Package gnu.expr

Class AbstractScriptEngineFactory.BindingsLocation

java.lang.Object

gnu.mapping.Location<Object>

gnu.mapping.IndirectableLocation<Object>

gnu.mapping.NamedLocation<Object>

gnu.expr.AbstractScriptEngineFactory.BindingsLocation

All Implemented Interfaces:

EnvironmentKey, Map.Entry<EnvironmentKey,Object>

Enclosing class:

AbstractScriptEngineFactory

public static class AbstractScriptEngineFactory.BindingsLocation
extends NamedLocation<Object>

A Location object that proxies lookup in global and engine Bindings.

Field Summary

Fields inherited from class gnu.mapping.IndirectableLocation

base, DIRECT_ON_SET, INDIRECT_FLUIDS, value

Fields inherited from class gnu.mapping.Location

UNBOUND

Fields inherited from interface gnu.mapping.EnvironmentKey

FUNCTION

Constructor Summary

Constructors

Constructor	Description
BindingsLocation(SimpleSymbol name, AbstractScriptEngineFactory.BindingsEnvironment env)

Method Summary

Modifier and Type	Method	Description
Object	get()	Get the current value of this location.
Object	get(Object defaultValue)
Environment	getEnvironment()
boolean	isBound()
void	set(Object newValue)

Methods inherited from class gnu.mapping.NamedLocation

entered, equals, getKey, getKeyProperty, getKeySymbol, hashCode, matches, matches, setRestore, setWithSave

Methods inherited from class gnu.mapping.IndirectableLocation

getBase, getBaseForce, isConstant, setAlias, setBase, undefine

Methods inherited from class gnu.mapping.Location

define, getValue, make, make, make, print, setValue, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Map.Entry

getValue, setValue

Constructor Details

BindingsLocation

public BindingsLocation(SimpleSymbol name,
 AbstractScriptEngineFactory.BindingsEnvironment env)

Method Details

get

public Object get(Object defaultValue)

Overrides:

get in class Location<Object>

get

public Object get()

Description copied from class: Location

Get the current value of this location.

Specified by:

get in class Location<Object>

isBound

public boolean isBound()

Specified by:

isBound in class Location<Object>

set

public void set(Object newValue)

Specified by:

set in class Location<Object>

getEnvironment

public Environment getEnvironment()

Overrides:

getEnvironment in class NamedLocation<Object>