MATLAB BUILDER JA 2 Podręcznik Użytkownika Pobierz pdf (Strona 110)

4 Using MWArra y Classes

if (x != null)

x.dispose();

throw new MWException(e.getMessage());

}

This me tho d creates a n ew MWCellArray of the necessary size. Next, the

code loops over the number of elements in the supplied arrays. For each loop

iteration, a temporary

MWNumericArray, x, is created for the current cell and

initialized with the contents of

re[k-1] and im[k-1] (the loop variable, k,is

one-based). A shared copy of the temporary numeric array is then assigned to

the cell at

k using the set method.

Thenativeresourcesassociatedwith

x are freed when you call dispose.Ifan

exception i s thrown during the construction phase, the partially constructed

cell array and the temporary numeric array are disposed of, if necessary.

The exception is then rethrown as an

MWException. If everything goes well,

the

MWCellArray is returned.

Accessing MWCellArray Elements

The MWCellArray class provides methods for a ccessing and modifying array

data in the form of

get and set methods. The following table lists the get

and set methods.

Method Usage

get(int)

Returns the element at the one-based index as a Java

array (inherited f rom

MWArray).

get(int)

Returns the elem ent at the one-based index array as

a Jav a array (inherited from

MWArray).

getCell(int)

Returns the element at the one-based index as an

MWArray instance.

getCell(int[])

Returns the element at the one-based index array

as an

MWArray instance.

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