FunctionExpression (Hibernate Core Aggregator 3.6.10.Final API)

All Classes

Summary:
Nested |
Field |
Constr |
Method

Detail:
Field |
Constr |
Method

Type Parameters:
T - The type of the function result.

All Superinterfaces:

javax.persistence.criteria.Expression<T>, javax.persistence.criteria.Selection<T>, javax.persistence.TupleElement<T>

All Known Implementing Classes:

AbsFunction, AggregationFunction, AggregationFunction.AVG, AggregationFunction.COUNT, AggregationFunction.GREATEST, AggregationFunction.LEAST, AggregationFunction.MAX, AggregationFunction.MIN, AggregationFunction.SUM, BasicFunctionExpression, CastFunction, CurrentDateFunction, CurrentTimeFunction, CurrentTimestampFunction, LengthFunction, LocateFunction, LowerFunction, ParameterizedFunctionExpression, SqrtFunction, SubstringFunction, TrimFunction, UpperFunction
```
public interface FunctionExpression<T>
extends javax.persistence.criteria.Expression<T>
```
Contract for expressions which model a SQL function call.

Author:

Steve Ebersole

Method Summary

Methods
Modifier and Type	Method and Description
`String`	`getFunctionName()` Retrieve the name of the function.
`boolean`	`isAggregation()` Is this function a value aggregator (like a `COUNT` or `MAX` function e.g.)?

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

Methods inherited from interface javax.persistence.TupleElement
getAlias, getJavaType

- Method Detail
  - getFunctionName
```
String getFunctionName()
```
    Retrieve the name of the function.
    
    Returns:
    The function name.
  - isAggregation
```
boolean isAggregation()
```
    Is this function a value aggregator (like a COUNT or MAX function e.g.)?
    
    Returns:
    True if this functions does aggregation.

All Classes

Summary:
Nested |
Field |
Constr |
Method

Detail:
Field |
Constr |
Method

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