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Java 2 Platform SE v1.3.1: Class ActivationGroupID
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JavaTM 2 Platform
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java.rmi.activation
Class ActivationGroupID

java.lang.Object
  |
  +--java.rmi.activation.ActivationGroupID
All Implemented Interfaces:
Serializable
public class ActivationGroupID
extends Object
implements Serializable

The identifier for a registered activation group serves several purposes:

  • identifies the group uniquely within the activation system, and
  • contains a reference to the group's activation system so that the group can contact its activation system when necessary.

The ActivationGroupID is returned from the call to ActivationSystem.registerGroup and is used to identify the group within the activation system. This group id is passed as one of the arguments to the activation group's special constructor when an activation group is created/recreated.

Since:
1.2
See Also:
ActivationGroup, ActivationGroupDesc, Serialized Form

Constructor Summary
ActivationGroupID(ActivationSystem system)
          Constructs a unique group id.
 
Method Summary
 boolean equals(Object obj)
          Compares two group identifiers for content equality.
 ActivationSystem getSystem()
          Returns the group's activation system.
 int hashCode()
          Returns a hashcode for the group's identifier.
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ActivationGroupID

public ActivationGroupID(ActivationSystem system)
Constructs a unique group id.
Parameters:
system - the group's activation system
Since:
1.2
Method Detail

getSystem

public ActivationSystem getSystem()
Returns the group's activation system.
Returns:
the group's activation system
Since:
1.2

hashCode

public int hashCode()
Returns a hashcode for the group's identifier. Two group identifiers that refer to the same remote group will have the same hash code.
Overrides:
hashCode in class Object
Since:
1.2
See Also:
Hashtable

equals

public boolean equals(Object obj)
Compares two group identifiers for content equality. Returns true if both of the following conditions are true: 1) the unique identifiers are equivalent (by content), and 2) the activation system specified in each refers to the same remote object.
Overrides:
equals in class Object
Parameters:
obj - the Object to compare with
Returns:
true if these Objects are equal; false otherwise.
Since:
1.2
See Also:
Hashtable
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JavaTM 2 Platform
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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

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