Examples of org.opengis.filter.capability.FunctionName

org.opengis.filter.capability.FunctionName
Function description provided in a filter capabilities.
```
 <xsd:complexType name="FunctionNameType"> <xsd:simpleContent> <xsd:extension base="xsd:string"> <xsd:attribute name="nArgs" type="xsd:string" use="required"/> </xsd:extension> </xsd:simpleContent> </xsd:complexType> 
```
We have extended this idea to include a list of argument names to better serve interactive clients. @author Torsten Friebe @author Justin Deoliveira, The Open Planning Project @source $URL$

              
                Set<FunctionName> functions = getAvailableFunctionNames(); 
                Iterator it = functions.iterator();


                while (it.hasNext()) {
                    FunctionName fname = (FunctionName) it.next();
                    AttributesImpl atts = new AttributesImpl();
                    atts.addAttribute("", "nArgs", "nArgs", "", fname.getArgumentCount() + "");


                    element(prefix + "Function_Name", fname.getName(), atts);
                }


                end(prefix + "Function_Names");
                end(prefix + "Functions");
            }

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            for (String file : filterRoot.list()) {
                if (file.endsWith(".py")) {
                    PythonFilterFunctionAdapter adapter = 
                        new PythonFilterFunctionAdapter(new File(filterRoot, file), py);
                    for(String name : adapter.getNames()) {
                        FunctionName fname = 
                            ff.functionName(name, adapter.getParameterNames(name).size());
                        names.add(fname);
                    }
                }
            }

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            Expression tx = fts.getTransformation();
            if(tx != null) {
                boolean rasterTransformation = false;
                if(tx instanceof Function) {
                    Function f = (Function) tx;
                    FunctionName name = f.getFunctionName();
                    if(name != null) {
                        Parameter<?> result = name.getReturn();
                        if(result != null) {
                            if(GridCoverage2D.class.isAssignableFrom(result.getType())) {
                                rasterTransformation = true;
                                this.rasterTransformation = tx;
                            }

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Related Classes of org.opengis.filter.capability.FunctionName

org.geoserver.python.filter.PythonFilterFunctionFactory

org.geoserver.wfs.CapabilitiesTransformer$WFS1_0$CapabilitiesTranslator1_0

org.geoserver.wms.map.RasterSymbolizerVisitor

org.geotools.data.transform.ExpressionTypeEvaluator

org.geotools.filter.function.DefaultFunctionFactory

org.geotools.filter.function.FunctionExpressionImplTest

org.geotools.filter.FunctionImplTest

org.geotools.filter.v1_0.capabilities.Function_NameTypeBinding

org.geotools.filter.v1_0.capabilities.Function_NameTypeBindingTest

org.geotools.filter.v1_1.capabilities.FunctionNameTypeBindingTest

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