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## net.sf.saxon.expr
Interface Binding

All Known Implementing Classes:
  Assignation, GeneralVariable, JAXPVariable, UserFunctionParameter, Variable

public interface Binding

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

Method Summary
`ValueRepresentation` | `evaluateVariable(XPathContext context)` Evaluate the variable
`boolean` | `isGlobal()` Indicate whether the binding is local or global.

Method Detail

### evaluateVariable

    public ValueRepresentation evaluateVariable(XPathContext context)
                                         throws XPathException

  Evaluate the variable

  Throws:
    `XPathException`

### isGlobal

    public boolean isGlobal()

  Indicate whether the binding is local or global. A global binding is one that has a fixed value for the life of a query or transformation; any other binding is local.

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