org.jmock.core.constraint
Class IsEventFrom

java.lang.Object
  org.jmock.core.constraint.IsEventFrom

All Implemented Interfaces:

Constraint, SelfDescribing

public class IsEventFrom
extends Object
implements Constraint

Tests if the value is an event announced by a specific object.

Constructor Summary

IsEventFrom(Class eventClass, Object source)
Constructs an IsEventFrom predicate that returns true for any object derived from event_class announced by source.

IsEventFrom(Object source)
Constructs an IsEventFrom predicate that returns true for any object derived from EventObjectannounced by source .

Method Summary

StringBuffer	describeTo(StringBuffer buffer) Appends the description of this object to the buffer.
boolean	eval(Object o) Evaluates the constraint for argument o.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

IsEventFrom

public IsEventFrom(Object source)

Constructs an IsEventFrom predicate that returns true for any object derived from EventObjectannounced by source .

IsEventFrom

public IsEventFrom(Class eventClass,
                   Object source)

Constructs an IsEventFrom predicate that returns true for any object derived from event_class announced by source.

Method Detail

eval

public boolean eval(Object o)

Description copied from interface: Constraint

Evaluates the constraint for argument o.

Specified by:

eval in interface Constraint

Parameters:

o - the object against which the constraint is evaluated.

Returns:

true if o meets the constraint, false if it does not.

describeTo

public StringBuffer describeTo(StringBuffer buffer)

Description copied from interface: SelfDescribing

Appends the description of this object to the buffer.

Specified by:

describeTo in interface SelfDescribing

Parameters:

buffer - The buffer that the description is appended to.

Returns:

The buffer passed to the invokedMethod.