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## com.ibm.awb.weakref
Class VirtualRef.NullRef

    java.lang.Object
      |
      +--com.ibm.awb.weakref.VirtualRef.NullRef

All Implemented Interfaces:
  Ref

Enclosing class:
  VirtualRef

public class VirtualRef.NullRef
extends java.lang.Object
implements Ref

Constructor Summary
`VirtualRef.NullRef()`

Method Summary
`Ref` | `getRef(VirtualRef vref)`
`java.lang.String` | `getRefClassName()`
`void` | `referenced()`
`void` | `setRef(VirtualRef vref, java.io.ObjectInputStream s)`
`void` | `unreferenced()`
`void` | `writeInfo(java.io.ObjectOutputStream s)`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### VirtualRef.NullRef

    public VirtualRef.NullRef()

Method Detail

### referenced

    public void referenced()

  Specified by:
    `referenced` in interface `Ref`

### unreferenced

    public void unreferenced()

  Specified by:
    `unreferenced` in interface `Ref`

### getRefClassName

    public java.lang.String getRefClassName()

  Specified by:
    `getRefClassName` in interface `Ref`

### getRef

    public Ref getRef(VirtualRef vref)

  Specified by:
    `getRef` in interface `Ref`

### writeInfo

    public void writeInfo(java.io.ObjectOutputStream s)

  Specified by:
    `writeInfo` in interface `Ref`

### setRef

    public void setRef(VirtualRef vref,
                       java.io.ObjectInputStream s)
                throws java.io.IOException,
                       java.lang.ClassNotFoundException

  Specified by:
    `setRef` in interface `Ref`

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