public ReplicaUnderRecovery(ReplicaInfo replica, long recoveryId)
: base(replica, replica.GetVolume(), replica.GetDir())
{
// the original replica that needs to be recovered
// recovery id; it is also the generation stamp
// that the replica will be bumped to after recovery
if (replica.GetState() != HdfsServerConstants.ReplicaState.Finalized && replica.GetState
() != HdfsServerConstants.ReplicaState.Rbw && replica.GetState() != HdfsServerConstants.ReplicaState
.Rwr)
{
throw new ArgumentException("Cannot recover replica: " + replica);
}
this.original = replica;
this.recoveryId = recoveryId;
}
/// <exception cref="System.Exception"/>
private static ReplicaInPipeline GetReplica(DataNode datanode, string bpid, HdfsServerConstants.ReplicaState
expectedState)
{
ICollection <ReplicaInfo> replicas = FsDatasetTestUtil.GetReplicas(datanode.GetFSDataset
(), bpid);
for (int i = 0; i < 5 && replicas.Count == 0; i++)
{
Log.Info("wait since replicas.size() == 0; i=" + i);
Sharpen.Thread.Sleep(1000);
}
NUnit.Framework.Assert.AreEqual(1, replicas.Count);
ReplicaInfo r = replicas.GetEnumerator().Next();
NUnit.Framework.Assert.AreEqual(expectedState, r.GetState());
return((ReplicaInPipeline)r);
}
public virtual ReplicaRecoveryInfo CreateInfo()
{
return(new ReplicaRecoveryInfo(original.GetBlockId(), original.GetBytesOnDisk(),
original.GetGenerationStamp(), original.GetState()));
}
