Observer Pattern: Avoiding bad re-entrant behavior?

Observer Pattern: Avoiding bad re-entrant behavior?

References

Reference NO 1

http://stackoverflow.com/questions/15189722/observer-pattern-avoiding-bad-re-entrant-behavior

Reference NO 2

http://stackoverflow.com/questions/6547428/observer-pattern-how-to-handle-unexpected-changes

Reference NO 3

http://stackoverflow.com/questions/2464596/how-to-avoid-infinite-loop-in-observer-pattern

Reference NO 4

http://stackoverflow.com/questions/5190663/how-would-one-go-about-debugging-a-system-that-extensively-uses-the-observer-pat

Reference NO 5

http://lambda-the-ultimate.org/node/4028

Reference NO 6

http://www.cs.toronto.edu/~matz/instruct/csc407/lectures/09aBehavioral-4.pdf

Reference NO 7

http://alanstorm.com/magento_listener_lifecycle_block

Reference NO 8

#EANF#