jmathlib.core.functions
Class FunctionManager

java.lang.Object
  jmathlib.core.functions.FunctionManager

public class FunctionManager
extends java.lang.Object

Class for storing and managing the functions being used

Constructor Summary

FunctionManager(boolean _runningStandalone)
Creates the function manager and defines any internal functions if this is an application then it creates a class loader to load external functions

Method Summary

boolean	addFunctionLoader(FunctionLoader loader)
void	addFunctionLoaderAt(int index, FunctionLoader loader)
void	checkAndRehashTimeStamps() For each of the FunctionLoaders, check that any cached functions are up to date.
void	clear()
void	clearCustomFunctionLoaders()
Function	findFunction(FunctionToken token) find a function It checks user functions then external functions then internal functions
Function	findFunctionByName(java.lang.String funcName)
FunctionLoader	getFunctionLoader(int index)
int	getFunctionLoaderCount()
boolean	getPFileCaching() return whether of not caching of p-files is enabled of not
java.io.File	getWorkingDirectory()
boolean	removeFunctionLoader(FunctionLoader loader)
void	setPFileCaching(boolean pFileCaching) set caching of p-file to on of off
void	setWorkingDirectory(java.io.File path)

Methods inherited from class java.lang.Object

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

Constructor Detail

FunctionManager

public FunctionManager(boolean _runningStandalone)

Creates the function manager and defines any internal functions if this is an application then it creates a class loader to load external functions

Parameters:

runningStandalone - = true if the program is running as an application

Method Detail

checkAndRehashTimeStamps

public void checkAndRehashTimeStamps()

For each of the FunctionLoaders, check that any cached functions are up to date. If some are out of date, or have been deleted, ensure that the cache it updated.

findFunction

public Function findFunction(FunctionToken token)
                      throws java.lang.Exception

find a function It checks user functions then external functions then internal functions

Parameters:

token - - The function token containing the name of the function

Returns:

the Function found

Throws:

java.lang.Exception

findFunctionByName

public Function findFunctionByName(java.lang.String funcName)
                            throws java.lang.Exception

Throws:

java.lang.Exception

clear

public void clear()

setPFileCaching

public void setPFileCaching(boolean pFileCaching)

set caching of p-file to on of off

Parameters:

pFileCaching - true= caching of p-files on; false: caching of p-files off

getPFileCaching

public boolean getPFileCaching()

return whether of not caching of p-files is enabled of not

Returns:

status of caching p-files

getFunctionLoaderCount

public int getFunctionLoaderCount()

Returns:

getFunctionLoader

public FunctionLoader getFunctionLoader(int index)

Parameters:

index -

Returns:

removeFunctionLoader

public boolean removeFunctionLoader(FunctionLoader loader)

Parameters:

loader -

Returns:

addFunctionLoader

public boolean addFunctionLoader(FunctionLoader loader)

Parameters:

loader -

Returns:

addFunctionLoaderAt

public void addFunctionLoaderAt(int index,
                                FunctionLoader loader)

Parameters:

index -

loader -

clearCustomFunctionLoaders

public void clearCustomFunctionLoaders()

setWorkingDirectory

public void setWorkingDirectory(java.io.File path)

Parameters:

path -

getWorkingDirectory

public java.io.File getWorkingDirectory()

Returns: