Examples of org.geotools.filter.FilterCapabilities

org.geotools.filter.FilterCapabilities
Represents the Filter capabilities that are supported by a SQLEncoder
Each SQLEncoder class should have one static FilterCapabilities, representing the filter encoding operations that it can successfully perform.
This class is used as one big mask to detect filters that cannot be performed @author Chris Holmes, TOPP @source $URL$ @deprecated use {@link org.opengis.filter.capability.FilterCapabilities}.

     * Sets the capabilities of this filter.
     * 
     * @return FilterCapabilities for this Filter
     */
    protected FilterCapabilities createFilterCapabilities() {
        capabilities = new FilterCapabilities();
        capabilities.addAll(FilterCapabilities.LOGICAL_OPENGIS);
        capabilities.addAll(FilterCapabilities.SIMPLE_COMPARISONS_OPENGIS);
        capabilities.addType(FilterCapabilities.FID);
        capabilities.addType(FilterCapabilities.BETWEEN);
        capabilities.addType(FilterCapabilities.LIKE);

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    }
    
  public void testVisitBetweenFilter() throws Exception {
    PropertyIsBetween filter = ff.between(ff.literal(0), ff.property(numAtt), ff.literal(4));
    
        FilterCapabilities caps = new FilterCapabilities(PropertyIsBetween.class);
    runTest(filter, caps, numAtt);
  }

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        visitor.getFilterPre());
  }
  
  public void testVisitLikeFilter() throws Exception {
    Filter filter = ff.like(ff.property(nameAtt), "j*", "*", "?", "\\");
        FilterCapabilities likeCaps = new FilterCapabilities(PropertyIsLike.class);
    runTest(filter, likeCaps, nameAtt);
  }

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    runTest(filter, likeCaps, nameAtt);
  }


  public void testVisitNullFilter() throws Exception {
    Filter filter = ff.isNull(ff.property(nameAtt));
        FilterCapabilities nullCaps = new FilterCapabilities(PropertyIsNull.class);
    runTest(filter, nullCaps, nameAtt);
  }

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  public void testVisitFidFilter() throws Exception {
        HashSet ids = new HashSet();
        ids.add(ff.featureId("david"));
    Filter filter = ff.id(ids);
        visitor = newVisitor(new FilterCapabilities(Id.class));
    filter.accept(visitor, null);
    
    assertEquals(Filter.INCLUDE, visitor.getFilterPost());
    assertEquals(filter, visitor.getFilterPre());
  }

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      HashSet ids = new HashSet();
      ids.add(ff.featureId("david"));
      Filter idFilter = ff.id(ids);


      // no Id Capabilities
      FilterCapabilities fc = new FilterCapabilities();
            fc.addAll(FilterCapabilities.SIMPLE_COMPARISONS_OPENGIS);
            fc.addType(And.class);


            visitor = newVisitor(fc);
            idFilter.accept(visitor, null);
            
            assertEquals(Filter.INCLUDE, 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 PostPreProcessFilterSplittingVisitor(new FilterCapabilities(), null, null);
    orFilter.accept(visitor, null);


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

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    assertEquals( ff.or( f,ff.id(ids)), visitor.getFilterPre());
  }
  
  
  public void testOrNotSupported() {
      FilterCapabilities caps = new FilterCapabilities();
        caps.addAll(FilterCapabilities.SIMPLE_COMPARISONS_OPENGIS);
        caps.addType(And.class);
        PostPreProcessFilterSplittingVisitor visitor = new PostPreProcessFilterSplittingVisitor(caps, null, null);
      
      FilterFactory ff = CommonFactoryFinder.getFilterFactory(null);
        Filter f1 = ff.equals(ff.property("CFCC"), ff.literal("A41"));
        Filter f2 = ff.equals(ff.property("CFCC"), ff.literal("A42"));

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        assertEquals(anded, visitor.getFilterPre());
        assertEquals(Filter.INCLUDE, visitor.getFilterPost());
  }
  
    public void testTemporalFilter() throws Exception {
        FilterCapabilities caps = new FilterCapabilities();
        PostPreProcessFilterSplittingVisitor visitor = 
            new PostPreProcessFilterSplittingVisitor(caps, null, null);
        
        Filter f1 = ff.after(ff.property("foo"), ff.literal("2011-06-20"));
        f1.accept(visitor, null);

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        assertEquals(f1, visitor.getFilterPost());
    }
    
    public void testIsNullFilter() {
        FilterCapabilities caps = new FilterCapabilities();
        PostPreProcessFilterSplittingVisitor visitor = 
            new PostPreProcessFilterSplittingVisitor(caps, null, null);
        caps.addType(PropertyIsNull.class);
        
        Filter f1 = ff.isNull(ff.literal("abc"));
        f1.accept(visitor, null);
        
        assertEquals(f1, visitor.getFilterPre());

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