java.lang.Object
- org.springframework.aop.target.EmptyTargetSource

All Implemented Interfaces:
Serializable, TargetClassAware, TargetSource
```
public final class EmptyTargetSource
extends Object
implements TargetSource, Serializable
```
Canonical TargetSource when there is no target (or just the target class known), and behavior is supplied by interfaces and advisors only.
Author:
Rod Johnson, Juergen Hoeller
See Also:
Serialized Form

Field Summary
Fields
Modifier and Type Field Description
static EmptyTargetSource INSTANCE
The canonical (Singleton) instance of this EmptyTargetSource.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`equals(Object other)`
`static EmptyTargetSource`	`forClass(Class<?> targetClass)`	Return an EmptyTargetSource for the given target Class.
`static EmptyTargetSource`	`forClass(Class<?> targetClass, boolean isStatic)`	Return an EmptyTargetSource for the given target Class.
`Object`	`getTarget()`	Always returns `null`.
`Class<?>`	`getTargetClass()`	Always returns the specified target Class, or `null` if none.
`int`	`hashCode()`
`boolean`	`isStatic()`	Always returns `true`.
`void`	`releaseTarget(Object target)`	Nothing to release.
`String`	`toString()`

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Field Detail
  - INSTANCE
```
public static final EmptyTargetSource INSTANCE
```
    The canonical (Singleton) instance of this EmptyTargetSource.
- Method Detail
  - forClass
```
public static EmptyTargetSource forClass(@Nullable
                                         Class<?> targetClass)
```
    Return an EmptyTargetSource for the given target Class.
    Parameters:
    targetClass - the target Class (may be null)
    See Also:
    getTargetClass()
  - forClass
```
public static EmptyTargetSource forClass(@Nullable
                                         Class<?> targetClass,
                                         boolean isStatic)
```
    Return an EmptyTargetSource for the given target Class.
    Parameters:
    targetClass - the target Class (may be null)
    isStatic - whether the TargetSource should be marked as static
    See Also:
    getTargetClass()
  - getTargetClass
```
@Nullable
public Class<?> getTargetClass()
```
    Always returns the specified target Class, or null if none.
    Specified by:
    getTargetClass in interface TargetClassAware
    Specified by:
    getTargetClass in interface TargetSource
    Returns:
    the type of targets returned by this TargetSource
  - isStatic
```
public boolean isStatic()
```
    Always returns true.
    Specified by:
    isStatic in interface TargetSource
    Returns:
    true if the target is immutable
    See Also:
    TargetSource.getTarget()
  - getTarget
```
@Nullable
public Object getTarget()
```
    Always returns null.
    Specified by:
    getTarget in interface TargetSource
    Returns:
    the target object which contains the joinpoint, or null if there is no actual target instance
  - releaseTarget
```
public void releaseTarget(Object target)
```
    Nothing to release.
    Specified by:
    releaseTarget in interface TargetSource
    Parameters:
    target - object obtained from a call to TargetSource.getTarget()
  - equals
```
public boolean equals(Object other)
```
    Overrides:
    equals in class Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    hashCode in class Object
  - toString
```
public String toString()
```
    Overrides:
    toString in class Object

Class EmptyTargetSource

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

INSTANCE

Method Detail

forClass

forClass

getTargetClass

isStatic

getTarget

releaseTarget

equals

hashCode

toString