com.mysema.query.jpa
Class JPQLGrammar

java.lang.Object
  com.mysema.query.jpa.JPQLGrammar

public final class JPQLGrammar
extends Object

JPQLGrammar provides factory methods for JPQL specific operations elements.

Author:

tiwe

Method Summary

static <A extends Comparable<? super A>> ComparableExpression<A>	avg(CollectionExpression<?,A> col)
static <A extends Comparable<? super A>> ComparableExpression<A>	max(CollectionExpression<?,A> left)
static <A extends Comparable<? super A>> ComparableExpression<A>	min(CollectionExpression<?,A> left)
static <D extends Number & Comparable<? super D>> NumberExpression<?>	sum(Expression<D> left) SUM returns Long when applied to state-fields of integral types (other than BigInteger); Double when applied to state-fields of floating point types; BigInteger when applied to state-fields of type BigInteger; and BigDecimal when applied to state-fields of type BigDecimal.
static <D extends Number & Comparable<? super D>> NumberExpression<Double>	sumAsDouble(Expression<D> left)
static <D extends Number & Comparable<? super D>> NumberExpression<Long>	sumAsLong(Expression<D> left)
static StringExpression	type(EntityPath<?> path)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

avg

public static <A extends Comparable<? super A>> ComparableExpression<A> avg(CollectionExpression<?,A> col)

max

public static <A extends Comparable<? super A>> ComparableExpression<A> max(CollectionExpression<?,A> left)

min

public static <A extends Comparable<? super A>> ComparableExpression<A> min(CollectionExpression<?,A> left)

sum

public static <D extends Number & Comparable<? super D>> NumberExpression<?> sum(Expression<D> left)

SUM returns Long when applied to state-fields of integral types (other than BigInteger); Double when applied to state-fields of floating point types; BigInteger when applied to state-fields of type BigInteger; and BigDecimal when applied to state-fields of type BigDecimal.

sumAsLong

public static <D extends Number & Comparable<? super D>> NumberExpression<Long> sumAsLong(Expression<D> left)

sumAsDouble

public static <D extends Number & Comparable<? super D>> NumberExpression<Double> sumAsDouble(Expression<D> left)

type

public static StringExpression type(EntityPath<?> path)