net.sf.saxon.expr
Interface Binding

All Known Implementing Classes:

Assignation, DefiningVariable, UserFunctionParameter, Variable

public interface Binding

Binding is a interface used to represent the run-time properties and methods associated with a variable: specifically, methods to get the name, type, and value of the variable.

Method Summary

Value	evaluateVariable(XPathContext context) Evaluate the variable
SequenceType	getRequiredType() Get the static type of the variable binding
java.lang.String	getVariableName() Get the display name of the variable (for diagnostics only)

Method Detail

getRequiredType

public SequenceType getRequiredType()

Get the static type of the variable binding

evaluateVariable

public Value evaluateVariable(XPathContext context)
                       throws XPathException

Evaluate the variable

Throws:

XPathException

getVariableName

public java.lang.String getVariableName()

Get the display name of the variable (for diagnostics only)