Examples of org.drools.repository.RulesRepository

org.drools.repository.RulesRepository
RulesRepository is the class that defines the behavior for the JBoss Rules (drools) rule repository based upon the JCR specification (JSR-170).
An instance of this class is capable of storing rules used by the JBoss Rule engine. It also provides a versioning capability for rules. Rules can be imported from specified files. The RulesRepository is also capable of storing DSL content. Rules can be explicitly tied to a particular DSL node within the repository, and this reference can either follow the head version, or a specific version of the DSL node.
Rules can be tagged. Tags are stored in a separate area of the repository, and can be added on demand. Rules can have 0 or more tags. Tags are intended to help provide a means for searching for specific types of rules quickly, even when they aren't all part of the same rulepackage.
Rules can be associated with 0 or 1 states. States are created in a seperate area of the repository. States are intended to help track the progress of a rule as it traverses its life- cycle. (e.g. draft, approved, deprecated, etc.)
The RulesRepository provides versioning of rules, rule packages, and DSLs. This versioning works in a strictly linear fashion, with one version having at most 1 predecessor version (or none, if it is the first version), and at most 1 successor version (or none, if it is the most recently checked-in version). The JCR specification supports a more complicated versioning system, and if there is sufficient demand, we can modify our versioning scheme to be better aligned with JCR's versioning abilities. @author Ben Truitt - with contributions from Michael Neale and Fernando Meyer over time.

    }


    @Test
    public void testSimplePackageWithDeclaredTypesUsingDependency() throws Exception {
        ServiceImplementation serviceImplementation = getServiceImplementation();
        RulesRepository repo = serviceImplementation.getRulesRepository();


        PackageItem pkg = repo.createPackage("testSimplePackageWithDeclaredTypesUsingDependency",
                "");


        DroolsHeader.updateDroolsHeader("import java.util.HashMap",
                pkg);


        AssetItem rule1 = pkg.addAsset("rule_1",
                "");
        rule1.updateFormat(AssetFormats.DRL);
        rule1.updateContent("rule 'rule1' \n dialect 'mvel' \n when Album() \n then \nAlbum a = new Album(); \n end");
        rule1.checkin("");


        AssetItem model = pkg.addAsset("model",
                "qed");
        model.updateFormat(AssetFormats.DRL_MODEL);


        model.updateContent("declare Album\n genre1: String \n end");
        model.checkin("version 0");
        model.updateContent("declare Album\n genre2: String \n end");
        model.checkin("version 1");
        model.updateContent("declare Album\n genre3: String \n end");
        model.checkin("version 2");
        repo.save();


        PackageAssembler asm = new PackageAssembler(pkg);
        asm.compile();
        assertFalse(asm.getErrors().toString(),
                asm.hasErrors());

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    @Test
    public void testLoaderWithComplexFields() throws Exception {


        ServiceImplementation impl = getServiceImplementation();
        RulesRepository repo = impl.getRulesRepository();


        PackageItem item = repo.createPackage( "testLoaderWithComplexFields",
                                               "to test the loader" );
        DroolsHeader.updateDroolsHeader( "import org.drools.guvnor.server.util.Agent",
                                                  item );
        repo.save();


        BRMSSuggestionCompletionLoader loader = new BRMSSuggestionCompletionLoader();
        String header = DroolsHeader.getDroolsHeader( item );


        SuggestionCompletionEngine engine = loader.getSuggestionEngine( item );

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    }


    @Test
    public void testSimplePackageBuildNoErrors() throws Exception {
        ServiceImplementation serviceImplementation = getServiceImplementation();
        RulesRepository repo = serviceImplementation.getRulesRepository();


        PackageItem pkg = repo.createPackage("testSimplePackageBuildNoErrors",
                "");
        AssetItem model = pkg.addAsset("model",
                "qed");
        model.updateFormat(AssetFormats.MODEL);


        model.updateBinaryContentAttachment(this.getClass().getResourceAsStream("/billasurf.jar"));
        model.checkin("");


        DroolsHeader.updateDroolsHeader("import com.billasurf.Board\n global com.billasurf.Person customer",
                pkg);


