com.mysema.query.types
Class ExpressionUtils

java.lang.Object
  com.mysema.query.types.ExpressionUtils

public final class ExpressionUtils
extends Object

ExpressionUtils provides utilities for constructing common operation instances

Author:

tiwe

Method Summary

static Predicate	allOf(Predicate... exprs)
static Predicate	and(Predicate left, Predicate right)
static Predicate	anyOf(Predicate... exprs)
static <D> Expression<D>	as(Expression<D> source, Path<D> alias)
static <D> Expression<D>	as(Expression<D> source, String alias)
static <D> Predicate	eq(Expression<D> left, Expression<? extends D> right)
static <D> Predicate	eqConst(Expression<D> left, D constant)
static <D> Predicate	in(Expression<D> left, Collection<? extends D> right)
static <D> Predicate	in(Expression<D> left, CollectionExpression<?,? extends D> right)
static Predicate	isNotNull(Expression<?> left)
static Predicate	isNull(Expression<?> left)
static Expression<String>	likeToRegex(Expression<String> expr)
static <D> Predicate	ne(Expression<D> left, Expression<? super D> right)
static <D> Predicate	neConst(Expression<D> left, D constant)
static Predicate	or(Predicate left, Predicate right)
static Expression<String>	regexToLike(Expression<String> expr)

Methods inherited from class java.lang.Object

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

Method Detail

allOf

@Nullable
public static Predicate allOf(Predicate... exprs)

and

public static Predicate and(Predicate left,
                            Predicate right)

anyOf

@Nullable
public static Predicate anyOf(Predicate... exprs)

as

public static <D> Expression<D> as(Expression<D> source,
                                   Path<D> alias)

as

public static <D> Expression<D> as(Expression<D> source,
                                   String alias)

eqConst

public static <D> Predicate eqConst(Expression<D> left,
                                    D constant)

eq

public static <D> Predicate eq(Expression<D> left,
                               Expression<? extends D> right)

in

public static <D> Predicate in(Expression<D> left,
                               CollectionExpression<?,? extends D> right)

in

public static <D> Predicate in(Expression<D> left,
                               Collection<? extends D> right)

isNull

public static Predicate isNull(Expression<?> left)

isNotNull

public static Predicate isNotNull(Expression<?> left)

likeToRegex

public static Expression<String> likeToRegex(Expression<String> expr)

regexToLike

public static Expression<String> regexToLike(Expression<String> expr)

neConst

public static <D> Predicate neConst(Expression<D> left,
                                    D constant)

ne

public static <D> Predicate ne(Expression<D> left,
                               Expression<? super D> right)

or

public static Predicate or(Predicate left,
                           Predicate right)