org.mule.el.mvel
Class MVELExpressionExecutor

java.lang.Object
  org.mule.el.mvel.MVELExpressionExecutor

All Implemented Interfaces:

ExpressionExecutor<MVELExpressionLanguageContext>

public class MVELExpressionExecutor
extends Object
implements ExpressionExecutor<MVELExpressionLanguageContext>

Field Summary

protected static int	COMPILED_EXPRESSION_MAX_CACHE_SIZE
protected LRUMap	compiledExpressionsCache
protected org.mvel2.ParserContext	parserContext

Constructor Summary

MVELExpressionExecutor(org.mvel2.ParserContext parserContext)

Method Summary

Object	execute(String expression, MVELExpressionLanguageContext context) Execute an expression using using the provided context.
protected Serializable	getCompiledExpression(String expression) Compile an expression.
void	validate(String expression) Validate the expression

Methods inherited from class java.lang.Object

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

Field Detail

COMPILED_EXPRESSION_MAX_CACHE_SIZE

protected static final int COMPILED_EXPRESSION_MAX_CACHE_SIZE

See Also:

Constant Field Values

parserContext

protected org.mvel2.ParserContext parserContext

compiledExpressionsCache

protected LRUMap compiledExpressionsCache

Constructor Detail

MVELExpressionExecutor

public MVELExpressionExecutor(org.mvel2.ParserContext parserContext)

Method Detail

execute

public Object execute(String expression,
                      MVELExpressionLanguageContext context)

Description copied from interface: ExpressionExecutor

Execute an expression using using the provided context.

Specified by:

execute in interface ExpressionExecutor<MVELExpressionLanguageContext>

Returns:

validate

public void validate(String expression)
              throws InvalidExpressionException

Description copied from interface: ExpressionExecutor

Validate the expression

Specified by:

validate in interface ExpressionExecutor<MVELExpressionLanguageContext>

Throws:

InvalidExpressionException

getCompiledExpression

protected Serializable getCompiledExpression(String expression)

Compile an expression. If such expression was compiled before then return the compilation output from a cache.

Parameters:

expression - Expression to be compiled

Returns:

A Serializable object representing the compiled expression