Kule veki sizakube sijonga iziseko zeCognos Mashup Service. Siza kuyaphula siye kumacandelo ayo ukuze sibone ukuba lizisa njani ixabiso kumxube we-IBM Cognos.
Ukuze usebenzise iCognos Mashup Service kufuneka umntu ahlangabezane nezi mfuno zisezantsi zilandelayo:
1. IBM Cognos BI Server 8.4.1
2. Umxhasi okwaziyo ukunxibelelana ne-SOAP okanye iinkonzo ezisekwe kwi-URL ngaphezulu kwe-HTTP
Ukudibana kweCognos kunye neNkonzo yeCognos Mashup inokufikeleleka ngesango leCognos
Ababhali Qaphela: Sebenzisa ilizwi lomdlali weqonga R. Lee Ermey (Gunny ovela I-Jacket Full Metal)
Kumanqaku ambalwa alandelayo ndiza kuba ngumyaleli wakho. Ungandibiza ngokuba "Drill Sergeant". Ndiza kukuqhekeza ubuyise ezantsi kwisanti ephantsi kwaye ndikwakhe ubuyele kwiinqununu zesilicon. Uya kushiya apha nezixhobo ozifunayo ukuze uphile edabini elaziwa ngokuba yiCognos Mashup Service. Uya kuba nakho ukwenza ikhowudi kwindlela yakho enobungozi bokubonakala kwendawo yesiqhelo. Uyakwazi ukwahlula umhlobo kulutshaba xa kufikwa kuyilo lweengcinga. Usenokuba ucinga ukuba uza kudityaniswa ngesithembiso seREST iinkonzo ezilula. Kodwa ayisiyiyo UMBULELO kamama wakho. Ndingayifumana i- “YES DRILL SERGEANT!”? Ngoku yehla undinike amashumi amabini!
Kulungile, mandikhe ndiyeke umlinganiswa ndikunike ngqo. Kule veki sizakube sijonga iziseko zeCognos Mashup Service. Siza kuyaphula siye kumacandelo ayo ukuze sibone ukuba lizisa njani ixabiso kumxube we-IBM Cognos.
Ukuze usebenzise iCognos Mashup Service kufuneka umntu ahlangabezane nezi mfuno zisezantsi zilandelayo:
1. IBM Cognos BI Server 8.4.1
2. Umxhasi okwaziyo ukunxibelelana ne-SOAP okanye iinkonzo ezisekwe kwi-URL ngaphezulu kwe-HTTP
Ukudibana kweCognos kunye neNkonzo yeCognos Mashup inokufikeleleka ngesango leCognos
Inkonzo yeCognos Mashup yenziwe ngamacandelo amabini ahlukeneyo asebenza ngokulandelelana ukuvumela abathengi ukuba baphule ingxelo ngaphandle kombukeli wengxelo nakwimiboniso yesiko. Inxalenye enye yenkonzo kukunxibelelana kwezothutho kwaye enye kukuhlawulwa komrhumo. Kumzobo ongezantsi sinokuthi siqwalasele isicelo njengothutho kunye nomphenduli njengomthwalo ohlawulwayo.
Unxibelelwano lwezothutho yindlela esinokuthi senze ngayo iingxelo. Zimbini iindlela onokukhetha kuzo kubasebenzisi. Inye isekwe kwi-SOAP kwaye enye isebenzisa REST style URLs. Zombini ezi zinto zinxibelelanayo zibaleka ngaphezulu kwe-HTTP kwaye ziyafana kubume. Oko kukuthi, kulungelelwaniso ngalunye olusebenzayo kwisitayile sohlobo lwe-SOAP kukho enye ehambelanayo nesitayile seREST. Eyona ndlela ichaziweyo ichaza ii-idiosyncrasies zesitayile esikhethiweyo sokucela. Kodwa eyona nto iphambili yile… isakhono sokungena, ukubiza ingxelo, ukufumana iziphumo, kunye nokuloga ngaphandle kuyafumaneka kuzo zombini iinkampu.
Ke unokuzibuza "ngokwakho, kutheni ndinokukhetha enye kwenye?" Rhoqo impendulo yale nto iyaziveza xa ujonga itekhnoloji yeprojekthi okanye iindibano. Thatha umzekelo womthengi ophuhliswe ngokupheleleyo kwicala lomthengi. Isebenzisa i-HTML kunye neJavaScript ukunxibelelana nenkonzo yeCognos Mashup. Kwisitshixo REST URL esekwe ujongano lunokumanyanisa ngokulula. Ngokwahlukileyo, enye iprojekthi inokuba nee-Cognos SDK ezikhoyo kwi-Java servlet. Baziqhelile ii-SOAP stubs ezivezwe yi-SDK. Iziva iyindalo kule meko ukuxhomekeka ekubeni ngumthengi osekwe nge-SOAP yeenkonzo ze-mashup. Ukuziqhelanisa oku khange kube lukhetho olunzima ukusilinganisela. Xa ujonga kwezi zigqibo zimbini kuhlala kubonakala kulunge ngakumbi xa ujonga isisombululo siphela. Imizamo yokusebenzisa enye inyanzelekile.
