Class OGCExpressionAbstract

An OGC expression is a combination of one or more elements that form part of a predicate:

OGC Filter specification 2.0

• Literals (<fes:Literal>): Literal
• ValueReference (<fes:ValueReference>): PropertyName
• Functions (<fes:Function>):

OGC Filter specification 1.0

• Literals (<ogc:Literal>): Literal
• PropertyName (<ogc:PropertyName>): PropertyName
• Functions (<ogc:Function>):
• Arithmetic operators
• Addition (<ogc:Add>): add
• Subtraction (<ogc:Sub>): sub
• Multiplication (<ogc:Mul>): mul
• Division (<ogc:Div>): div