weka.core.xml

Class MethodHandler

java.lang.Object

weka.core.xml.MethodHandler

All Implemented Interfaces:

RevisionHandler

public class MethodHandler
extends java.lang.Object
implements RevisionHandler

This class handles relationships between display names of properties (or classes) and Methods that are associated with them.

Version:

$Revision: 10203 $

Author:

FracPete (fracpete at waikato dot ac dot nz)

Constructor Summary

Constructors

Constructor and Description
MethodHandler() initializes the handler

Method Summary

Modifier and Type	Method and Description
void	add(java.lang.Class<?> c, java.lang.reflect.Method method) adds the specified method for the given class to its internal list.
void	add(java.lang.String displayName, java.lang.reflect.Method method) adds the specified method for the property with the given displayname to its internal list.
void	clear() removes all mappings
boolean	contains(java.lang.Class<?> c) checks whether a method is stored for the given class
boolean	contains(java.lang.String displayName) checks whether a method is stored for the given property
java.lang.reflect.Method	get(java.lang.Class<?> c) returns the stored method for the given class
java.lang.reflect.Method	get(java.lang.String displayName) returns the stored method for the given property
java.lang.String	getRevision() Returns the revision string.
java.util.Enumeration<java.lang.Object>	keys() returns an enumeration over all currently stored custom methods, i.e.
boolean	remove(java.lang.Class<?> c) removes the method for the specified class from its internal list.
boolean	remove(java.lang.String displayName) removes the method for the property specified by the display name from its internal list.
int	size() returns the number of currently stored Methods
java.lang.String	toString() returns the internal Hashtable (propety/class - method relationship) in a string representation

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

MethodHandler

public MethodHandler()

initializes the handler

Method Detail

keys

public java.util.Enumeration<java.lang.Object> keys()

returns an enumeration over all currently stored custom methods, i.e. it returns the display names/classes in the enumeration.

Returns:

the currently stored methods

See Also:

m_Methods

add

public void add(java.lang.String displayName,
                java.lang.reflect.Method method)

adds the specified method for the property with the given displayname to its internal list.

Parameters:

displayName - the display name of the property to handle manually

method - the method, which will be invoked by reflection to handle the property manually

See Also:

m_Methods

add

public void add(java.lang.Class<?> c,
                java.lang.reflect.Method method)

adds the specified method for the given class to its internal list.

Parameters:

c - the class to handle manually

method - the method, which will be invoked by reflection to handle the property manually

See Also:

m_Methods

remove

public boolean remove(java.lang.String displayName)

removes the method for the property specified by the display name from its internal list.

Parameters:

displayName - the display name of the propery to remove the custom method for

Returns:

whether the method was stored in the list at all

See Also:

m_Methods

remove

public boolean remove(java.lang.Class<?> c)

removes the method for the specified class from its internal list.

Parameters:

c - the class to remove the custom method for

Returns:

whether the method was stored in the list at all

See Also:

m_Methods

contains

public boolean contains(java.lang.String displayName)

checks whether a method is stored for the given property

Parameters:

displayName - the display name of the property to check for a method

Returns:

whether a method is currently stored

See Also:

m_Methods

contains

public boolean contains(java.lang.Class<?> c)

checks whether a method is stored for the given class

Parameters:

c - the class to check for a method

Returns:

whether a method is currently stored

See Also:

m_Methods

get

public java.lang.reflect.Method get(java.lang.String displayName)

returns the stored method for the given property

Parameters:

displayName - the display name of the property to retrieve the method for

Returns:

the method associated with the display name, can be null

See Also:

m_Methods

get

public java.lang.reflect.Method get(java.lang.Class<?> c)

returns the stored method for the given class

Parameters:

c - the class to retrieve the method for

Returns:

the method associated with the class, can be null

See Also:

m_Methods

size

public int size()

returns the number of currently stored Methods

Returns:

the nummber of methods

clear

public void clear()

removes all mappings

toString

public java.lang.String toString()

returns the internal Hashtable (propety/class - method relationship) in a string representation

Overrides:

toString in class java.lang.Object

Returns:

the object as string

getRevision

public java.lang.String getRevision()

Returns the revision string.

Specified by:

getRevision in interface RevisionHandler

Returns:

the revision