org.hibernate.criterion
Class SQLProjection

java.lang.Object
  org.hibernate.criterion.SQLProjection

All Implemented Interfaces:

java.io.Serializable, Projection

public class SQLProjection
extends java.lang.Object
implements Projection

A SQL fragment. The string {alias} will be replaced by the alias of the root entity.

See Also:

Serialized Form

Constructor Summary

protected	SQLProjection(java.lang.String sql, java.lang.String[] columnAliases, Type[] types)
protected	SQLProjection(java.lang.String sql, java.lang.String groupBy, java.lang.String[] columnAliases, Type[] types)

Method Summary

java.lang.String[]	getAliases() Get the user-visible aliases for this projection (ie.
java.lang.String[]	getColumnAliases(int loc) Get the SQL select clause column aliases
java.lang.String[]	getColumnAliases(java.lang.String alias, int loc) Get the SQL select clause column aliases for a particular user-visible alias
Type[]	getTypes(Criteria crit, CriteriaQuery criteriaQuery) Return types returned by the rendered SQL fragment
Type[]	getTypes(java.lang.String alias, Criteria crit, CriteriaQuery criteriaQuery) Return types for a particular user-visible alias
boolean	isGrouped() Does this projection specify grouping attributes?
java.lang.String	toGroupSqlString(Criteria criteria, CriteriaQuery criteriaQuery) Render the SQL fragment to be used in the group by clause
java.lang.String	toSqlString(Criteria criteria, int loc, CriteriaQuery criteriaQuery) Render the SQL fragment
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

SQLProjection

protected SQLProjection(java.lang.String sql,
                        java.lang.String[] columnAliases,
                        Type[] types)

SQLProjection

protected SQLProjection(java.lang.String sql,
                        java.lang.String groupBy,
                        java.lang.String[] columnAliases,
                        Type[] types)

Method Detail

toSqlString

public java.lang.String toSqlString(Criteria criteria,
                                    int loc,
                                    CriteriaQuery criteriaQuery)
                             throws HibernateException

Description copied from interface: Projection

Render the SQL fragment

Specified by:

toSqlString in interface Projection

Returns:

String

Throws:

HibernateException

toGroupSqlString

public java.lang.String toGroupSqlString(Criteria criteria,
                                         CriteriaQuery criteriaQuery)
                                  throws HibernateException

Description copied from interface: Projection

Render the SQL fragment to be used in the group by clause

Specified by:

toGroupSqlString in interface Projection

Returns:

String

Throws:

HibernateException

getTypes

public Type[] getTypes(Criteria crit,
                       CriteriaQuery criteriaQuery)
                throws HibernateException

Description copied from interface: Projection

Return types returned by the rendered SQL fragment

Specified by:

getTypes in interface Projection

Returns:

Type[]

Throws:

HibernateException

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getAliases

public java.lang.String[] getAliases()

Description copied from interface: Projection

Get the user-visible aliases for this projection (ie. the ones that will be passed to the ResultTransformer)

Specified by:

getAliases in interface Projection

getColumnAliases

public java.lang.String[] getColumnAliases(int loc)

Description copied from interface: Projection

Get the SQL select clause column aliases

Specified by:

getColumnAliases in interface Projection

isGrouped

public boolean isGrouped()

Description copied from interface: Projection

Does this projection specify grouping attributes?

Specified by:

isGrouped in interface Projection

getTypes

public Type[] getTypes(java.lang.String alias,
                       Criteria crit,
                       CriteriaQuery criteriaQuery)

Description copied from interface: Projection

Return types for a particular user-visible alias

Specified by:

getTypes in interface Projection

getColumnAliases

public java.lang.String[] getColumnAliases(java.lang.String alias,
                                           int loc)

Description copied from interface: Projection

Get the SQL select clause column aliases for a particular user-visible alias

Specified by:

getColumnAliases in interface Projection