ome.services.query

Class NullQuerySource

java.lang.Object

ome.services.query.QuerySource

ome.services.query.NullQuerySource

public class NullQuerySource
extends QuerySource

always returns null for any id. Useful for testing.

Since:

OMERO 3.0

Version:

1.0 (Internal version: $Rev$ $Date$)

Author:

Josh Moore, josh.moore@gmx.de

Constructor Summary

Constructors

Constructor and Description
NullQuerySource()

Method Summary

Modifier and Type	Method and Description
Query	lookup(String queryID, Parameters parameters) map the queryID argument to some Query instance (including null).

Methods inherited from class java.lang.Object

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

Constructor Detail

NullQuerySource

public NullQuerySource()

Method Detail

lookup

public Query lookup(String queryID,
                    Parameters parameters)

Description copied from class: QuerySource

map the queryID argument to some Query instance (including null). This mapping can be dependent on the provided Parameters

Specified by:

lookup in class QuerySource

Parameters:

queryID - abstract identifier for the sought query.

parameters - named parameters for lookup and actual bindings.

Returns:

A possible null Query for later execution.