format 38
"BackendLayer" // BackendLayer
  revision 4
  modified_by 97 "ct"
  // class settings
  //class diagram settings
  draw_all_relations default hide_attributes default hide_operations default show_members_full_definition default show_members_visibility default show_members_stereotype default show_parameter_dir default show_parameter_name default package_name_in_tab default class_drawing_mode default drawing_language default show_context_mode default auto_label_position default show_infonote default shadow default
  //use case diagram settings
  package_name_in_tab default show_context default auto_label_position default draw_all_relations default shadow default
  //sequence diagram settings
  show_full_operations_definition default write_horizontally default drawing_language default draw_all_relations default shadow default
  //collaboration diagram settings
  show_full_operations_definition default show_hierarchical_rank default write_horizontally default drawing_language default package_name_in_tab default show_context default draw_all_relations default shadow default
  //object diagram settings
   write_horizontally default package_name_in_tab default show_context default auto_label_position default draw_all_relations default shadow default
  //component diagram settings
  package_name_in_tab default show_context default auto_label_position default draw_all_relations default shadow default
  draw_component_as_icon default show_component_req_prov default show_component_rea default
  //deployment diagram settings
  package_name_in_tab default show_context default write_horizontally default auto_label_position default draw_all_relations default shadow default
  draw_component_as_icon default show_component_req_prov default show_component_rea default
  //state diagram settings
  package_name_in_tab default show_context default auto_label_position default write_trans_label_horizontally default show_trans_definition default draw_all_relations default shadow default
  show_activities default region_horizontally default drawing_language default
  //activity diagram settings
  package_name_in_tab default show_context default show_opaque_action_definition default auto_label_position default write_flow_label_horizontally default draw_all_relations default shadow default
  show_infonote default drawing_language default
  
  classview 128517 "Backend Components"
    //class diagram settings
    draw_all_relations default hide_attributes default hide_operations default show_members_full_definition default show_members_visibility default show_members_stereotype default show_parameter_dir default show_parameter_name default package_name_in_tab default class_drawing_mode default drawing_language default show_context_mode default auto_label_position default show_infonote default shadow default
    //collaboration diagram settings
    show_full_operations_definition default show_hierarchical_rank default write_horizontally default drawing_language default package_name_in_tab default show_context default draw_all_relations default shadow default
    //object diagram settings
     write_horizontally default package_name_in_tab default show_context default auto_label_position default draw_all_relations default shadow default
    //sequence diagram settings
    show_full_operations_definition default write_horizontally default drawing_language default draw_all_relations default shadow default
    //state diagram settings
    package_name_in_tab default show_context default auto_label_position default write_trans_label_horizontally default show_trans_definition default draw_all_relations default shadow default
    show_activities default region_horizontally default drawing_language default
    //class settings
    //activity diagram settings
    package_name_in_tab default show_context default show_opaque_action_definition default auto_label_position default write_flow_label_horizontally default draw_all_relations default shadow default
    show_infonote default drawing_language default
    
    class 131205 "FrameProvider"
      visibility public stereotype "boundary"
      cpp_decl "${comment}${template}class ${name}${inherit} {
${members}};
${inlines}
"
      java_decl ""
      idl_decl "${comment}${abstract}${local}interface ${name}${inherit} {
${members}};
"
      explicit_switch_type ""
      
      comment "Note: just a Placeholder for my design. Cehteh will ceratinly know much better how to organize this"
      operation 129285 "prepareStream"
	public explicit_return_type ""
	nparams 0
	cpp_decl "    ${comment}${friend}${static}${inline}${virtual}${type} ${name}${(}${)}${const}${volatile}${throw}${abstract};
"
	cpp_def "${comment}${inline}${type} ${class}::${name}${(}${)}${const}${volatile}${throw}${staticnl}{
  ${body}}
"
	
	
      end

      operation 129541 "getReady"
	public explicit_return_type ""
	nparams 0
	cpp_decl "    ${comment}${friend}${static}${inline}${virtual}${type} ${name}${(}${)}${const}${volatile}${throw}${abstract};
"
	cpp_def "${comment}${inline}${type} ${class}::${name}${(}${)}${const}${volatile}${throw}${staticnl}{
  ${body}}
"
	
