org.plasma.query
Interface PathProperty

All Superinterfaces:

Property, Term

All Known Implementing Classes:

DomainRoot, PathNode, QConstraint, QGlobalVariable, QGlobalVariable, QTable, QTable, QTableColumn, QTableColumn, QTableColumnComment, QTableColumnConstraint, QTableColumnConstraint, QTableColumnKeyUsage, QTableComment, QTableConstraint, QVersion, QVersion, QView, QView, QViewColumn, QViewColumnComment, QViewComment

public interface PathProperty
extends Property

A reference (or non data type) property which constitutes part of a path within a data graph

Method Summary

Expression	isNotNull() Returns a boolean expression where this property is not equal to null.
Expression	isNull() Returns a boolean expression where this property is equal to null.

Method Detail

isNull

Expression isNull()

Returns a boolean expression where this property is equal to null.

Parameters:

value - the literal

Returns:

the boolean expression

isNotNull

Expression isNotNull()

Returns a boolean expression where this property is not equal to null.

Parameters:

value - the literal

Returns:

the boolean expression