Possible Duplicate:
Storing MATLAB structs in Java objects
I'm currently using containers.Map to associate keys and values in MATLAB. However, quick tests show that this class is really slow compared to java.util.HashMap. The documentation does not specify the algorithmic complexity for storage and retrieval, so I'm scared it's not using a hash table, and I really need flat performance (O(1) insertion and retrieval).
I've been trying to convert my code using containers.Map to java.util.HashMap, but it doesn't work when I try to insert custom MATLAB class instances into the hash map. For instance, given the following class
classdef Bucket < handle
% ... application-specific code ...
end
I can't do this:
m = java.util.HashMap(); % association.
b = Bucket(); % class instance.
k = ...; % some relevant value for association.
m.put(k, b);
It fails with the error message:
??? No method 'put' with matching signature found for class 'java.util.HashMap'.
The exact same code works if I replace b with some non-custom class, such as:
b = 'foo';
m.put(k, b);
How can I store Bucket instances in a java.util.HashMap?
