eu.mihosoft.vrl.workflow

Interface PropertyStorage

All Known Subinterfaces:

VisualizationRequest

public interface PropertyStorage

Author:

Michael Hoffer <info@michaelhoffer.de>

Method Summary

Modifier and Type	Method and Description
void	addListener(MapChangeListener<String,Object> l) Adds the specified listener to the property map.
boolean	contains(String key) Indicates whether this storage contains the requested property.
<T> Optional<T>	get(String key) Returns a property.
Collection<String>	getKeys() Returns the keys that are currently used by the property storage.
void	remove(String key) Deletes the requested property if present.
void	removeListener(MapChangeListener<String,Object> l) Removes the specified listener from the property map.
<T> void	set(String key, T property) Sets a property.

Method Detail

contains

boolean contains(String key)

Indicates whether this storage contains the requested property.

Parameters:

key - key

Returns:

true if this storage contains the requested property; false

remove

void remove(String key)

Deletes the requested property if present. Does nothing otherwise.

Parameters:

key - key

get

<T> Optional<T> get(String key)

Returns a property.

Type Parameters:

T - property type

Parameters:

key - key

Returns:

the property; an empty Optional will be returned if the property does not exist or the type does not match

set

<T> void set(String key,
             T property)

Sets a property. Existing properties are overwritten.

Parameters:

key - key

property - property

addListener

void addListener(MapChangeListener<String,Object> l)

Adds the specified listener to the property map.

Parameters:

l - change listener

removeListener

void removeListener(MapChangeListener<String,Object> l)

Removes the specified listener from the property map.

Parameters:

l - change listener

getKeys

Collection<String> getKeys()

Returns the keys that are currently used by the property storage.

Returns:

keys used by the property storage