Examples of org.opengis.filter.FilterFactory2.property()

org.opengis.filter.FilterFactory2.property()
Retrieves the value of a {@linkplain org.opengis.feature.Feature feature}'s property. @param name Name of attribute referenced @return PropertyName

                        if(maxValue.compareTo(minValue)!=0){
                            // logic comes from Range.intersectsNC(Range)
                            // in summary, requestedMax > min && requestedMin < max
                            Filter maxCondition = ff.greaterOrEqual(
                                                        ff.literal(maxValue), 
                                                        ff.property(propertyName));
                            Filter minCondition = ff.lessOrEqual(
                                                        ff.literal(minValue), 
                                                        ff.property(additionalPropertyName));
                            
                            filters.add(ff.and(Arrays.asList(maxCondition,minCondition)));

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                            Filter maxCondition = ff.greaterOrEqual(
                                                        ff.literal(maxValue), 
                                                        ff.property(propertyName));
                            Filter minCondition = ff.lessOrEqual(
                                                        ff.literal(minValue), 
                                                        ff.property(additionalPropertyName));
                            
                            filters.add(ff.and(Arrays.asList(maxCondition,minCondition)));
                            continue;
                        } else {
                            value=maxValue;

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                        }
                    }
                    filters.add( 
                            ff.and(
                                    ff.lessOrEqual(
                                            ff.property(propertyName), 
                                            ff.literal(value)),
                                    ff.greaterOrEqual(
                                            ff.property(additionalPropertyName), 
                                            ff.literal(value))));
                }

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                            ff.and(
                                    ff.lessOrEqual(
                                            ff.property(propertyName), 
                                            ff.literal(value)),
                                    ff.greaterOrEqual(
                                            ff.property(additionalPropertyName), 
                                            ff.literal(value))));
                }
            }
            return ff.or(filters);
        }

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        namespaces.declarePrefix("xmml", XMMLNS);
        namespaces.declarePrefix("xlink", XLINK.NAMESPACE);


        FilterFactory2 ff = new FilterFactoryImplNamespaceAware(namespaces);
        String xpathExpression = "sa:shape/geo:LineByVector/geo:origin/@xlink:href";
        PropertyName propNameExpression = ff.property(xpathExpression);


        visitor = new UnmappingFilterVisitor(mapping);


        List /* <Expression> */unrolled = (List) propNameExpression.accept(visitor, null);
        assertNotNull(unrolled);

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        visitor = new UnmappingFilterVisitor(mapping);
        FilterFactory2 ff = new FilterFactoryImplNamespaceAware(namespaces);


        String xpathExpression = "@gml:id";
        PropertyName propNameExpression = ff.property(xpathExpression);


        List /* <Expression> */unrolled = (List) propNameExpression.accept(visitor, null);
        assertNotNull(unrolled);
        assertEquals(1, unrolled.size());
        assertTrue(unrolled.get(0) instanceof Expression);

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        assertEquals(1, unrolled.size());
        assertTrue(unrolled.get(0) instanceof Expression);
        assertEquals(((Expression) unrolled.get(0)).toString(), "strConcat([bh.], [BGS_ID])");


        xpathExpression = "/@gml:id";
        propNameExpression = ff.property(xpathExpression);


        unrolled = (List) propNameExpression.accept(visitor, null);
        assertNotNull(unrolled);
        assertEquals(1, unrolled.size());
        assertTrue(unrolled.get(0) instanceof Expression);

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        assertEquals(1, unrolled.size());
        assertTrue(unrolled.get(0) instanceof Expression);
        assertEquals(((Expression) unrolled.get(0)).toString(), "strConcat([bh.], [BGS_ID])");


        xpathExpression = "xmml:Borehole/@gml:id";
        propNameExpression = ff.property(xpathExpression);


        unrolled = (List) propNameExpression.accept(visitor, null);
        assertNotNull(unrolled);
        assertEquals(1, unrolled.size());
        assertTrue(unrolled.get(0) instanceof Expression);

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        NamespaceSupport namespaces = new NamespaceSupport();
        namespaces.declarePrefix("gml", GML.NAMESPACE);
        namespaces.declarePrefix("xmml", XMMLNS);


        FilterFactory2 ff = new FilterFactoryImplNamespaceAware(namespaces);
        PropertyIsEqualTo complexFilter = ff.equals(ff.property("gml:name"), ff
                .literal("SWADLINCOTE"));


        visitor = new UnmappingFilterVisitor(mapping);


        Filter unrolled = (Filter) complexFilter.accept(visitor, null);

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                final GridEnvelope2D range = new GridEnvelope2D(rasterArea);
                gg.setValue(new GridGeometry2D(range, reducedEnvelope));


                final ParameterValue<Filter> filterParam = NetCDFFormat.FILTER.createValue();
                FilterFactory2 FF = FeatureUtilities.DEFAULT_FILTER_FACTORY;
                Filter filter = FF.equals(FF.property("z"), FF.literal(450.0));
                filterParam.setValue(filter);


                GeneralParameterValue[] values = new GeneralParameterValue[] { filterParam };
                GridCoverage2D coverage = reader.read(coverageName, values);
                assertNotNull(coverage);

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