	
      end
    end

    classdiagram 128181 "File Mapping"
      draw_all_relations no hide_attributes default hide_operations default show_members_full_definition default show_members_visibility default show_members_stereotype default show_parameter_dir default show_parameter_name default package_name_in_tab default class_drawing_mode default drawing_language default show_context_mode default auto_label_position default show_infonote default shadow default
      size A4
    end

    classdiagram 128309 "In Memory Database"
      draw_all_relations default hide_attributes default hide_operations default show_members_full_definition default show_members_visibility default show_members_stereotype default show_parameter_dir default show_parameter_name default package_name_in_tab default class_drawing_mode default drawing_language default show_context_mode default auto_label_position default show_infonote default shadow default
      size A4
    end

    class 128181 "File"
      visibility package 
      cpp_decl "${comment}${template}class ${name}${inherit} {
${members}};
${inlines}
"
      java_decl ""
      idl_decl ""
      explicit_switch_type ""
      
      classrelation 128437 // descriptor (descriptor)
	relation 128437 o--> name "descriptor"
	  a role_name "descriptor" multiplicity "" protected
	    comment "type of this frame"
	    cpp default "    ${comment}${static}${mutable}${volatile}${const}${type} * ${name}${value};
"
	    classrelation_ref 128437 // descriptor (descriptor)
	  b multiplicity "" parent class_ref 128693 // FileHandle
      end

      operation 128181 "getFrame"
	public return_type class_ref 128821 // Frame
	nparams 2
	  param in name "" type class_ref 128949 // FrameDescriptor
	  param in name "frame_address" explicit_type ""
	cpp_decl "    ${comment}${friend}${static}${inline}${virtual}${type} ${name}${(}${)}${const}${volatile}${throw}${abstract};
"
	cpp_def "${comment}${inline}${type} ${class}::${name}${(}${)}${const}${volatile}${throw}${staticnl}{
  ${body}}
"
	
	
      end

      classrelation 128225 // handle (<directional aggregation>)
	relation 128225 o-->
	  a role_name "handle" multiplicity "0..1" protected
	    comment "weak pointer"
	    cpp default "    ${comment}${static}${mutable}${volatile}${const}${type} * ${name}${value};
"
	    classrelation_ref 128225 // handle (<directional aggregation>)
	  b multiplicity "" parent class_ref 128693 // FileHandle
      end

      classrelation 128609 // mappings (<directional aggregation>)
	relation 128481 o-->
	  a role_name "mappings" multiplicity "*" protected
	    comment "weak pointers"
	    cpp default "    ${comment}${static}${mutable}${volatile}${const}${type} * ${name}${value};
"
	    classrelation_ref 128609 // mappings (<directional aggregation>)
	  b multiplicity "" parent class_ref 128565 // FileMap
	  association_explicit_type "index"
      end
    end

    class 128309 "FileHandleCache"
      visibility package 
      cpp_decl "${comment}${template}class ${name}${inherit} {
${members}};
${inlines}
"
      java_decl ""
      idl_decl ""
      explicit_switch_type ""
      
      classrelation 128737 // handles (<aggregation by value>)
	relation 128609 *---
	  stereotype "list"
	  a role_name "handles" multiplicity "*" protected
	    cpp default "    ${comment}${static}${mutable}${volatile}${const}${type} ${name}${value};
"
	    classrelation_ref 128737 // handles (<aggregation by value>)
	  b role_name "" multiplicity "" protected
	    cpp default "    ${comment}${static}${mutable}${volatile}${const}${type} ${name}${value};
"
	    classrelation_ref 128865 // <aggregation by value>
      end

      attribute 128225 "handles_available"
	private explicit_type "int"
	init_value "100"
	cpp_decl "    ${comment}${static}${mutable}${volatile}${const}${type} ${name}${value};
"
	java_decl ""
	idl_decl ""
	comment "initialized to the maximum number of filehandles the backend may use for mapped files. When no handles are available, the handle which is last in the handles list is closed and (re-)used.
Else this number is decremented for each new filehandle used and incremented for any one explicitly freed."
      end
    end

