConsequence consequence = (MVELConsequence) pkg.getRule("myRule").getConsequence();
        String sourceName = ((CompiledExpression) consequence.getCompExpr()).getSourceName();
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public class MVELConsequenceBuilderTest {

    @Test
    public void testSimpleExpression() throws Exception {
        PackageDescr pkgDescr = new PackageDescr( "pkg1" );
        PackageBuilder pkgBuilder = new PackageBuilder();
        pkgBuilder.addPackage( pkgDescr );

        final Package pkg = pkgBuilder.getPackageRegistry( "pkg1" ).getPackage();
        final RuleDescr ruleDescr = new RuleDescr( "rule 1" );
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        MVELDebugHandler.setDebugMode( true );

        try {
            final DrlParser parser = new DrlParser();
            final PackageDescr pkgDescr = parser.parse( new InputStreamReader( getClass().getResourceAsStream( "mvel_rule.drl" ) ) );

            // just checking there is no parsing errors
            assertFalse( parser.getErrors().toString(),
                                parser.hasErrors() );

            final Package pkg = new Package( "org.drools" );

            final RuleDescr ruleDescr = (RuleDescr) pkgDescr.getRules().get( 0 );

            final RuleBuilder builder = new RuleBuilder();

            final PackageBuilder pkgBuilder = new PackageBuilder( pkg );
            final PackageBuilderConfiguration conf = pkgBuilder.getPackageBuilderConfiguration();
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public class MVELAccumulateBuilderTest {

    @Test
    public void testSimpleExpression() {
        PackageBuilder pkgBuilder = new PackageBuilder();
        pkgBuilder.addPackage( new PackageDescr( "pkg1" ) );

        final Package pkg = pkgBuilder.getPackage();
        final RuleDescr ruleDescr = new RuleDescr( "rule 1" );

        final PackageBuilderConfiguration conf = pkgBuilder.getPackageBuilderConfiguration();
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    @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() );
    }
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    }

    @Test
    public void testNotExistWithBrackets() throws Exception {

        final PackageDescr pkg = (PackageDescr) parseResource( "compilationUnit",
                                                               "not_exist_with_brackets.drl" );

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

        final RuleDescr rule = (RuleDescr) pkg.getRules().get( 0 );

        assertNotNull( rule );
        assertEquals( "simple_rule",
                      rule.getName() );
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                      bindingDescr.getVariable() );
    }

    @Test
    public void testQueryRuleMixed() throws Exception {
        final PackageDescr pkg = (PackageDescr) parseResource( "compilationUnit",
                                                               "query_and_rule.drl" );

        assertEquals( 4,
                      pkg.getRules().size() ); // as queries are rules
        RuleDescr rule = (RuleDescr) pkg.getRules().get( 0 );
        assertEquals( "bar",
                      rule.getName() );

        QueryDescr query = (QueryDescr) pkg.getRules().get( 1 );
        assertEquals( "simple_query",
                      query.getName() );

        rule = (RuleDescr) pkg.getRules().get( 2 );
        assertEquals( "bar2",
                      rule.getName() );

        query = (QueryDescr) pkg.getRules().get( 3 );
        assertEquals( "simple_query2",
                      query.getName() );
    }
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  • org.drools.compiler.DrlParser
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