存取控管的管理(編輯修改稿)
2025-01-24 03:13 本頁面
【文章內(nèi)容簡介】 t重作索引 系統(tǒng)設(shè)計(jì) 13 物件遷移及複製 – Collection Object重新索引 每個(gè) Collection Object的索引表都是獨(dú)立 若將整個(gè) Collection Object遷移及複製至目的端，不需重作索引即可查詢 系統(tǒng)設(shè)計(jì) 14 物件遷移及複製 – API 遷移及複製 XML Object ? exportXO(sourceCO,sourceXO,Dest_IP,Dest_Port,Dest_group,Dest_user,Dest_password,DestCO) 遷移及複製 Collection Object ? exportCO(sourceCO,Dest_IP,Dest_Port,Dest_group,Dest_user,Dest_password,NewCO) 15 System metadata in XML Object ID : Unique ID for XML Object Owner : The user who crated the object is the owner OwnerGroup : The group who sharing this object ACL : Access Control List (like Unix System) ModifyTime Reference : How many times this file been read. OXDSIP : The server IP this object existed Schema : The schema this object obey. 16 Collection Object A container to anized XML Objects based on one Schema. 17 Collection Object XML Objects Index tables for this collection ? one for each index element XML Schema file (standard) Access Path Table ? a data structure to extend Schema Collection Object’ s meta info 18 Access Path Table 19 Meta info in Collection Object Schema Owner OwnerGroup ACL (Access Control List) No. of bucket for hashing 20 Important issues in XDS Schema Changing Pluggable Portable Document (API and Protocol) 21 Implementation issues Tools, clearing garbage in XDS Avoiding dangling pointer Execution path return error code Response to user in proper time( not have to wait until been finished) 22 Xindice– Apache XML Project Collection XPath的查詢語言 XML的索引 支援 XML:
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