Examples of org.drools.repository.PackageItem

org.drools.repository.PackageItem
A PackageItem 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 rules.
A PackageItem refers to rule nodes within the RulesRepository. It contains the "master copy" of assets (which may be linked into other packages or other types of containers). This is a container "node". @author btruitt

    @Restrict("#{identity.loggedIn}")
    public void updateWorkspace(String workspace,
                                String[] selectedModules,
                                String[] unselectedModules) {
        for ( String moduleName : selectedModules ) {
            PackageItem module = getRulesRepository().loadPackage( moduleName );
            module.addWorkspace( workspace );
            module.checkin( "Add workspace" );
        }
        for ( String moduleName : unselectedModules ) {
            PackageItem module = getRulesRepository().loadPackage( 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 {


            PackageItem pkg = getRulesRepository().loadPackage( initialPackage );
            AssetItem asset = pkg.addAsset( ruleName,
                                            description,
                                            initialCategory,
                                            format );


            new AssetTemplateCreator().applyPreBuiltTemplates( ruleName,
                                                               format,
                                                               asset );
            getRulesRepository().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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        serviceSecurity.checkSecurityIsPackageDeveloperWithPackageName( initialPackage );


        log.info( "USER:" + getRulesRepository().getSession().getUserID() + " CREATING shared asset imported from global area named [" + sharedAssetName + "] in package [" + initialPackage + "]" );


        try {
            PackageItem packageItem = getRulesRepository().loadPackage( initialPackage );
            AssetItem asset = packageItem.addAssetImportedFromGlobalArea( sharedAssetName );
            getRulesRepository().save();


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

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    public void deleteUncheckedRule(String uuid) {
        serviceSecurity.checkSecurityIsPackageAdminWithAdminType();


        AssetItem asset = getRulesRepository().loadAssetByUUID( uuid );


        PackageItem packageItem = asset.getPackage();
        packageItem.updateBinaryUpToDate( false );


        asset.remove();


        getRulesRepository().save();
        push( "packageChange",
              packageItem.getName() );
    }

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    public SuggestionCompletionEngine loadSuggestionCompletionEngine(String packageName) throws SerializationException {
        //No need to check role based permission here. Package auto completion suggestion should be available to everybody. 
        //serviceSecurity.checkSecurityIsPackageReadOnlyWithPackageName( packageName );
        SuggestionCompletionEngine suggestionCompletionEngine = null;
        try {
            PackageItem packageItem = getRulesRepository().loadPackage( packageName );
            suggestionCompletionEngine = new SuggestionCompletionEngineLoaderInitializer().loadFor( packageItem );
        } catch ( RulesRepositoryException e ) {
            log.error( "An error occurred loadSuggestionCompletionEngine: " + e.getMessage() );
            throw new SerializationException( e.getMessage() );
        }

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     */
    public String loadBinaryPackage(String packageName,
                                    String packageVersion,
                                    boolean isLatest,
                                    OutputStream out) throws IOException {
        PackageItem item = null;
        if ( isLatest ) {
            item = repository.loadPackage( packageName );
            byte[] data = item.getCompiledPackageBytes();
            out.write( data );
            out.flush();
            return packageName + ".pkg";
        } else {
            item = repository.loadPackageSnapshot( packageName,
                                                   packageVersion );
            byte[] data = item.getCompiledPackageBytes();
            out.write( data );
            out.flush();
            return packageName + "_" + URLEncoder.encode( packageVersion,
                                                          "UTF-8" ) + ".pkg";
        }

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     */
    public String loadSourcePackage(String packageName,
                                    String packageVersion,
                                    boolean isLatest,
                                    OutputStream out) throws IOException {
        PackageItem item = null;
        if ( isLatest ) {
            item = repository.loadPackage( packageName );
            PackageDRLAssembler asm = new PackageDRLAssembler( item );
            String drl = asm.getDRL();
            out.write( drl.getBytes() );

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    @Restrict("#{identity.loggedIn}")
    public String importClassicDRL(InputStream drlStream,
                                   String packageName) throws IOException,
                                                      DroolsParserException {
        ClassicDRLImporter imp = new ClassicDRLImporter( drlStream );
        PackageItem pkg = null;


        if ( packageName == null ) {
            packageName = imp.getPackageName();
        }


        if ( packageName == null || "".equals( packageName ) ) {
            throw new IllegalArgumentException( "Missing package name." );
        }


        boolean existing = repository.containsPackage( packageName );


        // Check if the package is archived
        if ( existing && repository.isPackageArchived( packageName ) ) {
            // Remove the package so it can be created again.
            PackageItem item = repository.loadPackage( packageName );
            item.remove();
            existing = false;
        }


        if ( existing ) {
            pkg = repository.loadPackage( packageName );

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    /**
     * This will return the last time the package was built.
     */
    public long getLastModified(String name,
                                String version) {
        PackageItem item = null;
        if ( version.equals( "LATEST" ) ) {
            item = repository.loadPackage( name );
        } else {
            item = repository.loadPackageSnapshot( name,
                                                   version );
        }
        return item.getLastModified().getTimeInMillis();
    }

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    public String loadSourceAsset(String packageName,
                                  String packageVersion,
                                  boolean isLatest,
                                  String assetName,
                                  ByteArrayOutputStream out) throws IOException {
        PackageItem pkg = null;
        if ( isLatest ) {
            pkg = repository.loadPackage( packageName );
        } else {
            pkg = repository.loadPackageSnapshot( packageName,
                                                  packageVersion );
        }


        AssetItem item = pkg.loadAsset( assetName );
        ContentHandler handler = ContentManager.getHandler( item.getFormat() );
        StringBuilder stringBuilder = new StringBuilder();
        if ( handler.isRuleAsset() ) {


            BRMSPackageBuilder builder = new BRMSPackageBuilder();

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