Imisebenzi enengqiqo ebonelelwa ngumbonakalo wothutho ivumela umthengi ukuba enze imisebenzi egxile ekusebenziseni iingxelo zeCognos kunye nohlalutyo. Iseti yokhetho ivumela umboleki ukuba ahambe umjikelo wobomi bonke wokuqhuba ingxelo. Oku kubandakanya:
Uqinisekiso
• Ukunikezelwa kweparameter
• Xela ukwenziwa kweNgxelo (ehambelanayo kunye ne-asynchronous)
• Ukuziphatha kwe-drill
• Ukufunyanwa kwemveliso
Inkonzo ye-mashup ikwabonelela ngezinye izinto ezingafumanekiyo nge-SDK. Nangona kunjalo, siza kuyigcina le ngxoxo kwinqaku elizayo ngokuthelekisa kunye nokuthelekisa inkonzo yeMashup ngokuchasene ne-SDK.
Ngoku sineendlela zokungenisa iingxelo ngokuseta iinkonzo ze-HTTP. Yintoni ephuma kwelinye icala? Oko kusikhokelela kwicandelo lesibini lenkonzo ye-mashup. Ngena… ”Umthwalo wentlawulo”.
Enye yeenketho esinokuyichaza xa sicela ingxelo ngenkonzo ye-mashup yifomathi yokuphuma. Kukho iindlela ezininzi ezikhoyo kubandakanya i-HTML Layout Data XML (LDX), kunye neJSON. Kukho ezinye ezimbalwa kodwa oku kugubungela ukubonwa kwe-abroad ingqiqo. I-HTML intle kakhulu into onokuyilindela. Zijongeka zifana kakhulu nento umntu anokuyifumana kwingxelo ejonge kumbukeli wengxelo ngaphakathi konxibelelwano lweCognos. Iifomathi ezithembisayo ngakumbi zi-LDX kunye neJSON. Ngapha koko ukuba kukho into ecacileyo yokubetha yiCognos Mashup Service kukwazisa ezi fomathi zimbini.
Zombini ezi fomati zivelisa iziphumo kwingxelo kwifomathi engathathi hlangothi. Oku kuvumela umthengi wokukhutshwa kwengxelo ukuba anikezele ngolwazi kuyo nayiphi na imbonakalo enokuthi iqonde iJSON okanye iXML. Thatha umzuzwana ukuyifunda kwakhona.
Idatha yengxelo ngoku ikhululiwe kwimixokelelwane ebekwe kuyo yiCognos Viewer. Idatha ngoku inokuhambahamba kwiindawo ezazingasebenzi ngaphambili. Umzekelo, iZicelo eziTyebileyo ze-Intanethi zinokusebenzisa izikhokelo ezinje ngeGoogle Visualization API okanye i-Ext-JS ukucola ukubonakaliswa kwedatha. Umdibaniso weselfowuni uyafikeleleka ngakumbi njengoko iziphumo zinokuhlengahlengiswa kwezi zixhobo. Idatha yeecognos inokucocwa ngedatha evela kwimithombo yangaphandle. Ngapha koko, idatha evela kwiCognos BI ibisandula ukubonwa, endle, ihamba ngedatha evela kwinkqubo edumileyo yolawulo lomxholo kwigridi efanayo ye-Ext-JS hayi ngaphantsi! Ihlazo! Ithetha ntoni le nto? Kule meko, ivumele zombini iiseti zedatha ukuba zilawulwe ngezixhobo zazo zendalo ngaphandle kwenkqubo enzima yokuyilahla ukuze ibamanyanise kwisikhangeli.
Apha ngezantsi kukho ukuthembeka okuphantsi okuntsonkothileyo ukubonisa imithombo yedatha eyahlukileyo ekwabelwana ngayo kwiphepha elinye.
Olu bhetyebhetye luza nee-tradeoffs ezithile. Kuba sikumisela ukunikezelwa kwedatha kwenye indawo yesicelo sidlulisela olunye uphuhliso ngokwesiqhelo olwenziwe ngumbhali wengxelo kumntu oyingcali kwitekhnoloji yokubona. Umzamo wokufaka idatha kwingxelo iya kwahluka ngokuthelekiswa nokubhalwa kweepikseli ingxelo egqibeleleyo kwizitudiyo zemveli zeCognos. Abacwangcisi beeprojekthi kufuneka baqonde isiphumo sokuba oku kunamaxesha ophuhliso. Umntu uya kufumanisa ukuba uqikelelo luchanekile ngakumbi xa eli candelo litsha labasebenzi lisamkelwa.
Ukwenza isishwankathelo ngesi siqwenga, Inkonzo yeCognos Mashup lulongezo olonwabisayo kwizixhobo ezikhoyo kumxube. Ivumela idatha ye-BI ukuba igqithele kwisitampu nje , iqulethe umbukeli wengxelo, kwiphepha le-HTML. Okwangoku, ixesha lisifundisile ukuba akukho nto isimahla. Ukuguquguquka kokubonisa idatha kuza ngeendleko zokuzisa iiseti zezakhono ezintsha kwiseti yokuseta. Vumela olu lwazi ludibanise okwethutyana. Kokungenayo okulandelayo kolu luhlu siza kungena kwiinkcukacha ezithe kratya ngokubhekisele ekusetyenzisweni kwemashup kunye nendlela ezigcina ngayo ezinye izisombululo.
