org.databene.script.expression

Class ExpressionUtil

java.lang.Object

org.databene.script.expression.ExpressionUtil

public class ExpressionUtil
extends Object

Provides Expression-related utility methods.

Created at 07.10.2009 22:33:14

Since:

0.5.0

Author:

Volker Bergmann

Constructor Summary

Constructors

Constructor and Description
ExpressionUtil()

Method Summary

Methods

Modifier and Type	Method and Description
static <T> Expression<T>	constant(T value)
static <T> T	evaluate(Expression<T> expression, org.databene.commons.Context context)
static Object[]	evaluateAll(Expression<?>[] expressions, org.databene.commons.Context context)
static List<Object>	evaluateAll(List<Expression<?>> expressions, org.databene.commons.Context context)
static boolean	isNull(Expression<?> ex)
static <T> Expression<T>	simplify(Expression<T> expression, org.databene.commons.Context context)
Expression<String>	unescape(Expression<String> source)

Methods inherited from class java.lang.Object

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

Constructor Detail

ExpressionUtil

public ExpressionUtil()

Method Detail

evaluateAll

public static Object[] evaluateAll(Expression<?>[] expressions,
                   org.databene.commons.Context context)

isNull

public static boolean isNull(Expression<?> ex)

evaluateAll

public static List<Object> evaluateAll(List<Expression<?>> expressions,
                       org.databene.commons.Context context)

evaluate

public static <T> T evaluate(Expression<T> expression,
             org.databene.commons.Context context)

constant

public static <T> Expression<T> constant(T value)

unescape

public Expression<String> unescape(Expression<String> source)

simplify

public static <T> Expression<T> simplify(Expression<T> expression,
                         org.databene.commons.Context context)