        AssetItem rule1 = pkg.addAsset("rule_1",
                "");
        rule1.updateFormat(AssetFormats.DRL);
        rule1.updateContent("rule 'rule1' \n when Board() \n then customer.setAge(42); \n end");
        rule1.checkin("");


        AssetItem rule2 = pkg.addAsset("rule2",
                "");
        rule2.updateFormat(AssetFormats.DRL);
        rule2.updateContent("agenda-group 'q' \n when \n Board() \n then \n System.err.println(42);");
        rule2.checkin("");


        AssetItem rule3 = pkg.addAsset("A file",
                "");
        rule3.updateFormat(AssetFormats.DRL);
        rule3.updateContent("package testSimplePackageBuildNoErrors\n rule 'rule3' \n when \n then \n customer.setAge(43); \n end \n" + "rule 'rule4' \n when \n then \n System.err.println(44); \n end");
        rule3.checkin("");


        repo.save();


        PackageAssembler asm = new PackageAssembler(pkg);
        asm.compile();
        assertFalse(asm.hasErrors());
        assertNotNull(asm.getBinaryPackage());
        
        Package[] binPkgs = asm.getBinaryPackage();
        assertNotNull( binPkgs );
        assertEquals( 1,
                      binPkgs.length );
        
        Package bin = binPkgs[0];
        assertEquals(pkg.getName(),
                bin.getName());
        assertTrue(bin.isValid());


        assertEquals(4,
                bin.getRules().length);


        //now create a snapshot
        repo.createPackageSnapshot(pkg.getName(),
                "SNAP_1");


        //and screw up the the non snapshot one
        DroolsHeader.updateDroolsHeader("koo koo ca choo",
                pkg);
        asm = new PackageAssembler(pkg);
        asm.compile();
        assertTrue(asm.hasErrors());


        //check the snapshot is kosher
        pkg = repo.loadPackageSnapshot(pkg.getName(),
                "SNAP_1");
        asm = new PackageAssembler(pkg);
        asm.compile();
        assertFalse(asm.hasErrors());

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    @Test
    @Ignore("Needs fixing")
    public void testFactTemplates() throws Exception {


        ServiceImplementation impl = getServiceImplementation();
        RulesRepository repo = impl.getRulesRepository();


        PackageItem item = repo.createPackage( "testLoader2",
                                               "to test the loader for fact templates" );
        DroolsHeader.updateDroolsHeader( "import java.util.Date\ntemplate Person\njava.lang.String name\nDate birthDate\nend",
                                                  item );
        repo.save();


        BRMSSuggestionCompletionLoader loader = new BRMSSuggestionCompletionLoader();


        SuggestionCompletionEngine engine = loader.getSuggestionEngine( item );
        assertNotNull( engine );

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    }


    @Test
    public void testIgnoreArchivedItems() throws Exception {
        ServiceImplementation serviceImplementation = getServiceImplementation();
        RulesRepository repo = serviceImplementation.getRulesRepository();


        PackageItem pkg = repo.createPackage("testIgnoreArchivedItems",
                "");
        AssetItem model = pkg.addAsset("model",
                "qed");
        model.updateFormat(AssetFormats.MODEL);


        model.updateBinaryContentAttachment(this.getClass().getResourceAsStream("/billasurf.jar"));
        model.checkin("");


        DroolsHeader.updateDroolsHeader("import com.billasurf.Board\n global com.billasurf.Person customer",
                pkg);


        AssetItem rule1 = pkg.addAsset("rule_1",
                "");
        rule1.updateFormat(AssetFormats.DRL);
        rule1.updateContent("rule 'rule1' \n when Board() \n then customer.setAge(42); \n end");
        rule1.checkin("");


        AssetItem rule2 = pkg.addAsset("rule2",
                "");
        rule2.updateFormat(AssetFormats.DRL);
        rule2.updateContent("agenda-group 'q' \n when \n Boardx() \n then \n System.err.println(42);");
        rule2.checkin("");


        repo.save();


        PackageAssembler asm = new PackageAssembler(pkg);
        asm.compile();
        assertTrue(asm.hasErrors());

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    @Test
    public void testDeclaredTypes() throws Exception {


        ServiceImplementation impl = getServiceImplementation();
        RulesRepository repo = impl.getRulesRepository();


