Package dev.morphia.query
Interface QueryFactory
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- All Known Implementing Classes:
AbstractQueryFactory
,DefaultQueryFactory
public interface QueryFactory
A factory forQuery
ies.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description <T> Query<T>
createQuery(Datastore datastore)
Creates an unvalidatedQuery
typically for use in aggregation pipelines.<T> Query<T>
createQuery(Datastore datastore, com.mongodb.DBCollection collection, java.lang.Class<T> type)
Creates and returns aQuery
for the given arguments.<T> Query<T>
createQuery(Datastore datastore, com.mongodb.DBCollection collection, java.lang.Class<T> type, com.mongodb.DBObject query)
Creates and returns aQuery
for the given arguments.
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Method Detail
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createQuery
<T> Query<T> createQuery(Datastore datastore, com.mongodb.DBCollection collection, java.lang.Class<T> type)
Creates and returns aQuery
for the given arguments. Default implementations of this method will simply delegate tocreateQuery(Datastore, DBCollection, Class, DBObject)
with the last argument beingnull
.- Type Parameters:
T
- the type of the result- Parameters:
datastore
- the Datastore to usecollection
- the collection to querytype
- the type of the result- Returns:
- the query
- See Also:
createQuery(Datastore, DBCollection, Class, DBObject)
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createQuery
<T> Query<T> createQuery(Datastore datastore, com.mongodb.DBCollection collection, java.lang.Class<T> type, com.mongodb.DBObject query)
Creates and returns aQuery
for the given arguments. The last argument is optional and may benull
.- Type Parameters:
T
- the type of the result- Parameters:
datastore
- the Datastore to usecollection
- the collection to querytype
- the type of the resultquery
- the DBObject containing the query structure- Returns:
- the query
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