org.glassfish.pfl.basic.contain

Class Display<K,V>

java.lang.Object

org.glassfish.pfl.basic.contain.Display<K,V>

Type Parameters:

K - The type of the Key

V - The type of the Value

public class Display<K,V>
extends Object

Supports a Display as typically found in Lexical scoping. Upon entering a scope, a new environment is available for binding keys to values. Exiting a scope remove the top-most environment. Lookup searches from the top down to find the value for the first matching key.

Author:

ken

Constructor Summary

Constructors

Constructor and Description
Display()

Method Summary

Methods

Modifier and Type	Method and Description
void	bind(K key, V value)
void	bind(Map<K,V> bindings)
void	enterScope()
void	exitScope()
V	lookup(K key)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Display

public Display()

Method Detail

enterScope

public void enterScope()

exitScope

public void exitScope()

bind

public void bind(K key,
        V value)

bind

public void bind(Map<K,V> bindings)

lookup

public V lookup(K key)