public interface AttributeAccessor
| Modifier and Type | Method and Description |
|---|---|
String[] |
attributeNames()
Return the names of all attributes.
|
Object |
getAttribute(String name)
Get the value of the attribute identified by
name. |
boolean |
hasAttribute(String name)
Return
true if the attribute identified by name exists. |
Object |
removeAttribute(String name)
Remove the attribute identified by
name and return its value. |
void |
setAttribute(String name,
Object value)
Set the attribute defined by
name to the supplied value. |
void setAttribute(String name, Object value)
name to the supplied value.
If value is null, the attribute is removed.
In general, users should take care to prevent overlaps with other metadata attributes by using fully-qualified names, perhaps using class or package names as prefix.
name - the unique attribute keyvalue - the attribute value to be attachedObject getAttribute(String name)
name.
Return null if the attribute doesn't exist.name - the unique attribute keyObject removeAttribute(String name)
name and return its value.
Return null if no attribute under name is found.name - the unique attribute keyboolean hasAttribute(String name)
true if the attribute identified by name exists.
Otherwise return false.name - the unique attribute keyString[] attributeNames()