public override Task <lockReply> LockObject(lockRequest request, ServerCallContext context)
{
lock (this)
{
this.current_key = new DataStoreKey(request.PartitionId, request.ObjectId);
Partition p = server.getPartition(request.PartitionId);
p.lockObject(current_key, true);
}
return(Task.FromResult(new lockReply()));
}
public override Task <NewValueReply> WriteNewValue(NewValueRequest request, ServerCallContext context)
{
Partition partition = server.getPartition(current_key.partition_id);
DataStoreValue value = new DataStoreValue();
value.val = request.Val;
partition.addNewOrUpdateExisting(current_key, value);
partition.lockObject(current_key, false);
return(Task.FromResult(new NewValueReply
{
Ok = true
}));
}
public void doWork()
{
Partition partition = server.getPartition(request.ObjectKey.PartitionId);
Dictionary <string, ServerCommunicationService.ServerCommunicationServiceClient> PartitionReplicas = partition.getReplicas();
atomicWriteLocallyAndUpdateClock(partition);
int clock = partition.getClock();
Console.WriteLine(">>> PartitionClock=" + clock);
Console.WriteLine(">>> Start Updating value and clock on replicas...");
WriteReply reply = write_new_value_replicas(PartitionReplicas, request, clock);
server.setWriteResult(request, reply);
}
public ReadReply ReadHandler(ReadRequest request)
{
Partition partition = server.getPartition(request.ObjectKey.PartitionId);
int partitionClock = partition.getClock();
Console.WriteLine(">>> PartitionName=" + request.ObjectKey.PartitionId + ", PartitionClock=" + partitionClock);
ReadReply reply;
try
{
DataStoreValue value = partition.getData(new DataStoreKey(request.ObjectKey.PartitionId, request.ObjectKey.ObjectId));
reply = new ReadReply
{
Object = new DataStoreValueDto {
Val = value.val
},
ObjectExists = true,
PartitionClock = partitionClock
};
}
catch (Exception)
{
reply = new ReadReply
{
Object = new DataStoreValueDto {
Val = "NA"
},
ObjectExists = false,
PartitionClock = partitionClock
};
}
return(reply);
}
public ReadReply ReadHandler(ReadRequest request)
{
Partition partition = server.getPartition(request.ObjectKey.PartitionId);
ReadReply reply = null;
try
{
DataStoreValue value = partition.getData(new DataStoreKey(request.ObjectKey.PartitionId, request.ObjectKey.ObjectId));
reply = new ReadReply
{
Object = new DataStoreValueDto {
Val = value.val
},
ObjectExists = true
};
}
catch (Exception)
{
reply = new ReadReply
{
Object = new DataStoreValueDto {
Val = "NA"
},
ObjectExists = false
};
}
return(reply);
}
public void doWork()
{
Partition partition = server.getPartition(request.ObjectKey.PartitionId);
Dictionary <string, ServerCommunicationService.ServerCommunicationServiceClient> PartitionReplicas = partition.getReplicas();
lockReplicas(PartitionReplicas, this.request.ObjectKey);
write_new_value_locally(partition, request);
WriteReply reply = write_new_value_replicas(PartitionReplicas, request);
server.setWriteResult(request, reply);
}