public class IdentifierProjection extends SimpleProjection
A property value, or grouped property value
Modifier | Constructor and Description |
---|---|
protected |
IdentifierProjection()
Constructs a non-grouped identifier projection
|
Modifier and Type | Method and Description |
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Type[] |
getTypes(Criteria criteria,
CriteriaQuery criteriaQuery)
Types returned by the rendered SQL
fragment . |
boolean |
isGrouped()
Is this projection fragment (<tt>SELECT</tt> clause) also part of the <tt>GROUP BY</tt>
|
String |
toGroupSqlString(Criteria criteria,
CriteriaQuery criteriaQuery)
Render the SQL fragment to be used in the <tt>GROUP BY</tt> clause
|
String |
toSqlString(Criteria criteria,
int position,
CriteriaQuery criteriaQuery)
Render the SQL fragment to be used in the <tt>SELECT</tt> clause.
|
String |
toString() |
as, getAliases, getColumnAliases, getColumnAliases, getColumnAliases, getColumnAliases, getColumnCount, getTypes
protected IdentifierProjection()
Constructs a non-grouped identifier projection
Projections.id()
public Type[] getTypes(Criteria criteria, CriteriaQuery criteriaQuery)
Projection
Types returned by the rendered SQL fragment
. In other words what are the types
that would represent the values this projection asked to be pulled into the result set?
criteria
- The local criteria to which this project is attached (for resolution).criteriaQuery
- The overall criteria query instance.public String toSqlString(Criteria criteria, int position, CriteriaQuery criteriaQuery)
Projection
Render the SQL fragment to be used in the <tt>SELECT</tt> clause.
criteria
- The local criteria to which this project is attached (for resolution).position
- The number of columns rendered in the <tt>SELECT</tt> clause before this projection. Generally
speaking this is useful to ensure uniqueness of the individual columns aliases.criteriaQuery
- The overall criteria query instance.public boolean isGrouped()
Projection
Is this projection fragment (<tt>SELECT</tt> clause) also part of the <tt>GROUP BY</tt>
isGrouped
in interface Projection
isGrouped
in class SimpleProjection
public String toGroupSqlString(Criteria criteria, CriteriaQuery criteriaQuery)
Projection
Render the SQL fragment to be used in the <tt>GROUP BY</tt> clause
toGroupSqlString
in interface Projection
toGroupSqlString
in class SimpleProjection
criteria
- The local criteria to which this project is attached (for resolution).criteriaQuery
- The overall criteria query instance.Copyright © 2001-2018 Red Hat, Inc. All Rights Reserved.