Examples of org.drools.repository.ModuleItem

org.drools.repository.ModuleItem
A ModuleItem object aggregates a set of assets (for example, rules). This is advantageous for systems using the JBoss Rules engine where the application might make use of many related assets.
A ModuleItem refers to module nodes within the RulesRepository. It contains the "master copy" of assets (which may be linked into other module or other types of containers). This is a container "node".

    @GET
    @Path("{packageName}/versions/{versionNumber}/source")
    @Produces(MediaType.TEXT_PLAIN)
    public Response getHistoricalPackageSource(@PathParam("packageName") String packageName,
                                               @PathParam("versionNumber") long versionNumber) {
        ModuleItem item = rulesRepository.loadModule(packageName, versionNumber);
        ModuleAssembler moduleAssembler = ModuleAssemblerManager.getModuleAssembler(item.getFormat(), item, null);
        String drl = moduleAssembler.getCompiledSource();
        return Response.ok(drl).header("Content-Disposition", "attachment; filename=" + packageName).
                    header("Last-Modified", createDateFormat().format(this.convertToGmt(item.getLastModified()).getTime())).build();
    }

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    @GET
    @Path("{packageName}/versions/{versionNumber}/binary")
    @Produces(MediaType.APPLICATION_OCTET_STREAM)
    public Response getHistoricalPackageBinary(@PathParam("packageName") String packageName,
                                               @PathParam("versionNumber") long versionNumber) throws SerializationException {
        ModuleItem p = rulesRepository.loadModule(packageName, versionNumber);
        byte[] result = p.getCompiledBinaryBytes();
        if (result != null) {
            String fileName = packageName + ".pkg";
            return Response.ok(result).header("Content-Disposition", "attachment; filename=" + fileName).
                    header("Last-Modified", createDateFormat().format(this.convertToGmt(p.getLastModified()).getTime())).build();
        } else {
            return Response.status(500).entity("This package version has no compiled binary").type("text/plain").build();
        }
    }

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    @PUT
    @Path("{packageName}")
    @Consumes(MediaType.APPLICATION_ATOM_XML)
    public void updatePackageFromAtom(@PathParam("packageName") String packageName, Entry entry) {
        try {
            ModuleItem p = rulesRepository.loadModule(packageName);
            p.checkout();
            // TODO: support rename package.
            // p.updateTitle(entry.getTitle());


            if (entry.getSummary() != null) {
                p.updateDescription(entry.getSummary());
            }
            // TODO: support LastContributor
            if (entry.getAuthor() != null) {
            }


            ExtensibleElement metadataExtension = entry
                    .getExtension(Translator.METADATA);
            if (metadataExtension != null) {
                ExtensibleElement archivedExtension = metadataExtension
                        .getExtension(Translator.ARCHIVED);
                if (archivedExtension != null) {
                    p.archiveItem(Boolean.getBoolean(archivedExtension
                            .getSimpleExtension(Translator.VALUE)));
                }


                // TODO: Package state is not fully supported yet
                /*
                 * ExtensibleElement stateExtension =
                 * metadataExtension.getExtension(Translator.STATE);
                 * if(stateExtension != null) {
                 * p.updateState(stateExtension.getSimpleExtension
                 * (Translator.STATE)); }
                 */
            }


            p.checkin("Updated from ATOM.");
            rulesRepository.save();
        } catch (Exception e) {
            throw new WebApplicationException(e);
        }
    }

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    @PUT
    @Path("{packageName}")
    @Consumes({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
    public void updatePackageFromJAXB(@PathParam("packageName") String packageName, Package p) {
        try {
            ModuleItem item = rulesRepository.loadModule(packageName);
            item.checkout();
            item.updateDescription(p.getDescription());
            item.updateTitle(p.getTitle());
            /* TODO: add more updates to package item from JSON */
            item.checkin(p.getCheckInComment());
            rulesRepository.save();
        } catch (Exception e) {
            throw new WebApplicationException(e);
        }
    }

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    @DELETE
    @Path("{packageName}")
    public void deletePackage(@PathParam("packageName") String packageName) {
        try {
            //Throws RulesRepositoryException if the package does not exist
            ModuleItem p = rulesRepository.loadModule(packageName);
            repositoryPackageService.removeModule(p.getUUID());
        } catch (Exception e) {
            // catch RulesRepositoryException and other exceptions.
            throw new WebApplicationException(e);
        }
    }

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            @PathParam("packageName") String packageName,
            @QueryParam("format") List<String> formats) {
        try {
            Factory factory = Abdera.getNewFactory();
            Feed feed = factory.getAbdera().newFeed();
            ModuleItem p = rulesRepository.loadModule(packageName);
            feed.setTitle(p.getTitle() + "-asset-feed");
            
            Iterator<AssetItem> iter = null;
            
            if (formats.isEmpty()){
                //no format specified? Return all assets
                iter = p.getAssets();
            }else{
                //if the format is specified, return only the assets of
                //the specified formats.
                iter = p.listAssetsByFormat(formats);
            }
            
            while (iter.hasNext())
                feed.addEntry(toAssetEntryAbdera(iter.next(), uriInfo));
            return feed;

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    public Collection<Asset> getAssetsAsJAXB(
            @PathParam("packageName") String packageName,
            @QueryParam("format") List<String> formats) {
        try {
            List<Asset> ret = new ArrayList<Asset>();
            ModuleItem p = rulesRepository.loadModule(packageName);
            
            Iterator<AssetItem> iter = null;
            
            if (formats.isEmpty()){
                //no format specified? Return all assets
                iter = p.getAssets();
            }else{
                //if the format is specified, return only the assets of
                //the specified formats.
                iter = p.listAssetsByFormat(formats);
            }
            
            while (iter.hasNext()) {
                ret.add(toAsset(iter.next(), uriInfo));
            }

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                assetItem);
    }
    
    private TemporalBRLAssetVerifier getTemporalBRLAssetVerifier(VerifierConfiguration verifierConfiguration, Asset ruleAsset) throws SerializationException {
        
        ModuleItem pkg = repositoryAssetService.getRulesRepository().loadModule(ruleAsset.getMetaData().moduleName);
        
        return new TemporalBRLAssetVerifier(
                VerifierBuilderFactory.newVerifierBuilder().newVerifier(verifierConfiguration),
                ruleAsset, pkg);
    }

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    @LoggedIn
    public void updateWorkspace(String workspace,
                                String[] selectedModules,
                                String[] unselectedModules) {
        for ( String moduleName : selectedModules ) {
            ModuleItem module = rulesRepository.loadModule( moduleName );
            module.addWorkspace( workspace );
            module.checkin( "Add workspace" );
        }
        for ( String moduleName : unselectedModules ) {
            ModuleItem module = rulesRepository.loadModule( moduleName );
            module.removeWorkspace( workspace );
            module.checkin( "Remove workspace" );
        }
    }

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        log.info( "USER:" + getCurrentUserName() + " CREATING new asset name [" + ruleName + "] in package [" + initialPackage + "]" );


        try {


            ModuleItem pkg = rulesRepository.loadModule( initialPackage );
            AssetItem asset = pkg.addAsset( ruleName,
                                            description,
                                            initialCategory,
                                            format );


            new AssetTemplateCreator().applyPreBuiltTemplates( ruleName,
                                                               format,
                                                               asset );
            rulesRepository.save();


            push( "categoryChange",
                  initialCategory );
            push( "packageChange",
                  pkg.getName() );


            return asset.getUUID();
        } catch ( RulesRepositoryException e ) {
            if ( e.getCause() instanceof ItemExistsException ) {
                return "DUPLICATE";

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