org.apache.commons.jexl3.internal.introspection.FieldGetExecutor
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java.lang.Object
public final class FieldGetExecutor
A JexlPropertyGet for public fields.
| Method Summary | |
|---|---|
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. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Method Detail |
|---|
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 method
public Object invoke(Object obj)
throws Exception
JexlPropertyGet
invoke in interface JexlPropertyGetobj - the object to get the property value from.
Exception - on any error.
public Object tryInvoke(Object obj,
Object key)
JexlPropertyGet
tryInvoke in interface JexlPropertyGetobj - the object to invoke the property get uponkey - the property key to get
public boolean tryFailed(Object rval)
JexlPropertyGet
tryFailed in interface JexlPropertyGetrval - the value returned by tryInvoke
public boolean isCacheable()
JexlPropertyGet
isCacheable in interface JexlPropertyGet
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