Class DeniableEventObject

  • All Implemented Interfaces:
    java.io.Serializable
    Direct Known Subclasses:
    MOChangeEvent, MOTableRowEvent, RowStatusEvent

    public class DeniableEventObject
    extends java.util.EventObject
    The DeniableEventObject describes an event that can be canceled through reporting a SNMP error status to the event source.
    Since:
    1.1
    Version:
    1.1
    Author:
    Frank Fock
    See Also:
    Serialized Form
    • Field Summary

      • Fields inherited from class java.util.EventObject

        source
    • Constructor Summary

      Constructors 
      Constructor Description
      DeniableEventObject​(java.lang.Object source, boolean deniable)
      Creates an deniable event instance.
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      int getDenyReason()
      Returns the reason (i.e., SNMPv2/v3 error status) that indicates the error condition that caused this event to be canceled.
      boolean isDeniable()
      Checks whether this event is fired in the preparation phase or the commit phase of the 2PC.
      void setDenyReason​(int denyReason)
      Sets the reason why this event needs to be canceled.
      • Methods inherited from class java.util.EventObject

        getSource, toString
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
    • Constructor Detail

      • DeniableEventObject

        public DeniableEventObject​(java.lang.Object source,
                                   boolean deniable)
        Creates an deniable event instance.
        Parameters:
        source - the event source.
        deniable - if true the event can be canceled by setting its deny reason to a SNMPv2/v3 error status, false if the event cannot be canceled, because, for example, it is fired on behalf of the commit phase of a 2PC transaction.
    • Method Detail

      • setDenyReason

        public void setDenyReason​(int denyReason)
        Sets the reason why this event needs to be canceled. A reason other than zero will cancel the change if it has not been performed yet.
        Parameters:
        denyReason - a SNMPv2/v3 error status.
      • getDenyReason

        public int getDenyReason()
        Returns the reason (i.e., SNMPv2/v3 error status) that indicates the error condition that caused this event to be canceled.
        Returns:
        a SNMP2v/v3 error status.
      • isDeniable

        public boolean isDeniable()
        Checks whether this event is fired in the preparation phase or the commit phase of the 2PC.
        Returns:
        true if the event can be canceled and thus the event has been fired on behalf of the preparation phase and false if it has been fired on behalf of the commit phase.