Äcdocutils.nodes document q)Åq}q(U nametypesq}q(X���member node tiersqNX���proposal for api refactoringqNuUsubstitution_defsq}q Uparse_messagesq ]qUcurrent_sourceqNU decorationq NUautofootnote_startqKUnameidsq}q(hUmember-node-tiersqhUproposal-for-api-refactoringquUchildrenq]qcdocutils.nodes section q)Åq}q(U rawsourceqU�UparentqhUsourceqXj���/var/lib/jenkins/jobs/API_Documentation_trunk/workspace/api-documentation/source/notes/api_refactoring.txtqUtagnameqUsectionqU attributesq}q(Udupnamesq ]Uclassesq!]Ubackrefsq"]Uidsq#]q$haUnamesq%]q&hauUlineq'KUdocumentq(hh]q)(cdocutils.nodes title q*)Åq+}q,(hX���Proposal for API Refactoringq-hhhhhUtitleq.h}q/(h ]h!]h"]h#]h%]uh'Kh(hh]q0cdocutils.nodes Text q1X���Proposal for API Refactoringq2ÖÅq3}q4(hh-hh+ubaubcdocutils.nodes paragraph q5)Åq6}q7(hX��The DataONE service APIs currently contain methods that are grouped by the general category of functionality provided. For example, the CRUD API contains methods that support create, read, update, and delete operations against the Member Nodes. Such a grouping is convenient for development activities, however does not relate well to the overall functionality that must be expressed by a Member Node to participate at different "tiers" within the DataONE federation. A particular MN might operate in a read-only manner and so must express only a small selection of methods pulled from several different APIs as they are currently defined.q8hhhhhU paragraphq9h}q:(h ]h!]h"]h#]h%]uh'Kh(hh]q;h1X��The DataONE service APIs currently contain methods that are grouped by the general category of functionality provided. For example, the CRUD API contains methods that support create, read, update, and delete operations against the Member Nodes. Such a grouping is convenient for development activities, however does not relate well to the overall functionality that must be expressed by a Member Node to participate at different "tiers" within the DataONE federation. A particular MN might operate in a read-only manner and so must express only a small selection of methods pulled from several different APIs as they are currently defined.q<ÖÅq=}q>(hh8hh6ubaubh5)Åq?}q@(hX+��Further complicating the division of methods between APIs is the need to support versioning of services. Current versioning operates across the entire set of APIs and thus requires that a service implements all methods of a single version. A more granular approach would versioning at the API level, so that in many cases (where there are no inter-dependencies) it will be possible to update a set of methods without affecting other methods, and so service update on a particular node can be more progressive, and so less disruptive to ongoing operations.qAhhhhhh9h}qB(h ]h!]h"]h#]h%]uh'Kh(hh]qCh1X+��Further complicating the division of methods between APIs is the need to support versioning of services. Current versioning operates across the entire set of APIs and thus requires that a service implements all methods of a single version. A more granular approach would versioning at the API level, so that in many cases (where there are no inter-dependencies) it will be possible to update a set of methods without affecting other methods, and so service update on a particular node can be more progressive, and so less disruptive to ongoing operations.qDÖÅqE}qF(hhAhh?ubaubh5)ÅqG}qH(hX§��Grouping the methods into API definitions more aligned with