Prioritized, incremental data retrieval from a database, with an event listener
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United States of America Patent
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Dec 20, 2016
Grant Date -
Nov 4, 2010
app pub date -
Apr 29, 2009
filing date -
Apr 29, 2009
priority date (Note) -
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Abstract
Systems, methods, computer program product embodiments for an active/push notification façade for a passive database are described herein. An embodiment includes an event listener configured to poll (or query) a passive database and selectively retrieve data objects based on the poll results. Such a selective database read operation may be based on the priority of an event occurring in the passive database. If events of a low priority occur, the event listener does not open the passive database immediately to retrieve additional information related to the low priority event but defers reading the passive database by a pre-determined amount of time. If a higher priority event occurs, the passive database is immediately read to retrieve details related to the high priority event from the passive database. In another embodiment, event listener reads the passive database based on event timestamp information in the passive database and stored timestamp information.
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