public final class FieldGetExecutor extends Object implements JexlPropertyGet
| Modifier and Type | Method and Description | 
|---|---|
| static JexlPropertyGet | discover(Introspector is,
        Class<?> clazz,
        String identifier)Attempts to discover a FieldGetExecutor. | 
| Object | invoke(Object obj)Method used to get the property value of an object. | 
| boolean | isCacheable()Specifies if this JexlPropertyGet is cacheable and able to be reused for
 this class of object it was returned for. | 
| boolean | tryFailed(Object rval)Checks whether a tryInvoke failed or not. | 
| Object | tryInvoke(Object obj,
         Object key)Attempts to reuse this JexlPropertyGet, checking that it is compatible with
 the actual set of arguments. | 
public static JexlPropertyGet discover(Introspector is, Class<?> clazz, String identifier)
is - the introspectorclazz - the class to find the get method fromidentifier - the key to use as an argument to the get methodpublic Object invoke(Object obj) throws Exception
JexlPropertyGetinvoke in interface JexlPropertyGetobj - the object to get the property value from.Exception - on any error.public Object tryInvoke(Object obj, Object key)
JexlPropertyGettryInvoke in interface JexlPropertyGetobj - the object to invoke the property get uponkey - the property key to getpublic boolean tryFailed(Object rval)
JexlPropertyGettryFailed in interface JexlPropertyGetrval - the value returned by tryInvokepublic boolean isCacheable()
JexlPropertyGetisCacheable in interface JexlPropertyGetCopyright © 2001–2021 The Apache Software Foundation. All rights reserved.