SmallMap
A simple hash table with an optimization for the last recently used object.
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SmallMap(int maxElements)
Create a map with the given maximum number of entries.
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SmallMap(int maxElements)
Create a map with the given maximum number of entries.
Parameters:
maxElements - the maximum number of entries
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| int |
addObject(int id, Object o)
Add an object to the map.
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| int |
addObject(int id, Object o)
Add an object to the map. If the size of the map is larger than twice the
maximum size, objects with a low id are removed.
Parameters:
id - the object id
o - the object
Returns:
the id
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| void |
freeObject(int id)
Remove an object from the map.
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| void |
freeObject(int id)
Remove an object from the map.
Parameters:
id - the id of the object to remove
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| Object |
getObject(int id, boolean ifAvailable)
Get an object from the map if it is stored.
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| Object |
getObject(int id, boolean ifAvailable)
Get an object from the map if it is stored.
Parameters:
id - the id of the object
ifAvailable - only return it if available, otherwise return null
Returns:
the object or null
Throws:
DbException - if isAvailable is false and the object has not been
found
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