org.forgerock.openam.scripting

Class ChainedBindings

java.lang.Object

org.forgerock.openam.scripting.ChainedBindings

All Implemented Interfaces:

Map<String,Object>, Bindings

public final class ChainedBindings
extends Object
implements Bindings

Custom Bindings implementation that allows scopes to be chained from parent to child. Variables are looked up in the current scope first, and then in the parent scope. Setting a variable always does so in the current scope. Each scope bindings object is held as a reference to the original bindings objects passed to the constructor. Therefore any changes made to a variable will be reflected in the current scope.

Note: chained scopes effectively act as a linked list. Therefore performance for getting/setting variables will decrease roughly linearly with the number of chained scopes (assuming constant access times within each individual scope).

Nested Class Summary

Nested classes/interfaces inherited from interface java.util.Map

Map.Entry<K,V>

Constructor Summary

Constructors

Constructor and Description
ChainedBindings(Bindings parent, Bindings current) Constructs a chained bindings set with the given parent scope and current scope objects.

Method Summary

Modifier and Type	Method and Description
void	clear()
boolean	containsKey(Object o)
boolean	containsValue(Object o)
Set<Map.Entry<String,Object>>	entrySet()
Object	get(Object o)
boolean	isEmpty()
Set<String>	keySet()
Object	put(String varName, Object value) Sets the given variable to the given value.
void	putAll(Map<? extends String,? extends Object> map)
Object	remove(Object o)
int	size()
Collection<Object>	values()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Map

compute, computeIfAbsent, computeIfPresent, equals, forEach, getOrDefault, hashCode, merge, putIfAbsent, remove, replace, replace, replaceAll

Constructor Detail

ChainedBindings

public ChainedBindings(Bindings parent,
                       Bindings current)

Constructs a chained bindings set with the given parent scope and current scope objects.

Parameters:

parent - the parent scope.

current - the current scope.

Method Detail

put

public Object put(String varName,
                  Object value)

Sets the given variable to the given value. The variable will be set in both the current scope and the parent scope, in case both already had a binding for this variable.

Specified by:

put in interface Map<String,Object>

Specified by:

put in interface Bindings

Parameters:

varName - the name of the variable to set.

value - the value to set the variable to.

putAll

public void putAll(Map<? extends String,? extends Object> map)

Specified by:

putAll in interface Map<String,Object>

Specified by:

putAll in interface Bindings

clear

public void clear()

Specified by:

clear in interface Map<String,Object>

keySet

public Set<String> keySet()

Specified by:

keySet in interface Map<String,Object>

values

public Collection<Object> values()

Specified by:

values in interface Map<String,Object>

entrySet

public Set<Map.Entry<String,Object>> entrySet()

Specified by:

entrySet in interface Map<String,Object>

size

public int size()

Specified by:

size in interface Map<String,Object>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Map<String,Object>

containsKey

public boolean containsKey(Object o)

Specified by:

containsKey in interface Map<String,Object>

Specified by:

containsKey in interface Bindings

containsValue

public boolean containsValue(Object o)

Specified by:

containsValue in interface Map<String,Object>

get

public Object get(Object o)

Specified by:

get in interface Map<String,Object>

Specified by:

get in interface Bindings

remove

public Object remove(Object o)

Specified by:

remove in interface Map<String,Object>

Specified by:

remove in interface Bindings