org.hibernate.ejb.criteria.expression.function
Class AggregationFunction.COUNT

java.lang.Object
  extended by org.hibernate.ejb.criteria.AbstractNode
      extended by org.hibernate.ejb.criteria.expression.AbstractTupleElement<X>
          extended by org.hibernate.ejb.criteria.expression.SelectionImpl<T>
              extended by org.hibernate.ejb.criteria.expression.ExpressionImpl<X>
                  extended by org.hibernate.ejb.criteria.expression.function.BasicFunctionExpression<X>
                      extended by org.hibernate.ejb.criteria.expression.function.ParameterizedFunctionExpression<T>
                          extended by org.hibernate.ejb.criteria.expression.function.AggregationFunction<Long>
                              extended by org.hibernate.ejb.criteria.expression.function.AggregationFunction.COUNT
All Implemented Interfaces:
Serializable, Expression<Long>, Selection<Long>, TupleElement<Long>, FunctionExpression<Long>, ExpressionImplementor<Long>, ParameterContainer, Renderable, SelectionImplementor<Long>, TupleElementImplementor<Long>
Enclosing class:
AggregationFunction<T>

public static class AggregationFunction.COUNT
extends AggregationFunction<Long>

Implementation of a COUNT function providing convenience in construction.

Parameterized as Long because thats what JPA states that the return from COUNT should be.

See Also:
Serialized Form

Nested Class Summary
 
Nested classes/interfaces inherited from class org.hibernate.ejb.criteria.expression.function.AggregationFunction
AggregationFunction.AVG, AggregationFunction.COUNT, AggregationFunction.GREATEST<X extends Comparable<X>>, AggregationFunction.LEAST<X extends Comparable<X>>, AggregationFunction.MAX<N extends Number>, AggregationFunction.MIN<N extends Number>, AggregationFunction.SUM<N extends Number>
 
Nested classes/interfaces inherited from interface org.hibernate.ejb.criteria.ParameterContainer
ParameterContainer.Helper
 
Field Summary
static String NAME
           
 
Constructor Summary
AggregationFunction.COUNT(CriteriaBuilderImpl criteriaBuilder, Expression<?> expression, boolean distinct)
           
 
Method Summary
 boolean isDistinct()
           
protected  void renderArguments(StringBuilder buffer, CriteriaQueryCompiler.RenderingContext renderingContext)
           
 
Methods inherited from class org.hibernate.ejb.criteria.expression.function.AggregationFunction
isAggregation
 
Methods inherited from class org.hibernate.ejb.criteria.expression.function.ParameterizedFunctionExpression
getArgumentExpressions, properSize, registerParameters, render, wrapAsLiterals
 
Methods inherited from class org.hibernate.ejb.criteria.expression.function.BasicFunctionExpression
getFunctionName, renderProjection
 
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 org.hibernate.ejb.criteria.expression.SelectionImpl
alias, getCompoundSelectionItems, getValueHandlers, isCompoundSelection
 
Methods inherited from class org.hibernate.ejb.criteria.expression.AbstractTupleElement
forceConversion, getAlias, getJavaType, getValueHandler, resetJavaType, setAlias
 
Methods inherited from class org.hibernate.ejb.criteria.AbstractNode
criteriaBuilder
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface org.hibernate.ejb.criteria.expression.function.FunctionExpression
getFunctionName
 
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
 
Methods inherited from interface org.hibernate.ejb.criteria.SelectionImplementor
getValueHandlers
 
Methods inherited from interface org.hibernate.ejb.criteria.TupleElementImplementor
getValueHandler
 

Field Detail

NAME

public static final String NAME
See Also:
Constant Field Values
Constructor Detail

AggregationFunction.COUNT

public AggregationFunction.COUNT(CriteriaBuilderImpl criteriaBuilder,
                                 Expression<?> expression,
                                 boolean distinct)
Method Detail

renderArguments

protected void renderArguments(StringBuilder buffer,
                               CriteriaQueryCompiler.RenderingContext renderingContext)
Overrides:
renderArguments in class ParameterizedFunctionExpression<Long>

isDistinct

public boolean isDistinct()


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