org.specrunner.expressions.core
Class ExpressionItemValue

java.lang.Object
  org.specrunner.expressions.core.ExpressionItemValue

All Implemented Interfaces:

IExpressionItem

public class ExpressionItemValue
extends Object
implements IExpressionItem

An expression evaluation item.

Author:

Thiago Santos

Field Summary

protected static ThreadLocal<IExpressionItem>

instance Thread safe instance.

Constructor Summary

ExpressionItemValue()

Method Summary

Object	eval(IExpressionFactory factory, String text, IContext context, boolean silent) Defines a generic evaluation method.
static IExpressionItem	get() Singleton method.

Methods inherited from class java.lang.Object

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

Field Detail

instance

protected static ThreadLocal<IExpressionItem> instance

Thread safe instance.

Constructor Detail

ExpressionItemValue

public ExpressionItemValue()

Method Detail

get

public static IExpressionItem get()

Singleton method.

Returns:

An expression item.

eval

public Object eval(IExpressionFactory factory,
                   String text,
                   IContext context,
                   boolean silent)
            throws ExpressionException

Description copied from interface: IExpressionItem

Defines a generic evaluation method.

Specified by:

eval in interface IExpressionItem

Parameters:

factory - A expression factory.

text - The expression text.

context - The test context.

silent - The silent mode.

Returns:

The resulting value.

Throws:

ExpressionException - On expression errors.