ozeigermann 2005/01/08 11:48:31 Modified: transaction RELEASE-NOTES.txt Log: Adjusted release notes to current status Revision Changes Path 1.10 +16 -7 jakarta-commons/transaction/RELEASE-NOTES.txt Index: RELEASE-NOTES.txt =================================================================== RCS file: /home/cvs/jakarta-commons/transaction/RELEASE-NOTES.txt,v retrieving revision 1.9 retrieving revision 1.10 diff -u -r1.9 -r1.10 --- RELEASE-NOTES.txt 7 Jan 2005 13:32:33 -0000 1.9 +++ RELEASE-NOTES.txt 8 Jan 2005 19:48:31 -0000 1.10 @@ -21,15 +21,23 @@ This is the first beta of the Commons Transaction 1.1 feature release. -Commons Transaction 1.1 aims at polishing (interface) oddities, improve -locking and make the file store more flexible. +Commons Transaction 1.1 aims at polishing (interface) oddities, improving +locking and making the file store more flexible. Locking now is much more +flexible, extensible and allows for rudimentary transaction management. There +is a new lock manager hides locks from the user and keeps track of all of them +allowing for deadlock detection and more convenient management. ENHANCEMENTS FROM 1.0 --------------------- Locking: -- Extended and less excentric lock manager - +- Extended and less excentric lock manager interface LockManager2 +- Extended multi level lock interface MultiLevelLock2 +- GenericLock and GenericLockManager now implement new interfaces as well +- GenericLock and GenericLockManager offer much better inspection with toString +- GenericLock offers (protected) means for waiter management and opens + possibility for fair strategies to subclasses + File: - Confiburable resource id to path mapping @@ -38,9 +46,10 @@ Locking: - new ReadWriteLockManager for most intuitive read/write lock usage -- new read/write/upgrade locking mechanism +- new read/write/upgrade locking mechanism (ReadWriteUpgradeLock, ReadWriteUpgradeLockManager) - Deadlock detection for all lock managers, file store, and pessimistic map -- Flexible preference locking mechanism +- Flexible preference locking mechanism +- Global transaction timeouts that actively revoke granted rights from transactions MINOR INCOMPATIBILITIES TO 1.0 ----------------------------------------- @@ -54,4 +63,4 @@ KNOWN ISSUES ------------ -none +- Deadlock detection rarely determines more than one thread as a deadlock victim
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