Examples of org.apache.abdera.protocol.server.Transactional

Package org.apache.abdera.protocol.server

Examples of org.apache.abdera.protocol.server.Transactional

org.apache.abdera.protocol.server.Transactional
CollectionAdapter implementations can implement the Transactional interface in order to support start/end/compensate behaviors. Providers will invoke the start/end methods before/after calling the appropriate CollectionAdapter methods and will call compensate if an error occurs

            return ProviderHelper.notfound(request);
        }


        WorkspaceManager wm = getWorkspaceManager(request);
        CollectionAdapter adapter = wm.getCollectionAdapter(request);
        Transactional transaction = adapter instanceof Transactional ? (Transactional) adapter : null;
        ResponseContext response = null;
        try {
            transactionStart(transaction, request);
            response = processor.process(request, wm, adapter);
            response = response != null ? response : processExtensionRequest(request, adapter);

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            return ProviderHelper.notfound(request);
        }


        WorkspaceManager wm = getWorkspaceManager(request);
        CollectionAdapter adapter = wm.getCollectionAdapter(request);
        Transactional transaction = adapter instanceof Transactional ? (Transactional)adapter : null;
        ResponseContext response = null;
        try {
            transactionStart(transaction, request);
            response = processor.process(request, wm, adapter);
            response = response != null ? response : processExtensionRequest(request, adapter);

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            return ProviderHelper.notfound(request);
        }


        WorkspaceManager wm = getWorkspaceManager(request);
        CollectionAdapter adapter = wm.getCollectionAdapter(request);
        Transactional transaction = adapter instanceof Transactional ? (Transactional) adapter
                : null;
        ResponseContext response = null;
        try {
            transactionStart(transaction, request);
            response = processor.process(request, wm, adapter);

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      if (adapter == null) {
        return ProviderHelper.notfound(
          request);
      }
      
      Transactional transaction = 
        adapter instanceof Transactional ? 
          (Transactional)adapter : null;
      ResponseContext response = null;
      try {
        if (transaction != null) transaction.start(request);
        if (type == TargetType.TYPE_CATEGORIES) {
          if (method.equalsIgnoreCase("GET"))
            response = adapter.getCategories(request);
        } else if (type == TargetType.TYPE_COLLECTION) {
          if (method.equalsIgnoreCase("GET")) 
            response = adapter.getFeed(request);
          else if (method.equalsIgnoreCase("POST")) {
            response = ProviderHelper.isAtom(request) ?
              adapter.postEntry(request) :
              adapter instanceof MediaCollectionAdapter ?
                ((MediaCollectionAdapter)adapter).postMedia(request) :
                ProviderHelper.notsupported(request);
          }
        } else if (type == TargetType.TYPE_ENTRY) {
          if (method.equalsIgnoreCase("GET")) 
            response = adapter.getEntry(request);
          else if (method.equalsIgnoreCase("PUT")) 
            response = adapter.putEntry(request);
          else if (method.equalsIgnoreCase("DELETE")) 
            response = adapter.deleteEntry(request);
          else if (method.equalsIgnoreCase("HEAD")) 
            response = adapter.headEntry(request);
          else if (method.equalsIgnoreCase("OPTIONS")) 
            response = adapter.optionsEntry(request);
        } else if (type == TargetType.TYPE_MEDIA) {
          if (adapter instanceof MediaCollectionAdapter) {
            MediaCollectionAdapter mcadapter = 
              (MediaCollectionAdapter) adapter;
            if (method.equalsIgnoreCase("GET")) 
              response = mcadapter.getMedia(request);
            else if (method.equalsIgnoreCase("PUT")) 
              response = mcadapter.putMedia(request);
            else if (method.equalsIgnoreCase("DELETE")) 
              response = mcadapter.deleteMedia(request);   
            else if (method.equalsIgnoreCase("HEAD")) 
              response = mcadapter.headMedia(request);   
            else if (method.equalsIgnoreCase("OPTIONS")) 
              response = mcadapter.optionsMedia(request);        
          } else {
            response = ProviderHelper.notsupported(request);
          }
        } else if (type == TargetType.TYPE_NOT_FOUND) {
          response = ProviderHelper.notfound(request);
        } else {
          response = adapter.extensionRequest(request);
        }
        if (response == null)
          response = ProviderHelper.notsupported(request);
        return response;
      } catch (Throwable e) {
        log.error(e);
        if (transaction != null) 
          transaction.compensate(request,e);
        response = ProviderHelper.servererror(request, e);
        return response;
      } finally {
        if (transaction != null) 
          transaction.end(request, response);
      }
  }

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Related Classes of org.apache.abdera.protocol.server.Transactional

com.trsst.server.AbderaProvider

org.apache.abdera.protocol.server.impl.AbstractProvider

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