org.databene.commons.expression
Class ExpressionUtil

java.lang.Object
  org.databene.commons.expression.ExpressionUtil

public class ExpressionUtil
extends java.lang.Object

Provides Expression-related utility methods.

Created at 07.10.2009 22:33:14

Since:

0.5.0

Author:

Volker Bergmann

Constructor Summary

ExpressionUtil()

Method Summary

static <T> Expression<T>	constant(T value)
static <T> T	evaluate(Expression<T> expression, Context context)
static java.lang.Object[]	evaluateAll(Expression<?>[] expressions, Context context)
static java.util.List<java.lang.Object>	evaluateAll(java.util.List<Expression<?>> expressions, Context context)
static boolean	isNull(Expression<?> ex)
static <T> Expression<T>	simplify(Expression<T> expression, Context context)

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 java.lang.Object[] evaluateAll(Expression<?>[] expressions,
                                             Context context)

isNull

public static boolean isNull(Expression<?> ex)

evaluateAll

public static java.util.List<java.lang.Object> evaluateAll(java.util.List<Expression<?>> expressions,
                                                           Context context)

evaluate

public static <T> T evaluate(Expression<T> expression,
                             Context context)

constant

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

simplify

public static <T> Expression<T> simplify(Expression<T> expression,
                                         Context context)