org.hibernate.engine.query.spi

Class HQLQueryPlan

java.lang.Object

org.hibernate.engine.query.spi.HQLQueryPlan

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

FilterQueryPlan

public class HQLQueryPlan
extends Object
implements Serializable

Defines a query execution plan for an HQL query (or filter).

Author:

Steve Ebersole

See Also:

Serialized Form

Constructor Summary

Constructors

Modifier	Constructor and Description
	HQLQueryPlan(String hql, boolean shallow, Map<String,Filter> enabledFilters, SessionFactoryImplementor factory) Constructs a HQLQueryPlan
	HQLQueryPlan(String hql, boolean shallow, Map<String,Filter> enabledFilters, SessionFactoryImplementor factory, EntityGraphQueryHint entityGraphQueryHint)
protected	HQLQueryPlan(String hql, String collectionRole, boolean shallow, Map<String,Filter> enabledFilters, SessionFactoryImplementor factory, EntityGraphQueryHint entityGraphQueryHint)

Method Summary

Modifier and Type	Method and Description
Class	getDynamicInstantiationResultType()
Set	getEnabledFilterNames()
ParameterMetadata	getParameterMetadata()
Set	getQuerySpaces()
ReturnMetadata	getReturnMetadata()
String	getSourceQuery()
String[]	getSqlStrings()
QueryTranslator[]	getTranslators() Access to the underlying translators associated with this query
Set	getUtilizedFilterNames()
boolean	isSelect()
boolean	isShallow()
int	performExecuteUpdate(QueryParameters queryParameters, SessionImplementor session) Coordinates the efforts to perform an execution across all the included query translators.
Iterator	performIterate(QueryParameters queryParameters, EventSource session) Coordinates the efforts to perform an iterate across all the included query translators.
List	performList(QueryParameters queryParameters, SessionImplementor session) Coordinates the efforts to perform a list across all the included query translators.
ScrollableResults	performScroll(QueryParameters queryParameters, SessionImplementor session) Coordinates the efforts to perform a scroll across all the included query translators.

Methods inherited from class java.lang.Object

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

Constructor Detail

HQLQueryPlan

public HQLQueryPlan(String hql,
                    boolean shallow,
                    Map<String,Filter> enabledFilters,
                    SessionFactoryImplementor factory)

Constructs a HQLQueryPlan

Parameters:

hql - The HQL query

shallow - Whether the execution is to be shallow or not

enabledFilters - The enabled filters (we only keep the names)

factory - The factory

HQLQueryPlan

public HQLQueryPlan(String hql,
                    boolean shallow,
                    Map<String,Filter> enabledFilters,
                    SessionFactoryImplementor factory,
                    EntityGraphQueryHint entityGraphQueryHint)

HQLQueryPlan

protected HQLQueryPlan(String hql,
                       String collectionRole,
                       boolean shallow,
                       Map<String,Filter> enabledFilters,
                       SessionFactoryImplementor factory,
                       EntityGraphQueryHint entityGraphQueryHint)

Method Detail

getSourceQuery

public String getSourceQuery()

getQuerySpaces

public Set getQuerySpaces()

getParameterMetadata

public ParameterMetadata getParameterMetadata()

getReturnMetadata

public ReturnMetadata getReturnMetadata()

getEnabledFilterNames

public Set getEnabledFilterNames()

getSqlStrings

public String[] getSqlStrings()

getUtilizedFilterNames

public Set getUtilizedFilterNames()

isShallow

public boolean isShallow()

performList

public List performList(QueryParameters queryParameters,
                        SessionImplementor session)
                 throws HibernateException

Coordinates the efforts to perform a list across all the included query translators.

Parameters:

queryParameters - The query parameters

session - The session

Returns:

The query result list

Throws:

HibernateException - Indicates a problem performing the query

performIterate

public Iterator performIterate(QueryParameters queryParameters,
                               EventSource session)
                        throws HibernateException

Coordinates the efforts to perform an iterate across all the included query translators.

Parameters:

queryParameters - The query parameters

session - The session

Returns:

The query result iterator

Throws:

HibernateException - Indicates a problem performing the query

performScroll

public ScrollableResults performScroll(QueryParameters queryParameters,
                                       SessionImplementor session)
                                throws HibernateException

Coordinates the efforts to perform a scroll across all the included query translators.

Parameters:

queryParameters - The query parameters

session - The session

Returns:

The query result iterator

Throws:

HibernateException - Indicates a problem performing the query

performExecuteUpdate

public int performExecuteUpdate(QueryParameters queryParameters,
                                SessionImplementor session)
                         throws HibernateException

Coordinates the efforts to perform an execution across all the included query translators.

Parameters:

queryParameters - The query parameters

session - The session

Returns:

The aggregated "affected row" count

Throws:

HibernateException - Indicates a problem performing the execution

getTranslators

public QueryTranslator[] getTranslators()

Access to the underlying translators associated with this query

Returns:

The translators

getDynamicInstantiationResultType

public Class getDynamicInstantiationResultType()

isSelect

public boolean isSelect()