org.mongodb.morphia.query

Interface QueryFactory

All Known Implementing Classes:

AbstractQueryFactory, DefaultQueryFactory

public interface QueryFactory

A factory for Queryies.

Method Summary

Methods

Modifier and Type	Method and Description
<T> Query<T>	createQuery(Datastore datastore) Creates an unvalidated Query typically for use in aggregation pipelines.
<T> Query<T>	createQuery(Datastore datastore, DBCollection collection, Class<T> type) Creates and returns a Query for the given arguments.
<T> Query<T>	createQuery(Datastore datastore, DBCollection collection, Class<T> type, DBObject query) Creates and returns a Query for the given arguments.

Method Detail

createQuery

<T> Query<T> createQuery(Datastore datastore,
                       DBCollection collection,
                       Class<T> type)

Creates and returns a Query for the given arguments. Default implementations of this method will simply delegate to createQuery(Datastore, DBCollection, Class, DBObject) with the last argument being null.

See Also:

createQuery(Datastore, DBCollection, Class, DBObject)

createQuery

<T> Query<T> createQuery(Datastore datastore,
                       DBCollection collection,
                       Class<T> type,
                       DBObject query)

Creates and returns a Query for the given arguments. The last argument is optional and may be null.

createQuery

<T> Query<T> createQuery(Datastore datastore)

Creates an unvalidated Query typically for use in aggregation pipelines.