the functionality that should be exposed by different classes or tiers of nodes should also simplify the overall process of node service updates since the entire group of methods can be updated rather than working with methods pulled from different method groups of different versions to define the service that must be implemented by a particular Member Node.qIhhhhhh9h}qJ(h ]h!]h"]h#]h%]uh'Kh(hh]qKh1X§��Grouping the methods into API definitions more aligned with the functionality that should be exposed by different classes or tiers of nodes should also simplify the overall process of node service updates since the entire group of methods can be updated rather than working with methods pulled from different method groups of different versions to define the service that must be implemented by a particular Member Node.qLÖÅqM}qN(hhIhhGubaubh5)ÅqO}qP(hX£���This document outlines a strategy for refactoring the APIs to better align with the tiers of Member Nodes that are likely to participate in the DataONE federation.qQhhhhhh9h}qR(h ]h!]h"]h#]h%]uh'Kh(hh]qSh1X£���This document outlines a strategy for refactoring the APIs to better align with the tiers of Member Nodes that are likely to participate in the DataONE federation.qTÖÅqU}qV(hhQhhOubaubh)ÅqW}qX(hU�hhhhhhh}qY(h ]h!]h"]h#]qZhah%]q[hauh'K$h(hh]q\(h*)Åq]}q^(hX���Member Node Tiersq_hhWhhhh.h}q`(h ]h!]h"]h#]h%]uh'K$h(hh]qah1X���Member Node TiersqbÖÅqc}qd(hh_hh]ubaubh5)Åqe}qf(hXG���Five tiers of Member Node functionality have currently been identified:qghhWhhhh9h}qh(h ]h!]h"]h#]h%]uh'K&h(hh]qih1XG���Five tiers of Member Node functionality have currently been identified:qjÖÅqk}ql(hhghheubaubcdocutils.nodes field_list qm)Åqn}qo(hU�hhWhhhU field_listqph}qq(h ]h!]h"]h#]h%]uh'K(h(hh]qr(cdocutils.nodes field qs)Åqt}qu(hU�hhnhhhUfieldqvh}qw(h ]h!]h"]h#]h%]uh'K(h(hh]qx(cdocutils.nodes field_name qy)Åqz}q{(hX���Tier 1q|hhthhhU field_nameq}h}q~(h ]h!]h"]h#]h%]uh'K�h]qh1X���Tier 1qÄÖÅqÅ}qÇ(hh|hhzubaubcdocutils.nodes field_body qÉ)ÅqÑ}qÖ(hX���Public read, no Authn/AuthzqÜh}qá(h ]h!]h"]h#]h%]uhhth]qàh5)Åqâ}qä(hhÜhhÑhhhh9h}qã(h ]h!]h"]h#]h%]uh'K(h]qåh1X���Public read, no Authn/AuthzqçÖÅqé}qè(hhÜhhâubaubahU field_bodyqêubeubhs)Åqë}qí(hU�hhnhhhhvh}qì(h ]h!]h"]h#]h%]uh'K)h(hh]qî(hy)Åqï}qñ(hX���Tier 2qóhhëhhhh}h}qò(h ]h!]h"]h#]h%]uh'K�h]qôh1X���Tier 2qöÖÅqõ}qú(hhóhhïubaubhÉ)Åqù}qû(hX���Read/Resolve with Authn/Authzqüh}q†(h ]h!]h"]h#]h%]uhhëh]q°h5)Åq¢}q£(hhühhùhhhh9h}q§(h ]h!]h"]h#]h%]uh'K)h]q•h1X���Read/Resolve with Authn/Authzq¶ÖÅqß}q®(hhühh¢ubaubahhêubeubhs)Åq©}q™(hU�hhnhhhhvh}q´(h ]h!]h"]h#]h%]uh'K*h(hh]q¨(hy)Åq≠}qÆ(hX���Tier 3qØhh©hhhh}h}q∞(h ]h!]h"]h#]h%]uh'K�h]q±h1X���Tier 3q≤ÖÅq≥}q¥(hhØhh≠ubaubhÉ)Åqµ}q∂(hXG���Write (create, update, delete), possibly limited support for data typesq∑h}q∏(h ]h!]h"]h#]h%]uhh©h]qπh5)Åq∫}qª(hh∑hhµhhhh9h}qº(h ]h!]h"]h#]h%]uh'K*h]qΩh1XG���Write (create, update, delete), possibly limited support for data typesqæÖÅqø}q¿(hh∑hh∫ubaubahhêubeubhs)Åq¡}q¬(hU�hhnhhhhvh}q√(h ]h!]h"]h#]h%]uh'K+h(hh]qƒ(hy)Åq≈}q∆(hX���Tier 4q«hh¡hhhh}h}q»(h ]h!]h"]h#]h%]uh'K�h]q…h1X���Tier 4q ÖÅqÀ}qÃ(hh«hh≈ubaubhÉ)ÅqÕ}qŒ(hX1���Limited Replication target (specified data types)qœh}q–(h ]h!]h"]h#]h%]uhh¡h]q—h5)Åq“}q”(hhœhhÕhhhh9h}q‘(h ]h!]h"]h#]h%]uh'K+h]q’h1X1���Limited Replication target (specified data types)q÷ÖÅq◊}qÿ(hhœhh“ubaubahhêubeubhs)ÅqŸ}q⁄(hU�hhnhhhhvh}q€(h ]h!]h"]h#]h%]uh'K,h(hh]q‹(hy)Åq›}qfi(hX���Tier 5qflhhŸhhhh}h}q‡(h ]h!]h"]h#]h%]uh'K�h]q·h1X���Tier 5q‚ÖÅq„}q‰(hhflhh›ubaubhÉ)ÅqÂ}qÊ(hX#���Replication target, any data types h}qÁ(h ]h!]h"]h#]h%]uhhŸh]qËh5)ÅqÈ}qÍ(hX"���Replication target, any data typesqÎhhÂhhhh9h}qÏ(h ]h!]h"]h#]h%]uh'K,h]qÌh1X"���Replication target, any data typesqÓÖÅqÔ}q(hhÎhhÈubaubahhêubeubeubh5)ÅqÒ}qÚ(hXM���The methods that must be supported by each of these are indicated in Table 1.qÛhhWhhhh9h}qÙ(h ]h!]h"]h#]h%]uh'K.h(hh]qıh1XM���The methods that must be supported by each of these are indicated in Table 1.qˆÖÅq˜}q¯(hhÛhhÒubaubcdocutils.nodes table q˘)Åq˙}q˚(hU�hhWhNhUtableq¸h}q˝(h ]h!]h"]h#]q˛Uid1qˇah%]uh'Nh(hh]r���(h*)År��}r��(hX���**Table 1.** DataONE service methods supported at different tiers of Member Node functionality. (*)Authentication and Authorization APIs are under active development and may change from the specifications listed here.h}r��(h ]h!]h"]h#]h%]uhh˙h]r��(cdocutils.nodes strong r��)År��}r��(hX���**Table 1.**h}r��(h ]h!]h"]h#]h%]uhj��h]r ��h1X���Table 1.r ��ÖÅr��}r��(hU�hj��ubahUstrongr ��ubh1XÙ��� DataONE service methods supported at different tiers of Member Node functionality. (*)Authentication and Authorization APIs are under active development and may change from the specifications listed here.r��ÖÅr��}r��(hXÙ��� DataONE service methods supported at different tiers of Member Node functionality. (*)Authentication and Authorization APIs are under active development and may change from the specifications listed here.hj��ubehh.ubcdocutils.nodes tgroup r��)År��}r��(hU�h}r��(h#]h"]h ]h!]h%]UcolsKuhh˙h]r��(cdocutils.nodes colspec r��)År��}r��(hU�h}r��(h#]h"]h ]h!]h%]UcolwidthKuhj��h]hUcolspecr��ubj��)År��}r��(hU�h}r��(h#]h"]h ]h!]h%]UcolwidthKuhj��h]hj��ubj��)År��}r��(hU�h}r ��(h#]h"]h ]h!]h%]UcolwidthKuhj��h]hj��ubj��)År!��}r"��(hU�h}r#��(h#]h"]h ]h!]h%]UcolwidthK uhj��h]hj��ubcdocutils.nodes thead r$��)År%��}r&��(hU�h}r'��(h ]h!]h"]h#]h%]uhj��h]r(��cdocutils.nodes row r)��)År*��}r+��(hU�h}r,��(h ]h!]h"]h#]h%]uhj%��h]r-��(cdocutils.nodes entry r.��)År/��}r0��(hU�h}r1��(h ]h!]h"]h#]h%]uhj*��h]r2��h5)År3��}r4��(hX���Tierr5��hj/��hhhh9h}r6��(h ]h!]h"]h#]h%]uh'K8h]r7��h1X���Tierr8��ÖÅr9��}r:��(hj5��hj3��ubaubahUentryr;��ubj.��)År<��}r=��(hU�h}r>��(h ]h!]h"]h#]h%]uhj*��h]r?��h5)År@��}rA��(hX ���Existing APIsrB��hj<��hhhh9h}rC��(h ]h!]h"]h#]h%]uh'K9h]rD��h1X ���Existing 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MN_healthr¥��ÖÅrµ��}r∂��(hj±��hjØ��ubaubahj;��ubj.��)År∑��}r∏��(hU�h}rπ��(h ]h!]h"]h#]h%]uhjõ��h]r∫��h5)Årª��}rº��(hX���MN_readrΩ��hj∑��hhhh9h}ræ��(h ]h!]h"]h#]h%]uh'KCh]rø��h1X���MN_readr¿��ÖÅr¡��}r¬��(hjΩ��hjª��ubaubahj;��ubj.��)År√��}rƒ��(hU�h}r≈��(h ]h!]h"]h#]h%]uhjõ��h]r∆��h5)År«��}r»��(hXQ���get, getSystemMetadata, listObjects, describe, getChecksum, synchronizationFailedr…��hj√��hhhh9h}r ��(h ]h!]h"]h#]h%]uh'KDh]rÀ��h1XQ���get, getSystemMetadata, listObjects, describe, getChecksum, synchronizationFailedrÃ��ÖÅrÕ��}rŒ��(hj…��hj«��ubaubahj;��ubehj`��ubj)��)Årœ��}r–��(hU�h}r—��(h ]h!]h"]h#]h%]uhjc��h]r“��(j.��)År”��}r‘��(hU�h}r’��(h ]h!]h"]h#]h%]uhjœ��h]r÷��h5)År◊��}rÿ��(hX���Tier 2rŸ��hj”��hhhh9h}r⁄��(h ]h!]h"]h#]h%]uh'KFh]r€��h1X���Tier 2r‹��ÖÅr›��}rfi��(hjŸ��hj◊��ubaubahj;��ubj.��)Årfl��}r‡��(hU�h}r·��(h ]h!]h"]h#]h%]uhjœ��h]r‚��h5)År„��}r‰��(hX#���MN_authorization, MN_authenticationrÂ��hjfl��hhhh9h}rÊ��(h ]h!]h"]h#]h%]uh'KGh]rÁ��h1X#���MN_authorization, 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