eu.xtreemos.xosd.localallocmgr.attributes
Class IAttribute<T>
java.lang.Object
eu.xtreemos.xosd.localallocmgr.attributes.IAttribute<T>
- Type Parameters:
T
-
- All Implemented Interfaces:
- java.io.Serializable
- Direct Known Subclasses:
- CurrentAmount, EndTime, MaxAmount, OwnersInfoAttr, Sharing, StartTime
public abstract class IAttribute<T>
- extends java.lang.Object
- implements java.io.Serializable
Used to store values and to enforce semantics on these
values. Each attribute must be represented by its own
class.
Also, for any attribute that is added to the TTElm, one
needs to register the handler and also write a handler
for the attribute. Registration goes into
"AttributeHandlerStorageFactory"
- Author:
- urosjovanovic
- See Also:
- Serialized Form
Field Summary |
protected T |
value
|
Method Summary |
abstract IAttribute<T> |
clone()
needed for copying while making new time table
elements from the old ones |
boolean |
equals(IAttribute<T> attr)
|
boolean |
equals(java.lang.Object oattr)
|
T |
getValue()
|
boolean |
isBasic()
the basic attributes are only the ones that
hold the information about the start and end of
the TTElm and the type of sharing (the attributes
created by the TTElmFactory object). |
abstract boolean |
isEmpty()
returns the information of whether this attribute
has a value, that can be disregarded. |
void |
setValue(T value)
|
Methods inherited from class java.lang.Object |
finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
value
protected T value
IAttribute
public IAttribute(T val)
getValue
public T getValue()
setValue
public void setValue(T value)
clone
public abstract IAttribute<T> clone()
- needed for copying while making new time table
elements from the old ones
- Overrides:
clone
in class java.lang.Object
equals
public boolean equals(java.lang.Object oattr)
- Overrides:
equals
in class java.lang.Object
equals
public boolean equals(IAttribute<T> attr)
isEmpty
public abstract boolean isEmpty()
- returns the information of whether this attribute
has a value, that can be disregarded.
This method is called when an element is removed
by the attributes - when calling remove request.
- Returns:
isBasic
public boolean isBasic()
- the basic attributes are only the ones that
hold the information about the start and end of
the TTElm and the type of sharing (the attributes
created by the TTElmFactory object).
- Returns: