com.sleepycat.je.rep
Class InsufficientReplicasException

java.lang.Object
  java.lang.Throwable
      java.lang.Exception
          java.lang.RuntimeException
              com.sleepycat.je.DatabaseException
                  com.sleepycat.je.OperationFailureException
                      com.sleepycat.je.rep.InsufficientReplicasException

All Implemented Interfaces:

Serializable

public class InsufficientReplicasException
extends OperationFailureException

Thrown by Environment.beginTransaction(com.sleepycat.je.Transaction, com.sleepycat.je.TransactionConfig) and Transaction.commit() when these operations are initiated at a Master which is not in contact with a quorum of Replicas as determined by the Durability.ReplicaAckPolicy that is in effect for the operation.

See Also:

Serialized Form

Constructor Summary

InsufficientReplicasException(com.sleepycat.je.txn.Locker locker, Durability.ReplicaAckPolicy ackPolicy, int requiredAckCount, Set<String> availableReplicas)
Creates a Commit exception.

Method Summary

Set<String>	getAvailableReplicas() Returns the set of Replicas that were in contact with the master at the time of the commit operation.
Durability.ReplicaAckPolicy	getCommitPolicy() Returns the Replica ack policy that was in effect for the transaction.
int	getRequiredNodeCount() Returns the number of nodes that were required to be active in order to satisfy the Replica ack policy.

Methods inherited from class com.sleepycat.je.DatabaseException

getMessage

Methods inherited from class java.lang.Throwable

fillInStackTrace, getCause, getLocalizedMessage, getStackTrace, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

InsufficientReplicasException

public InsufficientReplicasException(com.sleepycat.je.txn.Locker locker,
                                     Durability.ReplicaAckPolicy ackPolicy,
                                     int requiredAckCount,
                                     Set<String> availableReplicas)

Creates a Commit exception.

Parameters:

ackPolicy - the ack policy that could not be implemented

requiredAckCount - the replica acks required to satisfy the policy

availableReplicas - the set of available Replicas

Method Detail

getCommitPolicy

public Durability.ReplicaAckPolicy getCommitPolicy()

Returns the Replica ack policy that was in effect for the transaction.

Returns:

the Replica ack policy

getRequiredNodeCount

public int getRequiredNodeCount()

Returns the number of nodes that were required to be active in order to satisfy the Replica ack policy.

Returns:

the required number of nodes

getAvailableReplicas

public Set<String> getAvailableReplicas()

Returns the set of Replicas that were in contact with the master at the time of the commit operation.

Returns:

a set of Replica node names