TMGDBSession Cache (V1.0 CB3 CB4 CB5 D2 D3 D4 D5) |
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名稱:TMGDBSession Cache
版本:V1.0
原始程式:有(Source)
適用:(CB3)(CB4)(CB5)(D2)(D3)(D4)(D5)
版權種類:免費軟體(Freeware)
作者:Martin Geier
說明:
TMGDBSessionCache caches database sessions along with a TDatabase component.
TMGDBSessionCache was written for 3-Tier database applications where
normally each new thread in the middle tier has to create a new session and
connect to the database. Connecting to the database, especially to SQL servers,
takes a certain amount of time. If an application constists of several remote
datamodules that each serve one client a lot of connecting/disconnecting
from the database is necessary.
MGDBSessionCache solves this problem by creating a certain amount of sessions along with TDatabase components attached to the sessions at program start. Threads can request a session from TMGDBSessionCache and will get the session name and the database name to be used in return. The returned session is already connected to the database and ready to use. When a thread has done its database jobs and no longer needs a session, the thread releases the session so TMGDBSessionCache can reuse it.
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