org.hibernate.ejb.criteria.expression.function
Class BasicFunctionExpression<X>
java.lang.Object
org.hibernate.ejb.criteria.AbstractNode
org.hibernate.ejb.criteria.expression.AbstractTupleElement<X>
org.hibernate.ejb.criteria.expression.SelectionImpl<T>
org.hibernate.ejb.criteria.expression.ExpressionImpl<X>
org.hibernate.ejb.criteria.expression.function.BasicFunctionExpression<X>
- All Implemented Interfaces:
- Serializable, javax.persistence.criteria.Expression<X>, javax.persistence.criteria.Selection<X>, TupleElement<X>, FunctionExpression<X>, ExpressionImplementor<X>, ParameterContainer, Renderable, SelectionImplementor<X>, TupleElementImplementor<X>
- Direct Known Subclasses:
- CastFunction, CurrentDateFunction, CurrentTimeFunction, CurrentTimestampFunction, LocateFunction, ParameterizedFunctionExpression, SubstringFunction, TrimFunction
public class BasicFunctionExpression<X>
- extends ExpressionImpl<X>
- implements FunctionExpression<X>, Serializable
Models the basic concept of a SQL function.
- Author:
- Steve Ebersole
- See Also:
- Serialized Form
Methods inherited from class org.hibernate.ejb.criteria.expression.ExpressionImpl |
as, asBigDecimal, asBigInteger, asDouble, asFloat, asInteger, asLong, asString, in, in, in, in, isNotNull, isNull |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface javax.persistence.criteria.Expression |
as, in, in, in, in, isNotNull, isNull |
Methods inherited from interface javax.persistence.criteria.Selection |
alias, getCompoundSelectionItems, isCompoundSelection |
BasicFunctionExpression
public BasicFunctionExpression(CriteriaBuilderImpl criteriaBuilder,
Class<X> javaType,
String functionName)
properSize
protected static int properSize(int number)
getFunctionName
public String getFunctionName()
- Description copied from interface:
FunctionExpression
- Retrieve the name of the function.
- Specified by:
getFunctionName
in interface FunctionExpression<X>
- Returns:
- The function name.
isAggregation
public boolean isAggregation()
- Description copied from interface:
FunctionExpression
- Is this function a value aggregator (like a COUNT or MAX function e.g.)?
- Specified by:
isAggregation
in interface FunctionExpression<X>
- Returns:
- True if this functions does aggregation.
registerParameters
public void registerParameters(ParameterRegistry registry)
- Description copied from interface:
ParameterContainer
- Register any parameters contained within this query component with the given registry.
- Specified by:
registerParameters
in interface ParameterContainer
- Parameters:
registry
- The parameter registry with which to register.
render
public String render(CriteriaQueryCompiler.RenderingContext renderingContext)
- Specified by:
render
in interface Renderable
renderProjection
public String renderProjection(CriteriaQueryCompiler.RenderingContext renderingContext)
- Specified by:
renderProjection
in interface Renderable
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