I will comment on the bug reports directly. However as a general question -
what is it that you are trying to work on? As user interface for filters? A DSL?
If you look in the gt-brewer module there is a FilterBuilder I created a while
back that I have not pushed into day to day use (mostly as it is part of a
larger style builder that is kicking me down). The design goal is to let you
hack away at a filter without all this immutable restrictions; and then will
create a filter at the end of the day. Load your filter into a FilterBuilder;
mess around with stuff; and then push out the modified result.
Here is an example with ExpressionBuilder:
ExpressionBuilder b = new ExpressionBuilder();
Expression e;
b.literal("hello world");
e = b.build();
or
e = b.literal().value(1).build()
Expressions that have child expressions are supported:
e = b.add().expr1().literal(1).expr2().literal(2).build())
Working with functions is a bit more silly
e = b.function("min").param().literal(1).param().literal(2).build()
It looks better on multiple lines..
So I am not saying this is ready to use; or even a good idea, but if you are
interested you are welcome to join me on hacking up this code in gt-brewer and
when it is ready we can add it to main.
--
Jody Garnett
On Thursday, 14 April 2011 at 2:57 AM, Eric Sword via SF wrote:
> Thanks for jumping on this so fast. I didn't expect it to shift into high
> gear so suddenly.
>
> Commented on the PrePostFilterVisitor issue
> (http://jira.codehaus.org/browse/GEOT-3514) and a minor point on the
> reasoning behind "isGroupFilter" and "isLogicFilter"
> (http://jira.codehaus.org/browse/GEOT-3512). I have to update and build
> trunk before I can look at what you did directly. I only have the 2.7.x
> branch up to date.
>
>
> --
> View this message in context:
> http://osgeo-org.1803224.n2.nabble.com/Fits-of-Filtering-Fun-tp6269330p6269800.html
> Sent from the geotools-devel mailing list archive at Nabble.com.
>
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