Interface ResourceProvider


  • public interface ResourceProvider
    This interface provides (binary) resources at runtime to the appropriate clients. For instance, code can be hot-deployed this way.
    Author:
    Ulrich Kreher, Kevin Goeser
    • Method Detail

      • getResourceDescriptor

        ResourceDescriptor getResourceDescriptor​(SessionToken session,
                                                 UUID resourceID)
        Gets the latest revision of the designated resource descriptor or null in case no resource descriptor with the designated ID exists.
        Parameters:
        session - The session which is used to check for access rights on this method.
        resourceID - The ID of the resource descriptor of which to retrieve the latest revision.
        Returns:
        The latest revision of the resource descriptor having the designated ID or null in case the corresponding resource descriptor does not exist.
      • getResource

        byte[] getResource​(SessionToken session,
                           UUID resourceID)
        Gets the (latest revision of the) designated resource or null in case no resource with the designated ID exists.
        Parameters:
        session - The session which is used to check for access rights on this method.
        resourceID - The ID of the resource of which to retrieve the latest revision.
        Returns:
        The latest revision of the resource having the designated ID or null in case the corresponding resource does not exist.
      • getResourceIncrementally

        ServerStream getResourceIncrementally​(SessionToken session,
                                              UUID resourceID)
        The same as getResource(SessionToken, UUID) but with incremental retrieval of the resource.
        Parameters:
        session - The session which is used to check for access rights on this method.
        resourceID - The ID of the resource of which to retrieve the latest revision.
        Returns:
        The latest revision of the resource having the designated ID as ServerStream or null in case the corresponding resource does not exist.
      • getResource

        byte[] getResource​(SessionToken session,
                           ResourceDescriptor resourceDescriptor)
        Gets the the resource identified by the resource descriptor. Note that this considers the revision of the designated resource (descriptor)!
        Parameters:
        session - The session which is used to check for access rights on this method.
        resourceDescriptor - The descriptor providing the resource ID as well as the revision for which to retrieve resource.
        Returns:
        The resource belonging to the designated resource descriptor (resource ID and revision).
        Throws:
        IllegalArgumentException - If the designated resource descriptor is invalid, for instance it has an invalid resource ID or revision, an IllegalArgumentException will be thrown.
      • getResourceIncrementally

        ServerStream getResourceIncrementally​(SessionToken session,
                                              ResourceDescriptor resourceDescriptor)
        The same as getResource(SessionToken, ResourceDescriptor) but with incremental retrieval of the resource.
        Parameters:
        session - The session which is used to check for access rights on this method.
        resourceDescriptor - The descriptor providing the resource ID as well as the revision for which to retrieve resource.
        Returns:
        The resource belonging to the designated resource descriptor (resource ID and revision) as ServerStream or null in case the corresponding resource does not exist.
        Throws:
        IllegalArgumentException - If the designated resource descriptor is invalid, for instance it has an invalid resource ID or revision, an IllegalArgumentException will be thrown.