com.mysema.query.hql
Class HQLGrammar

java.lang.Object
  com.mysema.query.hql.HQLGrammar

public class HQLGrammar
extends Object

HQLGrammar provides factory methods for HQL specific operations elements.

Version:

$Id$

Author:

tiwe

Constructor Summary

HQLGrammar()

Method Summary

static <D> Expr<D>	all(ECollection<?,D> col)
static <D> Expr<D>	any(ECollection<?,D> col)
static <A extends Comparable<? super A>> EComparable<A>	avg(ECollection<?,A> col)
static <A extends Comparable<? super A>> EComparable<A>	max(ECollection<?,A> left)
static <A extends Comparable<? super A>> EComparable<A>	min(ECollection<?,A> left)
static <D> Expr<D>	some(ECollection<?,D> col)
static <D extends Number & Comparable<? super D>> ENumber<?>	sum(Expr<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>> ENumber<Double>	sumAsDouble(Expr<D> left)
static <D extends Number & Comparable<? super D>> ENumber<Long>	sumAsLong(Expr<D> left)

Methods inherited from class java.lang.Object

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

Constructor Detail

HQLGrammar

public HQLGrammar()

Method Detail

all

public static <D> Expr<D> all(ECollection<?,D> col)

Type Parameters:

D -

Parameters:

col -

Returns:

any

public static <D> Expr<D> any(ECollection<?,D> col)

Type Parameters:

D -

Parameters:

col -

Returns:

avg

public static <A extends Comparable<? super A>> EComparable<A> avg(ECollection<?,A> col)

Type Parameters:

A -

Parameters:

col -

Returns:

max

public static <A extends Comparable<? super A>> EComparable<A> max(ECollection<?,A> left)

Type Parameters:

A -

Parameters:

left -

Returns:

min

public static <A extends Comparable<? super A>> EComparable<A> min(ECollection<?,A> left)

Type Parameters:

A -

Parameters:

left -

Returns:

some

public static <D> Expr<D> some(ECollection<?,D> col)

Type Parameters:

D -

Parameters:

col -

Returns:

sum

public static <D extends Number & Comparable<? super D>> ENumber<?> sum(Expr<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>> ENumber<Long> sumAsLong(Expr<D> left)

Type Parameters:

D -

Parameters:

left -

Returns:

sumAsDouble

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

Type Parameters:

D -

Parameters:

left -

Returns: