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public interface Projection
An object-oriented representation of a query result set projection in a Criteria query. Built-in projection types are provided by the Projections factory class. This interface might be implemented by application classes that define custom projections.
Projections
,
Criteria
Method Summary | |
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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 criteria,
CriteriaQuery criteriaQuery)
Return types returned by the rendered SQL fragment |
Type[] |
getTypes(java.lang.String alias,
Criteria criteria,
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 position,
CriteriaQuery criteriaQuery)
Render the SQL fragment |
Method Detail |
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java.lang.String toSqlString(Criteria criteria, int position, CriteriaQuery criteriaQuery) throws HibernateException
criteriaQuery
- columnAlias
-
HibernateException
java.lang.String toGroupSqlString(Criteria criteria, CriteriaQuery criteriaQuery) throws HibernateException
criteriaQuery
- columnAlias
-
HibernateException
Type[] getTypes(Criteria criteria, CriteriaQuery criteriaQuery) throws HibernateException
criteria
- criteriaQuery
-
HibernateException
Type[] getTypes(java.lang.String alias, Criteria criteria, CriteriaQuery criteriaQuery) throws HibernateException
HibernateException
java.lang.String[] getColumnAliases(int loc)
java.lang.String[] getColumnAliases(java.lang.String alias, int loc)
java.lang.String[] getAliases()
boolean isGrouped()
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