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}.

            }
            // END OF HACK
            if (isJoining || mappedSource instanceof JDBCFeatureSource
                    || mappedSource instanceof JDBCFeatureStore) {
                // has database as data source, we can use the data source filter capabilities
                FilterCapabilities capabilities = getFilterCapabilities(mappedSource);
                ComplexFilterSplitter splitter = new ComplexFilterSplitter(capabilities, mapping);
                Filter filter = query.getFilter();
                filter.accept(splitter, null);
                Filter preFilter = splitter.getFilterPre();
                query.setFilter(preFilter);

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        return Types.isSimpleContentType(mapping.getTargetFeature().getType());
    }


    private static FilterCapabilities getFilterCapabilities(FeatureSource mappedSource)
            throws IllegalArgumentException {
        FilterCapabilities capabilities = null;
        if (mappedSource instanceof JDBCFeatureSource) {
            capabilities = ((JDBCFeatureSource) mappedSource).getDataStore()
                    .getFilterCapabilities();
        } else if (mappedSource instanceof JDBCFeatureStore) {
            capabilities = ((JDBCFeatureStore) mappedSource).getDataStore().getFilterCapabilities();

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        looseBBOX = dialect.isLooseBBOXEnabled();
    }


    @Override
    protected FilterCapabilities createFilterCapabilities() {
        FilterCapabilities caps = new FilterCapabilities();
        caps.addAll(SQLDialect.BASE_DBMS_CAPABILITIES);


        // adding the spatial filters support
        caps.addType(BBOX.class);
        caps.addType(Contains.class);
        caps.addType(Crosses.class);
        caps.addType(Disjoint.class);
        caps.addType(Equals.class);
        caps.addType(Intersects.class);
        caps.addType(Overlaps.class);
        caps.addType(Touches.class);
        caps.addType(Within.class);
        caps.addType(DWithin.class);
        caps.addType(Beyond.class);


        return caps;
    }

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        this.looseBBOXEnabled = looseBBOXEnabled;
    }
    
    @Override
    protected FilterCapabilities createFilterCapabilities() {
        FilterCapabilities caps = new FilterCapabilities();
        caps.addAll(SQLDialect.BASE_DBMS_CAPABILITIES);


        // adding the spatial filters support
        caps.addType(BBOX.class);
        caps.addType(Contains.class);
        caps.addType(Crosses.class);
        caps.addType(Disjoint.class);
        caps.addType(Equals.class);
        caps.addType(Intersects.class);
        caps.addType(Overlaps.class);
        caps.addType(Touches.class);
        caps.addType(Within.class);
        caps.addType(DWithin.class);
        caps.addType(Beyond.class);
        
        caps.addType(FilterFunction_sdonn.class);
        
        //temporal filters
        caps.addType(After.class);
        caps.addType(Before.class);
        caps.addType(Begins.class);
        caps.addType(BegunBy.class);
        caps.addType(During.class);
        caps.addType(TOverlaps.class);
        caps.addType(Ends.class);
        caps.addType(EndedBy.class);
        caps.addType(TEquals.class);
        
        return caps;
    }

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  public void testBBOX() throws Exception{
    // JE:  this test fails but I am not sure if it is a bug or expected behaviour  
    // I wrote this test so it may be correct but it maybe wrong.  Someone that knows should look at this.
    Filter f = ff.bbox(geomAtt, 10, 10, 20, 20, "");
    runTest(f, new FilterCapabilities(BBOX.class), geomAtt);
  }

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    Filter f = ff.bbox(geomAtt, 10, 10, 20, 20, "");
    runTest(f, new FilterCapabilities(BBOX.class), geomAtt);
  }
  public void testBEYOND() throws Exception{
    Filter f = ff.beyond(geomAtt, geom, 10, "");
    runTest(f, new FilterCapabilities(Beyond.class), geomAtt);
  }

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    Filter f = ff.beyond(geomAtt, geom, 10, "");
    runTest(f, new FilterCapabilities(Beyond.class), geomAtt);
  }
  public void testCONTAINS() throws Exception{
        Filter f = ff.contains(geomAtt, geom);
        runTest(f, new FilterCapabilities(Contains.class), geomAtt);
  }

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        Filter f = ff.contains(geomAtt, geom);
        runTest(f, new FilterCapabilities(Contains.class), geomAtt);
  }
  public void testCROSSES() throws Exception{
        Filter f = ff.crosses(geomAtt, geom);
        runTest(f, new FilterCapabilities(Crosses.class), geomAtt);
  }

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        Filter f = ff.crosses(geomAtt, geom);
        runTest(f, new FilterCapabilities(Crosses.class), geomAtt);
  }
  public void testDISJOINT() throws Exception{
        Filter f = ff.disjoint(geomAtt, geom);
        runTest(f, new FilterCapabilities(Disjoint.class), geomAtt);
  }

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        Filter f = ff.disjoint(geomAtt, geom);
        runTest(f, new FilterCapabilities(Disjoint.class), geomAtt);
  }
  public void tesDWITHINt() throws Exception{
        Filter f = ff.dwithin(geomAtt, geom, 10, "");
        runTest(f, new FilterCapabilities(DWithin.class), geomAtt);
  }

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Related Classes of org.geotools.filter.FilterCapabilities

org.geotools.arcsde.filter.FilterToSQLSDE

org.geotools.data.complex.MappingFeatureIteratorFactory

org.geotools.data.db2.DB2FilterToSQL

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org.geotools.data.jdbc.FilterToSQL

org.geotools.data.mysql.MySQLFilterToSQL

org.geotools.data.oracle.OracleFilterToSQL

org.geotools.data.postgis.FilterToSqlHelper

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