@Override
public PropertyDescriptor getDescriptor(Name name) {
if (name.equals(ComplexFeatureConstants.FEATURE_CHAINING_LINK_NAME)) {
return ComplexFeatureConstants.FEATURE_CHAINING_LINK;
}
return super.getDescriptor(name);
}
public Function function(Name processName, List<Expression> args, Literal fallback) {
// if the param function just return it
if (processName.equals(new NameImpl(ParameterFunction.NAME))) {
return new ParameterFunction(fallback, args);
}
// lookup the process
if (functionNames == null) {
init();
}
if (!processToFunction.containsKey(processName)) {
// no such function
return null;
} else {
// wrap the process
org.geotools.process.Process process = Processors.createProcess(processName);
Map<String, Parameter<?>> parameters = Processors.getParameterInfo(processName);
if (process instanceof RenderingProcess) {
return new RenderingProcessFunction(
processName.getLocalPart(),
processName,
args,
parameters,
(RenderingProcess) process,
fallback);
} else {
return new ProcessFunction(
processName.getLocalPart(), processName, args, parameters, process, fallback);
}
}
}