org.prevayler.implementation
Class NullQuery

java.lang.Object
  org.prevayler.implementation.NullQuery

All Implemented Interfaces:

Serializable, Query<Object,Object>

public class NullQuery
extends Object
implements Query<Object,Object>

See Also:

Serialized Form

Constructor Summary

NullQuery()

Method Summary

Object

query(Object prevalentSystem, Date executionTime)

Methods inherited from class java.lang.Object

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

Constructor Detail

NullQuery

public NullQuery()

Method Detail

query

public Object query(Object prevalentSystem,
                    Date executionTime)
             throws Exception

Specified by:

query in interface Query<Object,Object>

Parameters:

prevalentSystem - The Prevalent System to be queried.

executionTime - The "current" time.

Returns:

The result of this Query.

Throws:

Exception - Any Exception encountered by this Query.