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## cern.colt
Class PersistentObject

    java.lang.Object
      cern.colt.PersistentObject

All Implemented Interfaces:
  Cloneable, Serializable

Direct Known Subclasses:
  AbstractBin, AbstractCollection, AbstractDistribution, AbstractFormatter, AbstractMap, AbstractMatrix, Algebra, Benchmark, BitMatrix, BitVector, DoubleBuffer, DoubleBuffer2D, DoubleBuffer3D, DoubleFactory1D, DoubleFactory2D, DoubleFactory3D, EquiDepthHistogram, IntBuffer, IntBuffer2D, IntBuffer3D, ObjectBuffer, ObjectFactory1D, ObjectFactory2D, ObjectFactory3D, Property, RandomEngine, RandomSampler, RandomSamplingAssistant, RandomSeedGenerator, Sorting, Sorting, Timer, Transform, WeightedRandomSampler

public abstract class PersistentObject
extends Object
implements Serializable, Cloneable

This empty class is the common root for all persistent capable classes. If this class inherits from `java.lang.Object` then all subclasses are serializable with the standard Java serialization mechanism. If this class inherits from `com.objy.db.app.ooObj` then all subclasses are additionally serializable with the Objectivity ODBMS persistance mechanism. Thus, by modifying the inheritance of this class the entire tree of subclasses can be switched to Objectivity compatibility (and back) with minimum effort.

See Also:
  Serialized Form

Field Summary
`static long` | `serialVersionUID`

Method Summary
`Object` | `clone()` Returns a copy of the receiver.

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

Field Detail

### serialVersionUID

    public static final long serialVersionUID

See Also:
  Constant Field Values

Method Detail

### clone

    public Object clone()

  Returns a copy of the receiver. This default implementation does not nothing except making the otherwise `protected` clone method `public`.

  Returns:
    a copy of the receiver.

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