Package org.hibernate.engine.spi

Class SubselectFetch

java.lang.Object

org.hibernate.engine.spi.SubselectFetch

public class SubselectFetch
extends Object

Encapsulates details related to entities which contain sub-select-fetchable collections and which were loaded in a Session so that those collections may be sub-select fetched later during initialization

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	SubselectFetch.RegistrationHandler
static class	SubselectFetch.StandardRegistrationHandler

Constructor Summary

Constructors

Constructor	Description
SubselectFetch(QuerySpec loadingSqlAst, TableGroup ownerTableGroup, JdbcParametersList loadingJdbcParameters, JdbcParameterBindings loadingJdbcParameterBindings, Set<EntityKey> resultingEntityKeys)

Method Summary

Modifier and Type	Method	Description
static SubselectFetch.RegistrationHandler	createRegistrationHandler(BatchFetchQueue batchFetchQueue, SelectStatement sqlAst, TableGroup tableGroup, JdbcParametersList jdbcParameters, JdbcParameterBindings jdbcParameterBindings)
static SubselectFetch.RegistrationHandler	createRegistrationHandler(BatchFetchQueue batchFetchQueue, SelectStatement sqlAst, JdbcParametersList jdbcParameters, JdbcParameterBindings jdbcParameterBindings)
JdbcParameterBindings	getLoadingJdbcParameterBindings()	The JDBC parameter bindings related to getLoadingSqlAst() for the specific execution that loaded the owners
JdbcParametersList	getLoadingJdbcParameters()
QuerySpec	getLoadingSqlAst()	The SQL AST select from which the owner was loaded
TableGroup	getOwnerTableGroup()	The TableGroup for the owner within the getLoadingSqlAst()
Set<EntityKey>	getResultingEntityKeys()	The entity-keys of all owners loaded from a particular execution
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Details

SubselectFetch

public SubselectFetch(QuerySpec loadingSqlAst,
 TableGroup ownerTableGroup,
 JdbcParametersList loadingJdbcParameters,
 JdbcParameterBindings loadingJdbcParameterBindings,
 Set<EntityKey> resultingEntityKeys)

Method Details

getLoadingJdbcParameters

public JdbcParametersList getLoadingJdbcParameters()

getLoadingSqlAst

public QuerySpec getLoadingSqlAst()

The SQL AST select from which the owner was loaded

getOwnerTableGroup

public TableGroup getOwnerTableGroup()

The TableGroup for the owner within the getLoadingSqlAst()

getLoadingJdbcParameterBindings

public JdbcParameterBindings getLoadingJdbcParameterBindings()

The JDBC parameter bindings related to getLoadingSqlAst() for the specific execution that loaded the owners

getResultingEntityKeys

public Set<EntityKey> getResultingEntityKeys()

The entity-keys of all owners loaded from a particular execution

Used for "empty collection" handling mostly

toString

public String toString()

Overrides:

toString in class Object

createRegistrationHandler

public static SubselectFetch.RegistrationHandler createRegistrationHandler(BatchFetchQueue batchFetchQueue,
 SelectStatement sqlAst,
 TableGroup tableGroup,
 JdbcParametersList jdbcParameters,
 JdbcParameterBindings jdbcParameterBindings)

createRegistrationHandler

public static SubselectFetch.RegistrationHandler createRegistrationHandler(BatchFetchQueue batchFetchQueue,
 SelectStatement sqlAst,
 JdbcParametersList jdbcParameters,
 JdbcParameterBindings jdbcParameterBindings)