Module io.ebean.core

Package io.ebeaninternal.server.query

Class CQueryEngine

java.lang.Object

io.ebeaninternal.server.query.CQueryEngine

public final class CQueryEngine
extends Object

Handles the Object Relational fetching.

Constructor Summary

Constructors

Constructor	Description
CQueryEngine(DatabaseBuilder.Settings config, DatabasePlatform dbPlatform, Binder binder, Map<String,String> asOfTableMapping)

Method Summary

Modifier and Type	Method	Description
<T> CQuery<T>	buildQuery(OrmQueryRequest<T> request)
<T> int	delete(OrmQueryRequest<T> request)
<T> T	find(OrmQueryRequest<T> request)	Find and return a single bean using its unique id.
<T> int	findCount(OrmQueryRequest<T> request)	Build and execute the row count query.
<A> List<A>	findIds(OrmQueryRequest<?> request)	Build and execute the find Id's query.
<T> QueryIterator<T>	findIterate(OrmQueryRequest<T> request)	Read many beans using an iterator (except you need to close() the iterator when you have finished).
<T> SpiResultSet	findResultSet(OrmQueryRequest<T> request)	Execute returning the ResultSet and PreparedStatement for processing (by DTO query usually).
<A extends Collection<?>> A	findSingleAttributeList(OrmQueryRequest<?> request, A collection)	Build and execute the findSingleAttributeList query.
<T> List<Version<T>>	findVersions(OrmQueryRequest<T> request)	Execute the find versions query returning version beans.
int	forwardOnlyFetchSize()
<T> int	update(OrmQueryRequest<T> request)

Methods inherited from class java.lang.Object

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

Constructor Details

CQueryEngine

public CQueryEngine(DatabaseBuilder.Settings config,
 DatabasePlatform dbPlatform,
 Binder binder,
 Map<String,String> asOfTableMapping)

Method Details

forwardOnlyFetchSize

public int forwardOnlyFetchSize()

buildQuery

public <T> CQuery<T> buildQuery(OrmQueryRequest<T> request)

delete

public <T> int delete(OrmQueryRequest<T> request)

update

public <T> int update(OrmQueryRequest<T> request)

findSingleAttributeList

public <A extends Collection<?>> A findSingleAttributeList(OrmQueryRequest<?> request,
 A collection)

Build and execute the findSingleAttributeList query.

findIds

public <A> List<A> findIds(OrmQueryRequest<?> request)

Build and execute the find Id's query.

findCount

public <T> int findCount(OrmQueryRequest<T> request)

Build and execute the row count query.

findIterate

public <T> QueryIterator<T> findIterate(OrmQueryRequest<T> request)

Read many beans using an iterator (except you need to close() the iterator when you have finished).

findVersions

public <T> List<Version<T>> findVersions(OrmQueryRequest<T> request)

Execute the find versions query returning version beans.

findResultSet

public <T> SpiResultSet findResultSet(OrmQueryRequest<T> request)

Execute returning the ResultSet and PreparedStatement for processing (by DTO query usually).

find

public <T> T find(OrmQueryRequest<T> request)

Find and return a single bean using its unique id.