Package org.apache.geode.management

Interface LockServiceMXBean

  • public interface LockServiceMXBean
    MBean that provides access to information and management functionality for a DLockService. Since any number of DLockService objects can be created by a member there may be 0 or more instances of this MBean available.
    Since:
    GemFire 7.0

    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      void becomeLockGrantor()
      Requests that this member become the granter.
      java.lang.String fetchGrantorMember()
      Returns the name of the member which grants the lock.
      int getMemberCount()
      Returns the number of members using this LockService.
      java.lang.String[] getMemberNames()
      Returns a list of names of the members using this LockService.
      java.lang.String getName()
      Returns the name of the lock service.
      boolean isDistributed()
      Returns whether this is a distributed LockService.
      boolean isLockGrantor()
      Returns whether this member is the granter.
      java.lang.String[] listHeldLocks()
      Returns a list of names of the locks held by this member's threads.
      java.util.Map<java.lang.String,​java.lang.String> listThreadsHoldingLock()
      Returns a map of the names of the objects being locked on and the names of the threads holding the locks.

    • Method Detail

      • getName

        java.lang.String getName()
        Returns the name of the lock service.
        Returns:
        the name of the lock service

      • isDistributed

        boolean isDistributed()
        Returns whether this is a distributed LockService.
        Returns:
        True is this is a distributed LockService, false otherwise.

      • getMemberCount

        int getMemberCount()
        Returns the number of members using this LockService.
        Returns:
        the number of members using this LockService

      • fetchGrantorMember

        java.lang.String fetchGrantorMember()
        Returns the name of the member which grants the lock.
        Returns:
        the name of the member which grants the lock

      • getMemberNames

        java.lang.String[] getMemberNames()
        Returns a list of names of the members using this LockService.
        Returns:
        an array of names of the members using this LockService

      • isLockGrantor

        boolean isLockGrantor()
        Returns whether this member is the granter.
        Returns:
        True if this member is the granter, false otherwise.

      • becomeLockGrantor

        void becomeLockGrantor()
        Requests that this member become the granter.

      • listThreadsHoldingLock

        java.util.Map<java.lang.String,​java.lang.String> listThreadsHoldingLock()
        Returns a map of the names of the objects being locked on and the names of the threads holding the locks.
        Returns:
        a map of the names of the objects being locked on and the names of the threads holding the locks

      • listHeldLocks

        java.lang.String[] listHeldLocks()
        Returns a list of names of the locks held by this member's threads.
        Returns:
        an array of names of the locks held by this member's threads