org.apache.cayenne.access

Interface QueryEngine

All Known Implementing Classes:

DataDomain, DataNode

public interface QueryEngine

Defines methods used to run Cayenne queries.

Method Summary

Methods

Modifier and Type	Method and Description
EntityResolver	getEntityResolver() Returns a resolver for this query engine that is capable of resolving between classes, entity names, and obj/db entities
void	performQueries(Collection<? extends Query> queries, OperationObserver resultConsumer) Executes a list of queries wrapping them in its own transaction.

Method Detail

performQueries

void performQueries(Collection<? extends Query> queries,
                  OperationObserver resultConsumer)

Executes a list of queries wrapping them in its own transaction. Results of execution are passed to OperationObserverobject via its callback methods.

Since:

1.1 The signature has changed from List to Collection.

getEntityResolver

EntityResolver getEntityResolver()

Returns a resolver for this query engine that is capable of resolving between classes, entity names, and obj/db entities