org.apache.camel.builder
Class PredicateBuilder

java.lang.Object
  org.apache.camel.builder.PredicateBuilder

public final class PredicateBuilder
extends Object

A helper class for working with predicates

Version:

$Revision: 688281 $

Method Summary

static <E extends Exchange> Predicate<E>	and(Predicate<E> left, Predicate<E> right) A helper method to combine multiple predicates by a logical AND
static <E extends Exchange> Predicate<E>	contains(Expression<E> left, Expression<E> right)
static <E extends Exchange> Predicate<E>	isEqualTo(Expression<E> left, Expression<E> right)
static <E extends Exchange> Predicate<E>	isGreaterThan(Expression<E> left, Expression<E> right)
static <E extends Exchange> Predicate<E>	isGreaterThanOrEqualTo(Expression<E> left, Expression<E> right)
static <E extends Exchange> Predicate<E>	isInstanceOf(Expression<E> expression, Class type)
static <E extends Exchange> Predicate<E>	isLessThan(Expression<E> left, Expression<E> right)
static <E extends Exchange> Predicate<E>	isLessThanOrEqualTo(Expression<E> left, Expression<E> right)
static <E extends Exchange> Predicate<E>	isNotEqualTo(Expression<E> left, Expression<E> right)
static <E extends Exchange> Predicate<E>	isNotNull(Expression<E> expression)
static <E extends Exchange> Predicate<E>	isNull(Expression<E> expression)
static <E extends Exchange> Predicate<E>	not(Predicate<E> predicate) A helper method to return the logical not of the given predicate
static <E extends Exchange> Predicate<E>	or(Predicate<E> left, Predicate<E> right) A helper method to combine multiple predicates by a logical OR
static <E extends Exchange> Predicate<E>	regex(Expression<E> expression, Pattern pattern) Returns a predicate which is true if the expression matches the given regular expression
static <E extends Exchange> Predicate<E>	regex(Expression<E> expression, String regex) Returns a predicate which is true if the expression matches the given regular expression
static <E extends Exchange> Predicate<E>	toPredicate(Expression<E> expression) Converts the given expression into an Predicate

Methods inherited from class java.lang.Object

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

Method Detail

toPredicate

public static <E extends Exchange> Predicate<E> toPredicate(Expression<E> expression)

Converts the given expression into an Predicate

not

public static <E extends Exchange> Predicate<E> not(Predicate<E> predicate)

A helper method to return the logical not of the given predicate

and

public static <E extends Exchange> Predicate<E> and(Predicate<E> left,
                                                    Predicate<E> right)

A helper method to combine multiple predicates by a logical AND

or

public static <E extends Exchange> Predicate<E> or(Predicate<E> left,
                                                   Predicate<E> right)

A helper method to combine multiple predicates by a logical OR

isEqualTo

public static <E extends Exchange> Predicate<E> isEqualTo(Expression<E> left,
                                                          Expression<E> right)

isNotEqualTo

public static <E extends Exchange> Predicate<E> isNotEqualTo(Expression<E> left,
                                                             Expression<E> right)

isLessThan

public static <E extends Exchange> Predicate<E> isLessThan(Expression<E> left,
                                                           Expression<E> right)

isLessThanOrEqualTo

public static <E extends Exchange> Predicate<E> isLessThanOrEqualTo(Expression<E> left,
                                                                    Expression<E> right)

isGreaterThan

public static <E extends Exchange> Predicate<E> isGreaterThan(Expression<E> left,
                                                              Expression<E> right)

isGreaterThanOrEqualTo

public static <E extends Exchange> Predicate<E> isGreaterThanOrEqualTo(Expression<E> left,
                                                                       Expression<E> right)

contains

public static <E extends Exchange> Predicate<E> contains(Expression<E> left,
                                                         Expression<E> right)

isNull

public static <E extends Exchange> Predicate<E> isNull(Expression<E> expression)

isNotNull

public static <E extends Exchange> Predicate<E> isNotNull(Expression<E> expression)

isInstanceOf

public static <E extends Exchange> Predicate<E> isInstanceOf(Expression<E> expression,
                                                             Class type)

regex

public static <E extends Exchange> Predicate<E> regex(Expression<E> expression,
                                                      String regex)

Returns a predicate which is true if the expression matches the given regular expression

Parameters:

expression - the expression to evaluate

regex - the regular expression to match against

Returns:

a new predicate

regex

public static <E extends Exchange> Predicate<E> regex(Expression<E> expression,
                                                      Pattern pattern)

Returns a predicate which is true if the expression matches the given regular expression

Parameters:

expression - the expression to evaluate

pattern - the regular expression to match against

Returns:

a new predicate