        PackageItem item = repo.createPackage( "testLoaderDeclaredTypes",
                                               "to test the loader for declared types" );
        AssetItem asset = item.addAsset( "MyModel",
                                         "" );
        asset.updateFormat( AssetFormats.DRL_MODEL );
        asset.updateContent( "declare Car\n pieceOfRubbish: Boolean \n name: String \nend" );
        asset.checkin( "" );


        repo.save();
        BRMSSuggestionCompletionLoader loader = new BRMSSuggestionCompletionLoader();


        SuggestionCompletionEngine engine = loader.getSuggestionEngine( item );
        assertNotNull( engine );
        String[] factTypes = engine.getFactTypes();

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     * functions or package header.
     */
    @Test
    public void testErrorsInRuleAsset() throws Exception {
        ServiceImplementation serviceImplementation = getServiceImplementation();
        RulesRepository repo = serviceImplementation.getRulesRepository();


        //first, setup the package correctly:
        PackageItem pkg = repo.createPackage("testErrorsInRuleAsset",
                "");
        AssetItem model = pkg.addAsset("model",
                "qed");
        model.updateFormat(AssetFormats.MODEL);
        model.updateBinaryContentAttachment(this.getClass().getResourceAsStream("/billasurf.jar"));
        model.checkin("");
        DroolsHeader.updateDroolsHeader("import com.billasurf.Board\n global com.billasurf.Person customer",
                pkg);
        repo.save();


        AssetItem goodRule = pkg.addAsset("goodRule",
                "");
        goodRule.updateFormat(AssetFormats.DRL);
        goodRule.updateContent("rule 'yeah' \n when \n Board() \n then \n System.out.println(42); end");

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    @Test
    public void testLoadDSLs() throws Exception {
        String dsl = "[when]The agents rating is {rating}=doNothing()\n[then]Send a notification to manufacturing '{message}'=foo()";
        
        ServiceImplementation impl = getServiceImplementation();
        RulesRepository repo = impl.getRulesRepository();


        PackageItem item = repo.createPackage( "testLoadDSLs",
                                               "to test the loader for DSLs" );
        AssetItem asset = item.addAsset( "mydsl",
                                         "" );
        asset.updateFormat( AssetFormats.DSL );
        asset.updateContent( dsl );
        asset.checkin( "ok" );


        item = repo.loadPackage( "testLoadDSLs" );
        BRMSSuggestionCompletionLoader loader = new BRMSSuggestionCompletionLoader();


        SuggestionCompletionEngine eng = loader.getSuggestionEngine( item );
        assertFalse( eng.hasDataEnumLists() );
        assertFalse( loader.hasErrors() );

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    @Test
    @Ignore("Temporally ignored -Rikkola-")
    public void testEventingExample() throws Exception {
        ServiceImplementation serviceImplementation = getServiceImplementation();
        RulesRepository repo = serviceImplementation.getRulesRepository();


        PackageItem pkg = repo.createPackage("testEventingExample",
                "");
        AssetItem model = pkg.addAsset("model",
                "qed");
        model.updateFormat(AssetFormats.MODEL);

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    @Test
    public void testLoadEnumerations() throws Exception {
        String enumeration = "'Person.sex' : ['M', 'F']";


        ServiceImplementation impl = getServiceImplementation();
        RulesRepository repo = impl.getRulesRepository();


        PackageItem item = repo.createPackage( "testLoadEnums",
                                               "to test the loader for enums" );
        AssetItem asset = item.addAsset( "myenum",
                                         "" );
        asset.updateFormat( AssetFormats.ENUMERATION );
        asset.updateContent( enumeration );
        asset.checkin( "ok" );


        item = repo.loadPackage( "testLoadEnums" );
        BRMSSuggestionCompletionLoader loader = new BRMSSuggestionCompletionLoader();
        SuggestionCompletionEngine sce = loader.getSuggestionEngine( item );


        assertFalse( loader.hasErrors() );
        assertEquals( 1,
                      sce.getDataEnumListsSize() );


        asset.updateContent( "goober boy" );
        asset.checkin( "yeah" );
        item = repo.loadPackage( "testLoadEnums" );
        loader = new BRMSSuggestionCompletionLoader();
        sce = loader.getSuggestionEngine( item );
        assertTrue( loader.hasErrors() );


    }

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