Class ConstrainedLocation

protected Location base

protected Procedure converter

public final Object get(Object defaultValue)

Overrides:

get in interface Location

public Object getKeyProperty()

Overrides:

getKeyProperty in interface Location

public Symbol getKeySymbol()

Overrides:

getKeySymbol in interface Location

public boolean isBound()

Overrides:

isBound in interface Location

public boolean isConstant()

Overrides:

isConstant in interface Location

public static ConstrainedLocation make(Location base,
                                       Procedure converter)

public final void set(Object newValue)

Overrides:

set in interface Location

public void setRestore(Object oldValue,
                       CallContext ctx)

Restore an old value.

Overrides:

setRestore in interface Location

Parameters:

oldValue - the return value from a prior setWithSave.

public Object setWithSave(Object newValue,
                          CallContext ctx)

Set a value, but return cookie so old value can be restored. This is intended for fluid-let where (in the case of multiple threads) a simple save-restore isn't always the right thing.

Overrides:

setWithSave in interface Location