public class IsEventFrom extends java.lang.Object implements Constraint
| Constructor and Description |
|---|
IsEventFrom(java.lang.Class eventClass,
java.lang.Object source)
Constructs an IsEventFrom predicate that returns true for any object
derived from event_class announced by source.
|
IsEventFrom(java.lang.Object source)
Constructs an IsEventFrom predicate that returns true for any object
derived from
EventObjectannounced by source
. |
| Modifier and Type | Method and Description |
|---|---|
java.lang.StringBuffer |
describeTo(java.lang.StringBuffer buffer)
Appends the description of this object to the buffer.
|
boolean |
eval(java.lang.Object o)
Evaluates the constraint for argument o.
|
public IsEventFrom(java.lang.Object source)
EventObjectannounced by source
.public IsEventFrom(java.lang.Class eventClass,
java.lang.Object source)
public boolean eval(java.lang.Object o)
Constrainteval in interface Constrainto - the object against which the constraint is evaluated.true if o meets the constraint,
false if it does not.public java.lang.StringBuffer describeTo(java.lang.StringBuffer buffer)
SelfDescribingdescribeTo in interface SelfDescribingbuffer - The buffer that the description is appended to.