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casting a Arraylist

Posted on 2011-09-19
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Last Modified: 2012-05-12
I am calling a ArrayList from a different class.  Once I get the ArrayList in this class, I want to cast it to a TCComponentItemRevision

Here is the constructor
 public SelectedTModel() {
      super();
     ArrayList<RevDataset> aList = EdiSelection.rds;
}

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Then I am using the ArrayList in a method
 public void getListValues(int row, int column, ArrayList <RevDataset> aList) throws TCException {

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But I need to cast the ArrayList to  TCComponentItemRevision
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Question by:jkteater
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Accepted Solution

by:
for_yan earned 75 total points
ID: 36561964
Waht you meant by casting ArryList?

You iterate through ArrayList and retrieve its ellemnts of type RevDataset
and then get from these elements using their get methods each of their compounents which are TCCiomponent isf I rememeber correctly
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Expert Comment

by:for_yan
ID: 36561974
Waht type expects your method in that third position ?
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Assisted Solution

by:gurvinder372
gurvinder372 earned 50 total points
ID: 36562000
you can only cast it to TCComponentItemRevision if ArrayList is extending that class or implementation, otherwise you need to loop through the list elements and then convert it one by one
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LVL 47

Expert Comment

by:for_yan
ID: 36562033
Theis method probably expects only one elemnt of your ArrayList and even maybe one part of it,
as the elements are the objects whiach are made up of two fileds, if I am not mistaken.

Show what is within that method  and we'll try to figure out
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Author Comment

by:jkteater
ID: 36562082
I went back to where I was creating the ArrayList and cast it there - So I am going to split the points - thanks for the quick response
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