這里的云指FaaS，Fiori-as-a-Service

After I log on HCP via my own user, I could see many tiles:
https://fiorilaunchpad-xe84733bd.dispatcher.neo.ondemand.com/sap/hana/uis/clients/ushell-app/shells/fiori/FioriLaunchpad.html

我很好奇這些tile的數(shù)據(jù)源是什么，于是研究了一下。

Here below is my research result.

The tile information is fetched via restful service observed in network tab:

It is a json stream, use list a small part of it here:

{"ID": "70c4b7f1-5579-4517-bc09-e7231f5add96-1426085327112","packageID": "","objectName": "","type": "chips.tiles.applauncherdynamic.DynamicTile","templateProperties": [{"key": "navigation_target_url","value": "#flp-runApp?html5App=cuscrmopportunity&SAPUI5.Component=cus.crm.opportunity&url=/"},{"key": "formFactor","value": "{\"desktop\":true,\"tablet\":true,\"phone\":true}"},{"key": "service_url","value": "/sap/opu/odata/sap/CRM_OPPORTUNITY/Opportunities/$count"},{"key": "sap.hana.uis.flp.app.intentSemanticObject","value": ""},{"key": "sap.hana.uis.flp.app.intentAction","value": ""},{"key": "navigation_component_url","value": "/"},{"key": "service_refresh_interval","value": "300"},{"key": "navigation_component_name","value": "cus.crm.opportunity"},{"key": "allow_unknown_parameters","value": "true"},{"key": "tile_size","value": "1x1"},{"key": "html5_application_name","value": "cuscrmopportunity"},{"key": "sap.hana.uis.flp.app.type","value": "SAP_UI5_Component"},{"key": "display_icon_url","value": "sap-icon://Fiori2/F0012"},{"key": "display_title_text","value": "My Opportunities"}]},

The restful service is implemented via consumption_service, whose source code could be found in HANA studio.

The call will delegate to FIORI_DAO:

FIORI_DAO is a subclass of WORKSPACE_DAO:

And workspace DAO just issue the query to HANA database via call getResultSet():

Finally the HANA procedure GET_APPSITE will be called:

Inside the procedure we can know the tile information in HANA HCP is retrieved based on the union of the two HANA tables below:

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總結(jié)

以上是生活随笔為你收集整理的部署在云上的Fiori launchpad，其tile信息是从哪里取出来的的全部內(nèi)容，希望文章能夠幫你解決所遇到的問題。

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