PropertyIsNull {ows4R}

PropertyIsNull

Description

PropertyIsNull

PropertyIsNull

Format

R6Class object.

Value

Object of R6Class for modelling an PropertyIsNull

Super classes

ows4R::OGCAbstractObject -> ows4R::OGCExpression -> PropertyIsNull

Public fields

PropertyName

property name field for XML encoding

Methods

Public methods

• PropertyIsNull$new()

• PropertyIsNull$clone()

Inherited methods

• ows4R::OGCAbstractObject$ERROR()
• ows4R::OGCAbstractObject$INFO()
• ows4R::OGCAbstractObject$WARN()
• ows4R::OGCAbstractObject$encode()
• ows4R::OGCAbstractObject$getClass()
• ows4R::OGCAbstractObject$getClassName()
• ows4R::OGCAbstractObject$getNamespaceDefinition()
• ows4R::OGCAbstractObject$isFieldInheritedFrom()
• ows4R::OGCAbstractObject$logger()
• ows4R::OGCAbstractObject$print()
• ows4R::OGCExpression$getExprVersion()
• ows4R::OGCExpression$setExprVersion()

Method new()

Initializes an object extending PropertyIsLike

Usage

PropertyIsNull$new(PropertyName)

Arguments

PropertyName

property name

Method clone()

The objects of this class are cloneable with this method.

Usage

PropertyIsNull$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.

Author(s)

Emmanuel Blondel <[e-mail]>

Examples

  expr <- PropertyIsNull$new(PropertyName = "property")
  expr_xml <- expr$encode() #see how it looks like in XML