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Old 11-03-2006, 03:46 AM   #1
Registered: Feb 2004
Location: Athens, Greece
Distribution: Gentoo,FreeBSD, Debian
Posts: 705

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in-memory hashtable with values, which are db records pointers

i mentioned to somebody, refering to a project using Java and java-db4, that i wanted to use a WeakHashMap and that in order to maximize the ability to store objects i would use java-db4 in conjuction with it. To be more exact, all objects will be stored in a db. The caller will first look in the WeakHashMap and then -if the entry doesn't exist there or has been discarded- will look for it in the db and insert it in the WeakHashMap.
However, he proposed something like "inserting pointers as values in HashMap, which i would implement" and using "multidimensional indexing".
Can anybody explain better or post some relevent links? Cannnot find anything relevant.



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