org.apache.olingo.server.api.batch

## Interface BatchFacade

-     public interface BatchFacade

  Provides methods to process `ODataRequest`s and `BatchRequestPart`s in the context of a batch request.

  Within a `BatchProcessor` implementation BatchRequestParts should be passed to `handleBatchRequest(BatchRequestPart)`. Only if the BatchRequestPart represents a change set, the request will be delegated to `BatchProcessor.processChangeSet(BatchFacade, java.util.List)`. Otherwise the requests will be directly executed.

  The processor implementation could use `handleODataRequest(ODataRequest)` to process requests in a change set.

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `String` | `extractBoundaryFromContentType(String contentType)` Extracts the boundary of a multipart/mixed header.
    `ODataResponsePart` | `handleBatchRequest(BatchRequestPart request)` Handles a BatchRequestPart.
    `ODataResponse` | `handleODataRequest(ODataRequest request)` Executes an ODataRequest, which must be a part of a change set.

- - ### Method Detail

    - #### handleODataRequest

          ODataResponse handleODataRequest(ODataRequest request)
                                    throws ODataApplicationException,
                                           ODataLibraryException

      Executes an ODataRequest, which must be a part of a change set. Each request must have a Content-Id header field, which holds an identifier that is unique in the whole batch request.
      Parameters:
        `request` - ODataRequest to process
      Returns:
        corresponding ODataResponse to the given request
      Throws:
        `ODataApplicationException`
        `ODataLibraryException`

    - #### handleBatchRequest

          ODataResponsePart handleBatchRequest(BatchRequestPart request)
                                        throws ODataApplicationException,
                                               ODataLibraryException

      Handles a BatchRequestPart.
      Parameters:
        `request` - Request to process
      Returns:
        corresponding `ODataResponsePart`
      Throws:
        `ODataApplicationException`
        `ODataLibraryException`

    - #### extractBoundaryFromContentType

          String extractBoundaryFromContentType(String contentType)
                                         throws ODataApplicationException,
                                                ODataLibraryException

      Extracts the boundary of a multipart/mixed header. See RFC 2046#5.1
      Parameters:
        `contentType` - Content Type
      Returns:
        boundary
      Throws:
        `ODataApplicationException`
        `ODataLibraryException`

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