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

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>
                      org.hibernate.ejb.criteria.expression.function.ParameterizedFunctionExpression<T>
                          org.hibernate.ejb.criteria.expression.function.AggregationFunction<Long>
                              org.hibernate.ejb.criteria.expression.function.AggregationFunction.COUNT

All Implemented Interfaces:

Serializable, javax.persistence.criteria.Expression<Long>, javax.persistence.criteria.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, javax.persistence.criteria.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,
                                 javax.persistence.criteria.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()