    class 128437 "FileMapCache"
      visibility package 
      cpp_decl "${comment}${template}class ${name}${inherit} {
${members}};
${inlines}
"
      java_decl ""
      idl_decl ""
      explicit_switch_type ""
      
      attribute 128481 "checked_out"
	protected explicit_type "list"
	cpp_decl "    ${comment}${static}${mutable}${volatile}${const}${type} ${name}${value};
"
	java_decl ""
	idl_decl ""
      end

      classrelation 129505 // <association>
	relation_ref 128993 // <association>
      end

      attribute 128609 "checked_in"
	protected explicit_type "list"
	cpp_decl "    ${comment}${static}${mutable}${volatile}${const}${type} ${name}${value};
"
	java_decl ""
	idl_decl ""
      end

      classrelation 129633 // <directional aggregation by value>
	relation 129121 *-->
	  stereotype "list"
	  a role_name "" multiplicity "" protected
	    comment "FileMap objects are moved (spliced) between the checked_in and checked_out lists depending if they are in use or subject of cache aging"
	    cpp default "    ${comment}${static}${mutable}${volatile}${const}${type} ${name}${value};
"
	    classrelation_ref 129633 // <directional aggregation by value>
	  b multiplicity "" parent class_ref 128565 // FileMap
      end
    end

    class 128565 "FileMap"
      visibility package 
      cpp_decl "${comment}${template}class ${name}${inherit} {
${members}};
${inlines}
"
      java_decl ""
      idl_decl ""
      explicit_switch_type ""
      
      associated_diagram classdiagram_ref 128181 // File Mapping
    end

    class 128693 "FileHandle"
      visibility package 
      cpp_decl "${comment}${template}class ${name}${inherit} {
${members}};
${inlines}
"
      java_decl ""
      idl_decl ""
      explicit_switch_type ""
      
      classrelation 128865 // <aggregation by value>
	relation_ref 128609 // <aggregation by value>
      end
    end

    class 128821 "Frame"
      visibility package 
      cpp_decl "${comment}${template}class ${name}${inherit} {
${members}};
${inlines}
"
      java_decl ""
      idl_decl ""
      explicit_switch_type ""
      
      comment "Frames are just a low level lump of continous memory, most parts are opaque. Frames are memory sensitive, they will be small constant sized structures which can be efficently managed in a pool."
      classrelation 128181 // <directional aggregation>
	relation 128181 o-->
	  a role_name "" multiplicity "*" protected
	    cpp default "    ${comment}${static}${mutable}${volatile}${const}${stereotype}<${type} *> ${name}${value};
"
	    classrelation_ref 128181 // <directional aggregation>
	  b multiplicity "" parent class_ref 128949 // FrameDescriptor
	  association_type class_ref 128949 // FrameDescriptor
      end

      classrelation 128309 // <directional aggregation>
	relation 128309 o-->
	  a role_name "" multiplicity "" protected
	    cpp default "    ${comment}${static}${mutable}${volatile}${const}${type} * ${name}${value};
"
	    classrelation_ref 128309 // <directional aggregation>
	  b multiplicity "" parent class_ref 128949 // FrameDescriptor
      end

      classrelation 128693 // <aggregation>
	relation 128565 o---
	  a role_name "" multiplicity "" protected
	    cpp default "    ${comment}${static}${mutable}${volatile}${const}${type} * ${name}${value};
"
	    classrelation_ref 128693 // <aggregation>
	  b role_name "" multiplicity "" protected
	    cpp default "    ${comment}${static}${mutable}${volatile}${const}${type} * ${name}${value};
"
	    classrelation_ref 128821 // <aggregation>
      end

      classrelation 128949 // <directional aggregation>
	relation 128693 o-->
	  a role_name "" multiplicity "" protected
	    cpp default "    ${comment}${static}${mutable}${volatile}${const}${type} * ${name}${value};
"
	    classrelation_ref 128949 // <directional aggregation>
	  b multiplicity "" parent class_ref 128949 // FrameDescriptor
      end

