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From "Sergio Bossa (JIRA)" <j...@apache.org>
Subject [jira] Created: (COLLECTIONS-270) Proposal for a new List implementation: BackedList
Date Mon, 08 Oct 2007 09:40:50 GMT
Proposal for a new List implementation: BackedList
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                 Key: COLLECTIONS-270
                 URL: https://issues.apache.org/jira/browse/COLLECTIONS-270
             Project: Commons Collections
          Issue Type: New Feature
          Components: List
    Affects Versions: 3.2
            Reporter: Sergio Bossa


Here is a new List implementation named BackedList, to use for transparently accessing values
of a generic data source as it were a normal List.
This List implementation dynamically accesses data source values through a proper strategy
object, keeping in memory only a limited, configurable, buffer of values.
So, it is useful for:
1) Providing a List-like view of different data source values.
2) Avoiding to pre-load all values in a standard list, providing better performances and less
memory consumption.

As a side note, this list implementation is already used in production for implementing pagination
over a relational data source.

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