Examples of org.opengis.filter.Filter.accept()

org.opengis.filter.Filter.accept()
Accepts a visitor.
Implementations of all subinterfaces must have with a method whose content is the following:
```
return visitor. {@linkplain FilterVisitor#visit visit}(this, extraData);
```

        visitor = newVisitor(simpleLogicalCaps);


        Filter funtionFilter = createFunctionFilter();


        Filter not = ff.not(funtionFilter);
        not.accept(visitor, null);


        assertEquals(not, visitor.getFilterPost());
        assertEquals(Filter.INCLUDE, visitor.getFilterPre());


        simpleLogicalCaps.addName(testFunction.getName(), testFunction.getParameters().size());

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        assertEquals(Filter.INCLUDE, visitor.getFilterPre());


        simpleLogicalCaps.addName(testFunction.getName(), testFunction.getParameters().size());
        visitor = newVisitor(simpleLogicalCaps);


        not.accept(visitor, null);


        assertEquals(Filter.INCLUDE, visitor.getFilterPost());
        assertEquals(not, visitor.getFilterPre());
    }

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        Filter funtionFilter = createFunctionFilter();
        Filter geomFilter = ff.bbox(geomAtt, 10.0, 20.0, 10.0, 20.0, "");


        Filter orFilter = ff.or(funtionFilter, geomFilter);
        visitor = new CapabilitiesFilterSplitter(new Capabilities(), null, null);
        orFilter.accept(visitor, null);


        assertEquals(Filter.INCLUDE, visitor.getFilterPre());
        assertEquals(orFilter, visitor.getFilterPost());


        visitor = new CapabilitiesFilterSplitter(simpleLogicalCaps, null, null);

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        assertEquals(Filter.INCLUDE, visitor.getFilterPre());
        assertEquals(orFilter, visitor.getFilterPost());


        visitor = new CapabilitiesFilterSplitter(simpleLogicalCaps, null, null);


        orFilter.accept(visitor, null);


        assertEquals(Filter.INCLUDE, visitor.getFilterPost());
        assertEquals(orFilter, visitor.getFilterPre());
    }

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        simpleLogicalCaps.addType(BBOX.class);
        simpleLogicalCaps.addName(testFunction.getName(), testFunction.getParameters().size());


        visitor = new CapabilitiesFilterSplitter(simpleLogicalCaps, null, null);
        f.accept(visitor, null);


        assertEquals(f, visitor.getFilterPre());
        assertEquals(Filter.INCLUDE, visitor.getFilterPost());


        visitor = new CapabilitiesFilterSplitter(simpleLogicalCaps, null,

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                        return null;
                    }


                });


        f.accept(visitor, null);


        HashSet ids = new HashSet();
        ids.add(ff.featureId("fid"));


        assertEquals(f, visitor.getFilterPost());

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    @Test
    public void testTemporalFilter() {
        visitor = new CapabilitiesFilterSplitter(simpleLogicalCaps, null, null);
        
        Filter f1 = ff.after(ff.property("foo"), ff.literal("2011-06-20"));
        f1.accept(visitor, null);
        
        assertEquals(Filter.INCLUDE, visitor.getFilterPre());
        assertEquals(f1, visitor.getFilterPost());
        
        Filter f2 = ff.equal(ff.property("bar"), ff.literal("hello"), true);

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        assertEquals(Filter.INCLUDE, visitor.getFilterPre());
        assertEquals(f1, visitor.getFilterPost());
        
        Filter f2 = ff.equal(ff.property("bar"), ff.literal("hello"), true);
        Filter f3 = ff.and(f1, f2);
        f3.accept(visitor, null);
        
        assertEquals(f2, visitor.getFilterPre());
        assertEquals(f1, visitor.getFilterPost());
    }

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        Filter f2 = ff.less(ff.property("bar"), ff.literal(21));
        
        Filter andFilter = ff.and(f1, f2);


        // visit filter
        andFilter.accept(visitor, null);


        // test
        assertEquals(f1, visitor.getFilterPre());
        assertEquals(f2, visitor.getFilterPost());

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            FilterFactory ff = CommonFactoryFinder.getFilterFactory(null);
            serverFilter = ff.and(serverChild);
            postFilter = ff.and(postChild);
            SimplifyingFilterVisitor sfv = new SimplifyingFilterVisitor();
            serverFilter = (Filter) serverFilter.accept(sfv, null);
            postFilter = (Filter) postFilter.accept(sfv, null);
        }


        return new Filter[] { serverFilter, postFilter };
    }

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