Optimize GetNodeMetadata #1392
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Optimize GetNodeMetadata #1392
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mrsuciu
commented
May 4, 2021
mrsuciu
commented
- Reduce number of callback hits on reading attributes
- Reduce number of reads to underlying data sources for unused attributes
- Use temporary cache to avoid multiple attribute read calls
- Optimize GetNodeMetadata calls for Read service calls
- Minor API change: INodeManager.GetNodeMetadata signature update
…olePermission attributes when specified; All service calls use only these attributes on validating AccessRestrictions and RolePermissions. Read and Browse services also cache the values for avoiding unecessary calls.
…OnlyValidationAttributes into permitionsOnly
… attribute value cache on Browse service
mregen
approved these changes
May 4, 2021
| object targetHandle, | ||
| BrowseResultMask resultMask, | ||
| Dictionary<NodeId, List<object>> uniqueNodesServiceAttributes = null, | ||
| bool permissionsOnly = false) | ||
| { |
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is there really no issue changing the signature, e.g. with compiled code? In the past I see there was a INodeManager2 added with additional functions. same could be done here with a GetNodeMetaData2 with more parameters in a INodeManager3?
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for compat it might also be etter to add the 5 parm function separately and not use the defaults. Maybe add it in INodeManager2 only?
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INodeManager2 now contains the 5 param function GetPermissionsMetadata which handles the optimizations and GetNodeMetadata is left as is.
…ptimized retrieval if necessary and reverted changes to INodeManager.GetNodeMetadata implementation; Fixed missing summary and typeo's
AlinMoldovean
approved these changes
May 5, 2021
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