org.nodal.util
Interface BindingContext

All Known Implementing Classes:

BindingContexts

public interface BindingContext

A "global" mapping from Name to Object. Created on Jul 17, 2003

Author:

leei

Method Summary

java.lang.Object	bind(Name nm, java.lang.Object val) Bind a value to the given Name.
java.lang.Object	bound(Name nm) Obtain the Object bound to a particular Name.

Method Detail

bound

public java.lang.Object bound(Name nm)

Obtain the Object bound to a particular Name.

Parameters:

nm - the Name to use as a reference

Returns:

the Object bound if one exists, or null if not.

bind

public java.lang.Object bind(Name nm,
                             java.lang.Object val)

Bind a value to the given Name.

Parameters:

nm - the Name to use for this binding

val - the Object to use as a value

Returns:

any previous binding for the Name nm