      classrelation 129077 // <directional aggregation>
	relation 128821 o-->
	  a role_name "" multiplicity "" protected
	    cpp default "    ${comment}${static}${mutable}${volatile}${const}${type} * ${name}${value};
"
	    classrelation_ref 129077 // <directional aggregation>
	  b multiplicity "" parent class_ref 128949 // FrameDescriptor
      end

      classrelation 128481 // descriptor (<directional aggregation>)
	relation 128353 o-->
	  a role_name "descriptor" multiplicity "" protected
	    cpp default "    ${comment}${static}${mutable}${volatile}${const}${type} * ${name}${value};
"
	    classrelation_ref 128481 // descriptor (<directional aggregation>)
	  b multiplicity "" parent class_ref 128949 // FrameDescriptor
      end

      classrelation 129249 // mapping (<unidirectional association>)
	relation 128865 --->
	  a role_name "mapping" multiplicity "1" private
	    comment "Frames are a continous sequence in a mapping"
	    cpp default "    ${comment}${static}${mutable}${volatile}${const}${type} * ${name}${value};
"
	    classrelation_ref 129249 // mapping (<unidirectional association>)
	  b multiplicity "" parent class_ref 128565 // FileMap
      end

      classrelation 129377 // <association>
	relation 128993 ----
	  a role_name "" multiplicity "" protected
	    cpp default "    ${comment}${static}${mutable}${volatile}${const}${type} * ${name}${value};
"
	    classrelation_ref 129377 // <association>
	  b role_name "" multiplicity "" protected
	    cpp default "    ${comment}${static}${mutable}${volatile}${const}${type} * ${name}${value};
"
	    classrelation_ref 129505 // <association>
      end

      classrelation 129889 // <aggregation>
	relation_ref 129249 // <aggregation>
      end
    end

    class 128949 "FrameDescriptor"
      visibility package stereotype "interface"
      cpp_decl "${comment}${template}class ${name}${inherit} {
${members}};
${inlines}
"
      java_decl "${comment}${@}${visibility}interface ${name}${extends} {
${members}}
"
      idl_decl "${comment}${abstract}${local}interface ${name}${inherit} {
${members}};
"
      explicit_switch_type ""
      
      comment "A FrameDescriptor implements the higher level interfaces for frames. Further refinements are made by subclassing and policy classes"
      classrelation 128821 // <aggregation>
	relation_ref 128565 // <aggregation>
      end
    end

    class 129077 "Prefetch"
      visibility package 
      cpp_decl "${comment}${template}class ${name}${inherit} {
${members}};
${inlines}
"
      java_decl ""
      idl_decl ""
      explicit_switch_type ""
      
    end

    class 129205 "Scheduler"
      visibility package 
      cpp_decl "${comment}${template}class ${name}${inherit} {
${members}};
${inlines}
"
      java_decl ""
      idl_decl ""
      explicit_switch_type ""
      
    end

    sequencediagram 128437 "QueryFrame"
      show_full_operations_definition default write_horizontally default drawing_language default draw_all_relations default shadow default
      size A4
    end

    class 129333 "FileProvider"
      visibility package 
      cpp_decl "${comment}${template}class ${name}${inherit} {
${members}};
${inlines}
"
      java_decl ""
      idl_decl ""
      explicit_switch_type ""
      
      comment "This is the Factory for Files, whenever something wants to use some file (or temporary storage), This Factory will hand out some smart/shared pointer to a File object which will be used to retrieve Frames."
    end

    class 128225 "FrameReference"
      visibility package 
      cpp_decl "${comment}${template}class ${name}${inherit} {
${members}};
${inlines}
"
      java_decl ""
      idl_decl ""
      explicit_switch_type ""
      
      classrelation 129761 // frame (<aggregation>)
	relation 129249 o---
	  a role_name "frame" multiplicity "0..1" protected
	    comment "maybe weak reference"
	    cpp default "    ${comment}${static}${mutable}${volatile}${const}${type} * ${name}${value};
"
	    classrelation_ref 129761 // frame (<aggregation>)
	  b role_name "" multiplicity "" protected
	    cpp default "    ${comment}${static}${mutable}${volatile}${const}${type} * ${name}${value};
"
	    classrelation_ref 129889 // <aggregation>
      end
    end
  end
end