org.apache.commons.jexl2.introspection
Class UberspectImpl.FieldPropertyGet

java.lang.Object
  extended by org.apache.commons.jexl2.introspection.UberspectImpl.FieldPropertyGet
All Implemented Interfaces:
JexlPropertyGet
Enclosing class:
UberspectImpl

Deprecated. Do not use externally - will be made private in a later version

@Deprecated
public static final class UberspectImpl.FieldPropertyGet
extends Object
implements JexlPropertyGet

A JexlPropertyGet for public fields.


Constructor Summary
UberspectImpl.FieldPropertyGet(Field theField)
          Deprecated. Creates a new instance of FieldPropertyGet.
 
Method Summary
 Object invoke(Object obj)
          Deprecated. Method used to get the property value of an object.
 boolean isCacheable()
          Deprecated. Specifies if this JexlPropertyGet is cacheable and able to be reused for this class of object it was returned for.
 boolean tryFailed(Object rval)
          Deprecated. Checks whether a tryInvoke failed or not.
 Object tryInvoke(Object obj, Object key)
          Deprecated. 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
 

Constructor Detail

UberspectImpl.FieldPropertyGet

public UberspectImpl.FieldPropertyGet(Field theField)
Deprecated. 
Creates a new instance of FieldPropertyGet.

Parameters:
theField - the class public field
Method Detail

invoke

public Object invoke(Object obj)
              throws Exception
Deprecated. 
Method used to get the property value of an object.

Specified by:
invoke in interface JexlPropertyGet
Parameters:
obj - the object to get the property value from.
Returns:
the property value.
Throws:
Exception - on any error.

tryInvoke

public Object tryInvoke(Object obj,
                        Object key)
Deprecated. 
Attempts to reuse this JexlPropertyGet, checking that it is compatible with the actual set of arguments.

Specified by:
tryInvoke in interface JexlPropertyGet
Parameters:
obj - the object to invoke the property get upon
key - the property key to get
Returns:
the result of the method invocation that should be checked by tryFailed to determine if it succeeded or failed.

tryFailed

public boolean tryFailed(Object rval)
Deprecated. 
Checks whether a tryInvoke failed or not.

Specified by:
tryFailed in interface JexlPropertyGet
Parameters:
rval - the value returned by tryInvoke
Returns:
true if tryInvoke failed, false otherwise

isCacheable

public boolean isCacheable()
Deprecated. 
Specifies if this JexlPropertyGet is cacheable and able to be reused for this class of object it was returned for.

Specified by:
isCacheable in interface JexlPropertyGet
Returns:
true if can be reused for this class, false if not


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