Re: Sorting question
Re: Sorting question
- Subject: Re: Sorting question
- From: James Cicenia <email@hidden>
- Date: Wed, 22 Sep 2004 12:42:51 -0500
ah yes the wonders of KVC. I knew there was a webobjects solution to
this
problem. And yes it would have used less code... ;-)
-James
On Sep 22, 2004, at 12:27 PM, Jonathan 'Wolf' Rentzsch wrote:
James Cicenia, email@hidden, wrote:
I thought that EOSortOrderings were just for EOs.
It works fine with anything that supports KVC:
public static void main(String argv[]) {
NSDictionary a = new NSDictionary( "Alice", "name" );
NSDictionary b = new NSDictionary( "Bob", "name" );
NSDictionary c = new NSDictionary( "Carl", "name" );
NSArray unsorted = new NSArray( new Object[]{a,c,b} );
System.out.println( "unsorted: "+unsorted );
EOSortOrdering ascending = EOSortOrdering.sortOrderingWithKey("name",
EOSortOrdering.CompareAscending);
NSArray sortedAscending =
EOSortOrdering.sortedArrayUsingKeyOrderArray(
unsorted, new NSArray( ascending ) );
System.out.println( "sortedAscending: "+sortedAscending );
EOSortOrdering descending =
EOSortOrdering.sortOrderingWithKey("name",
EOSortOrdering.CompareDescending);
NSArray sortedDescending =
EOSortOrdering.sortedArrayUsingKeyOrderArray( unsorted, new NSArray(
descending ) );
System.out.println( "sortedDescending: "+sortedDescending );
}
output:
unsorted: ({name = "Alice"; }, {name = "Carl"; }, {name = "Bob"; })
sortedAscending: ({name = "Alice"; }, {name = "Bob"; }, {name =
"Carl"; })
sortedDescending: ({name = "Carl"; }, {name = "Bob"; }, {name =
"Alice";
})
I just wound up
creating a simple
utility class with a compareTo in it. It works.
I'm sure it does. But my way's less code :-)
| Jonathan 'Wolf' Rentzsch http://rentzsch.com
| Red Shed Software http://redshed.net
| "better" necessarily means "different"
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