public interface JexlMethod
 ${foo.bar()}
 | Modifier and Type | Method and Description | 
|---|---|
| Class<?> | getReturnType()returns the return type of the method invoked. | 
| Object | invoke(Object obj,
      Object... params)Invocation method, called when the method invocation should be performed
 and a value returned. | 
| boolean | isCacheable()Specifies if this JexlMethod is cacheable and able to be reused for this
 class of object it was returned for. | 
| boolean | tryFailed(Object rval)Checks whether a tryInvoke return value indicates a failure or not. | 
| Object | tryInvoke(String name,
         Object obj,
         Object... params)Attempts to reuse this JexlMethod, checking that it is compatible with
 the actual set of arguments. | 
Object invoke(Object obj, Object... params) throws Exception
obj - the objectparams - method parameters.Exception - on any error.Object tryInvoke(String name, Object obj, Object... params) throws JexlException.TryFailed
name - the method nameobj - the object to invoke the method uponparams - the method argumentsJexlException.TryFailed - if the underlying method was invoked but threw an exception
 (InvocationTargetException)boolean tryFailed(Object rval)
Usage is : Object r = tryInvoke(...); if (tryFailed(r) {...} else {...}
rval - the value returned by tryInvokeboolean isCacheable()
Class<?> getReturnType()
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