com.bc.jexp.impl
Class NamespaceImpl

java.lang.Object
  com.bc.jexp.impl.NamespaceImpl

All Implemented Interfaces:

Namespace, WritableNamespace

Direct Known Subclasses:

DefaultNamespace

public class NamespaceImpl
extends Object
implements WritableNamespace

Provides an implementation of the Namespace interface.

Version:

$Revision$ $Date$

Author:

Norman Fomferra (norman.fomferra@brockmann-consult.de)

Constructor Summary

NamespaceImpl()

NamespaceImpl(Namespace defaultNamespace)

Method Summary

void	deregisterFunction(Function function)
void	deregisterSymbol(Symbol symbol)
Function[]	getAllFunctions()
Symbol[]	getAllSymbols()
Namespace	getDefaultNamespace()
void	registerFunction(Function function)
void	registerSymbol(Symbol symbol)
Function	resolveFunction(String name, Term[] args) Resolves the given name and argument list in order to find a matching function.
Symbol	resolveSymbol(String name) Resolves the given name in order to find a matching symbol.

Methods inherited from class java.lang.Object

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

Constructor Detail

NamespaceImpl

public NamespaceImpl()

NamespaceImpl

public NamespaceImpl(Namespace defaultNamespace)

Method Detail

getDefaultNamespace

public final Namespace getDefaultNamespace()

registerSymbol

public final void registerSymbol(Symbol symbol)

Specified by:

registerSymbol in interface WritableNamespace

deregisterSymbol

public final void deregisterSymbol(Symbol symbol)

Specified by:

deregisterSymbol in interface WritableNamespace

resolveSymbol

public final Symbol resolveSymbol(String name)

Description copied from interface: Namespace

Resolves the given name in order to find a matching symbol.

Specified by:

resolveSymbol in interface Namespace

Parameters:

name - a symbol name

Returns:

the symbol or null if this namespace does not contain a corresponding symbol

registerFunction

public final void registerFunction(Function function)

Specified by:

registerFunction in interface WritableNamespace

deregisterFunction

public final void deregisterFunction(Function function)

Specified by:

deregisterFunction in interface WritableNamespace

resolveFunction

public final Function resolveFunction(String name,
                                      Term[] args)

Description copied from interface: Namespace

Resolves the given name and argument list in order to find a matching function.

Specified by:

resolveFunction in interface Namespace

Parameters:

name - a function name

args - the argument list

Returns:

the function or null if this namespace does not contain a corresponding function

getAllSymbols

public Symbol[] getAllSymbols()

Specified by:

getAllSymbols in interface WritableNamespace

getAllFunctions

public final Function[] getAllFunctions()

Specified by:

getAllFunctions in interface WritableNamespace