/// <summary>
/// Use default serialized bin for row in largelist bin.
/// </summary>
private void RunWithDefaultSerializedBin(AerospikeClient client, Arguments args)
{
Key key = new Key(args.ns, args.set, "accountId");
object value1 = new CompoundObject("IBM", 100);
object value2 = new CompoundObject("GE", 500);
object value3 = new CompoundObject("AAPL", 75);
// Delete record if it already exists.
client.Delete(args.writePolicy, key);
// Initialize large list operator.
Aerospike.Client.LargeList list = client.GetLargeList(args.writePolicy, key, "trades");
// Write trades
Dictionary <string, Value> dict = new Dictionary <string, Value>();
DateTime timestamp1 = new DateTime(2014, 6, 25, 12, 18, 43);
dict["key"] = Value.Get(timestamp1.Ticks);
dict["value"] = Value.Get(value1);
list.Add(Value.Get(dict));
DateTime timestamp2 = new DateTime(2014, 6, 26, 9, 33, 17);
dict["key"] = Value.Get(timestamp2.Ticks);
dict["value"] = Value.Get(value2);
list.Add(Value.Get(dict));
DateTime timestamp3 = new DateTime(2014, 6, 27, 14, 40, 19);
dict["key"] = Value.Get(timestamp3.Ticks);
dict["value"] = Value.Get(value3);
list.Add(Value.Get(dict));
// Verify list size
int size = list.Size();
if (size != 3)
{
throw new Exception("List size mismatch. Expected 3 Received " + size);
}
// Filter on range of timestamps
DateTime begin = new DateTime(2014, 6, 26);
DateTime end = new DateTime(2014, 6, 28);
IList results = list.Range(Value.Get(begin.Ticks), Value.Get(end.Ticks));
if (results.Count != 2)
{
throw new Exception("Query results size mismatch. Expected 2 Received " + results.Count);
}
// Verify data.
ValidateDefault(results, 0, timestamp2, value2);
ValidateDefault(results, 1, timestamp3, value3);
console.Info("Data matched.");
}
/// <summary>
/// Simple examples of large list functionality.
/// </summary>
private void RunSimpleExample(AerospikeClient client, Arguments args)
{
Key key = new Key(args.ns, args.set, "setkey");
string binName = args.GetBinName("ListBin");
// Delete record if it already exists.
client.Delete(args.writePolicy, key);
// Initialize large set operator.
Aerospike.Client.LargeList llist = client.GetLargeList(args.writePolicy, key, binName);
string orig1 = "llistValue1";
string orig2 = "llistValue2";
string orig3 = "llistValue3";
// Write values.
llist.Add(Value.Get(orig1));
llist.Add(Value.Get(orig2));
llist.Add(Value.Get(orig3));
IDictionary map = llist.GetConfig();
foreach (DictionaryEntry entry in map)
{
console.Info(entry.Key.ToString() + ',' + entry.Value);
}
IList rangeList = llist.Range(Value.Get(orig2), Value.Get(orig3));
if (rangeList == null)
{
throw new Exception("Range returned null.");
}
if (rangeList.Count != 2)
{
throw new Exception("Range Size mismatch. Expected 2 Received " + rangeList.Count);
}
string v2 = (string)rangeList[0];
string v3 = (string)rangeList[1];
if (v2.Equals(orig2) && v3.Equals(orig3))
{
console.Info("Range Query matched: v2=" + orig2 + " v3=" + orig3);
}
else
{
throw new Exception("Range Content mismatch. Expected (" + orig2 + ":" + orig3 +
") Received (" + v2 + ":" + v3 + ")");
}
// Remove last value.
llist.Remove(Value.Get(orig3));
int size = llist.Size();
if (size != 2)
{
throw new Exception("Size mismatch. Expected 2 Received " + size);
}
IList listReceived = llist.Find(Value.Get(orig2));
string expected = orig2;
if (listReceived == null)
{
console.Error("Data mismatch: Expected " + expected + " Received null");
return;
}
string stringReceived = (string)listReceived[0];
if (stringReceived != null && stringReceived.Equals(expected))
{
console.Info("Data matched: namespace=" + key.ns + " set=" + key.setName + " key=" + key.userKey +
" value=" + stringReceived);
}
else
{
console.Error("Data mismatch: Expected " + expected + " Received " + stringReceived);
}
}
/// <summary>
/// Use serialized bin for row in largelist bin.
/// </summary>
private void RunWithSerializedBin(AerospikeClient client, Arguments args)
{
Key key = new Key(args.ns, args.set, "accountId");
// Delete record if it already exists.
client.Delete(args.writePolicy, key);
// Initialize large list operator.
