org.opengis.filter.expression
Interface Function

All Superinterfaces:

Expression

@XmlElement(value="Function")
public interface Function
extends Expression

Instances of this class represent a function call into some implementation-specific function. This is included for completeness with respect to the OGC Filter specification. However, no functions are required to be supported by that specification.

Since:

GeoAPI 2.0

Version:

Implementation specification 1.0

Method Summary

String	getName() Returns the name of the function to be called.
Expression[]	getParameters() Returns the subexpressions that will be evaluated to provide the parameters to the function.

Methods inherited from interface Expression

accept, evaluate

Method Detail

getName

String getName()

Returns the name of the function to be called. For example, this might be "cos" or "atan2".

getParameters

Expression[] getParameters()

Returns the subexpressions that will be evaluated to provide the parameters to the function.