Use of thread-local storage to propagate application context in Java 2 enterprise edition (J2EE) applications
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United States of America Patent
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Feb 17, 2009
Grant Date -
Feb 17, 2005
app pub date -
Aug 12, 2003
filing date -
Aug 12, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a J2EE application server, a method of passing context information among transactions in a hierarchical parent-child transaction chain executing in a single thread of execution. The method comprises generating a correlator corresponding to a top level transaction spawning a plurality of child transactions in the parent-child transaction chain. The correlator is stored in a Java thread local (JTL) stack associated with the thread of execution. For each child transaction, the JTL stack is referenced to access a correlator associated with a parent of the child transaction. The method further comprises utilizing context information provided by said parent correlator to generate a correlator for said child transaction.
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