jsonommit.md

クライアント・サーバ間の高速化-画面情報JSONの省略化

• ginbeeではクライアント・サーバ間の通信にJSON形式を使用している。
• 画面のウィジェットの各項目の値をJSONにしているが、各項目が空白文字列であることが多い。
  • 空白文字列や0などの値をデフォルト値として省略するとJSONのサイズを大幅に小さくできる。
    • 通信量が減るので高速化できる。
    • まだ実装してないので予想でしかありませんが100ms前後の高速化が期待できそう。
• クライアント側で省略項目を認識してデフォルト値に展開しないといけない。
  • 今月中くらいはかかりそう。

K02(診療行為入力画面)の省略前(98474byte)

{"title":"","popup_summary":"","popup_body":"","popup_icon":"","popup_timeout":0,
"fixed2":{"PTNUM":{"textdata":""},"KANANAME":{"style":"","textdata":""},"NAME":{"style":"","textdata":""},"BIRTHDAY":{"textdata":""},"SEX":{"textdata":""},"RATE":{"textdata":""},"LASTYMD":{"textdata":""},"SYOSINYMD":{"textdata":""},"MISYUMONEY":{"textdata":""},"SRYYMD":{"textdata":""},"GOKEITEN":{"textdata":""},"NENREI":{"textdata":""},"ZAITENTOTAL":{"textdata":""},"INGAI":{"isactive":false,"label":""},"DOSELNUM":{"textdata":""},"TEISEI":{"isactive":false,"label":""},"HKNCOMBICOMB":{"HKNCOMBI":{"textdata":""},"count":0,"item":["","","","","","","","","","","","","","",""]},"CONTKBN":{"style":"","textdata":""},"MODE":{"textdata":""},"SRYKACOMB":{"SRYKA":{"textdata":""},"count":0,"item":["","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","",""]},"TABOOCOB":{"TABOO":{"textdata":""},"count":0,"item":["","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","",""]},"SYORIMEI":{"style":"","textdata":""},"scrolledwindow1":{"RRKLIST":{"count":0,"row":0,"rowattr":0,"item":[{"column1":"","column2":"","column3":"","column4":""},{"column1":"","column2":"","column3":"","column4":""},{"column1":"","column2":"","column3":"","column4":""},{"column1":"","column2":"","column3":"","column4":""},{"column1":"","column2":"","column3":"","column4":""},{"column1":"","column2":"","column3":"","column4":""},{"column1":"","column2":"","column3":"","column4":""},{"column1":"","column2":"","column3":"","column4":""}

... 以下略

省略後(4355byte ただしこれは全項目が空白の理想条件なので実際はもう少し多くなる。)

{"fixed2":{"INGAI":{"isactive":false},"TEISEI":{"isactive":false},"HKNCOMBICOMB":{"item":["","","","","","","","","","","","","","",""]},"SRYKACOMB":{"item":["","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","",""]},"TABOOCOB":{"item":["","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","",""]},"scrolledwindow1":{"RRKLIST":{"item":[{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{}],"selectdata":[false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false,false]}},"scrolledwindow2":{"BYOMEILST":{"item":[{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{}],"selectdata"

... 以下略