Aerospike.Client.LargeList list = client.GetLargeList(args.writePolicy, key, "trades");
// Write trades
Dictionary <string, Value> dict = new Dictionary <string, Value>();
MemoryStream ms = new MemoryStream(500);
DateTime timestamp1 = new DateTime(2014, 6, 25, 12, 18, 43);
dict["key"] = Value.Get(timestamp1.Ticks);
BinaryWriter writer = new BinaryWriter(ms);
writer.Write("IBM"); // ticker
writer.Write(100); // qty
writer.Write(181.82); // price
dict["value"] = Value.Get(ms.ToArray());
list.Add(Value.Get(dict));
DateTime timestamp2 = new DateTime(2014, 6, 26, 9, 33, 17);
dict["key"] = Value.Get(timestamp2.Ticks);
ms.SetLength(0);
writer = new BinaryWriter(ms);
writer.Write("GE"); // ticker
writer.Write(500); // qty
writer.Write(26.36); // price
dict["value"] = Value.Get(ms.ToArray());
list.Add(Value.Get(dict));
DateTime timestamp3 = new DateTime(2014, 6, 27, 14, 40, 19);
dict["key"] = Value.Get(timestamp3.Ticks);
ms.SetLength(0);
writer = new BinaryWriter(ms);
writer.Write("AAPL"); // ticker
writer.Write(75); // qty
writer.Write(91.85); // price
dict["value"] = Value.Get(ms.ToArray());
list.Add(Value.Get(dict));
// Verify list size
int size = list.Size();
if (size != 3)
{
throw new Exception("List size mismatch. Expected 3 Received " + size);
}
// Filter on range of timestamps
DateTime begin = new DateTime(2014, 6, 26);
DateTime end = new DateTime(2014, 6, 28);
IList results = list.Range(Value.Get(begin.Ticks), Value.Get(end.Ticks));
if (results.Count != 2)
{
throw new Exception("Query results size mismatch. Expected 2 Received " + results.Count);
}
// Verify data.
ValidateWithSerializedBin(results, 0, timestamp2, "GE", 500, 26.36);
ValidateWithSerializedBin(results, 1, timestamp3, "AAPL", 75, 91.85);
console.Info("Data matched.");
}
/// <summary>
/// Use distinct sub-bins for row in largelist bin.
/// </summary>
private void RunWithDistinctBins(AerospikeClient client, Arguments args)
{
Key key = new Key(args.ns, args.set, "accountId");
// Delete record if it already exists.
client.Delete(args.writePolicy, key);
// Initialize large list operator.
Aerospike.Client.LargeList list = client.GetLargeList(args.writePolicy, key, "trades");
// Write trades
Dictionary <string, Value> dict = new Dictionary <string, Value>();
DateTime timestamp1 = new DateTime(2014, 6, 25, 12, 18, 43);
dict["key"] = Value.Get(timestamp1.Ticks);
dict["ticker"] = Value.Get("IBM");
dict["qty"] = Value.Get(100);
dict["price"] = Value.Get(BitConverter.GetBytes(181.82));
list.Add(Value.Get(dict));
DateTime timestamp2 = new DateTime(2014, 6, 26, 9, 33, 17);
dict["key"] = Value.Get(timestamp2.Ticks);
dict["ticker"] = Value.Get("GE");
dict["qty"] = Value.Get(500);
dict["price"] = Value.Get(BitConverter.GetBytes(26.36));
list.Add(Value.Get(dict));
DateTime timestamp3 = new DateTime(2014, 6, 27, 14, 40, 19);
dict["key"] = Value.Get(timestamp3.Ticks);
dict["ticker"] = Value.Get("AAPL");
dict["qty"] = Value.Get(75);
dict["price"] = Value.Get(BitConverter.GetBytes(91.85));
list.Add(Value.Get(dict));
// Verify list size
int size = list.Size();
if (size != 3)
{
throw new Exception("List size mismatch. Expected 3 Received " + size);
}
// Filter on range of timestamps
DateTime begin = new DateTime(2014, 6, 26);
DateTime end = new DateTime(2014, 6, 28);
IList results = list.Range(Value.Get(begin.Ticks), Value.Get(end.Ticks));
if (results.Count != 2)
{
throw new Exception("Query results size mismatch. Expected 2 Received " + results.Count);
}
// Verify data.
ValidateWithDistinctBins(results, 0, timestamp2, "GE", 500, 26.36);
ValidateWithDistinctBins(results, 1, timestamp3, "AAPL", 75, 91.85);
console.Info("Data matched.");
console.Info("Run large list scan.");
IList rows = list.Scan();
foreach (IDictionary row in rows)
{
foreach (DictionaryEntry entry in row)
{
//console.Info(entry.Key.ToString());
//console.Info(entry.Value.ToString());
}
}
console.Info("Large list scan complete.");
}