Module org.snmp4j.agent
Package org.snmp4j.agent.mo.lock

Class DefaultMOLockStrategy

java.lang.Object
org.snmp4j.agent.mo.lock.DefaultMOLockStrategy
All Implemented Interfaces:
MOLockStrategy
public class DefaultMOLockStrategy extends Object implements MOLockStrategy
The DefaultMOLockStrategy implements a simple default locking strategy that requires a lock if a write access on a ManagedObject is intended or if the managed object accessed is an instance of UpdatableManagedObject. A managed object server that uses this lock strategy ensures that two concurrently received SET requests will not modify the same managed object at the same time with probably undefined result. In addition, managed objects that need to be updated regularly are protected against access while
Since:
2.4.0
Author:
Frank Fock

  • Constructor Details

    • DefaultMOLockStrategy

      public DefaultMOLockStrategy()

  • Method Details

    • isLockNeeded

      public boolean isLockNeeded(ManagedObject<?> managedObjectLookedUp, MOQuery query)
      Description copied from interface: MOLockStrategy
      Check if the server access to the provided managed object needs a lock.
      Specified by:
      isLockNeeded in interface MOLockStrategy
      Parameters:
      managedObjectLookedUp - the ManagedObject instance that is looked up and potentially accessed.
      query - the query on which behalf the lookup took place. It also signals with MOQuery.isWriteAccessQuery() whether a write access is intended or not.
      Returns:
      true if a lock is required to access the provided managed object, false otherwise.