Package org.apache.commons.jexl2.introspection

Class UberspectImpl.FieldPropertyGet

java.lang.Object

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

All Implemented Interfaces:

JexlPropertyGet

Enclosing class:

UberspectImpl

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

Deprecated.

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

A JexlPropertyGet for public fields.

Constructor Summary

Constructors

Constructor	Description
FieldPropertyGet(java.lang.reflect.Field theField)	Deprecated. Creates a new instance of FieldPropertyGet.

Method Summary

Modifier and Type	Method	Description
java.lang.Object	invoke(java.lang.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(java.lang.Object rval)	Deprecated. Checks whether a tryInvoke failed or not.
java.lang.Object	tryInvoke(java.lang.Object obj, java.lang.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

FieldPropertyGet

public FieldPropertyGet(java.lang.reflect.Field theField)

Deprecated.

Creates a new instance of FieldPropertyGet.

Parameters:

theField - the class public field

Method Detail

invoke

public java.lang.Object invoke(java.lang.Object obj)
                        throws java.lang.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:

java.lang.Exception - on any error.

tryInvoke

public java.lang.Object tryInvoke(java.lang.Object obj,
                                  java.lang.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(java.lang.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