/// <summary>
/// Initialize a new Pool and Cluster instance with the specified contact points.
/// The cluster will be initialized with a default configuration.
/// </summary>
internal MetaCluster(ArrayRig <IPEndPoint> entryPoints, string username = null, string password = null)
{
_lock = new Lock();
Keyspaces = new Dictionary <string, Keyspace>();
// reference the entry points
EntryPoints = entryPoints;
// get the existing type definitions
var typeDefinitions = new Cassandra.Serialization.TypeSerializerDefinitions();
foreach (Type type in Generic.GetTypes <Cassandra.Serialization.TypeSerializer>())
{
// if the type is in the Cassandra assembly - skip
if (type.FullName.StartsWith("Cassandra.Serialization.", StringComparison.Ordinal))
{
continue;
}
// call 'Define' for all type definitions
var methodInfo = typeDefinitions.GetType().GetMethod("Define", BindingFlags.Instance | BindingFlags.Public);
Type baseType = type.BaseType;
while (!baseType.IsGenericType)
{
baseType = baseType.BaseType;
}
methodInfo = methodInfo.MakeGenericMethod(baseType.GetGenericArguments()[0]);
methodInfo.Invoke(typeDefinitions, new [] {
type.GetConstructor(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic, null, CallingConventions.Any, new Type[0], null).Invoke(null)
});
}
// initialize a cluster connection
Builder builder = Cluster.Builder()
.WithTypeSerializers(typeDefinitions)
.WithLoadBalancingPolicy(new LoadBalancer(this))
.WithCompression(CompressionType.Snappy)
.AddContactPoints(entryPoints.ToArray());
if (!string.IsNullOrEmpty(username) && !string.IsNullOrEmpty(password))
{
builder = builder.WithCredentials(username, password);
}
Cluster = builder.Build();
if (Cluster == null)
{
Log.Warning("The cluster builder failed in MetaCluster.");
}
}
//-------------------------------------------//
/// <summary>
/// Initialize a new Cluster instance with the specified contact point addresses.
/// A Cassandra.Cluster will be initialized with a default configuration.
/// </summary>
internal MetaCluster(ArrayRig <string> entryPointAddresses, int port = 0, string username = null, string password = null)
{
_lock = new Lock();
Keyspaces = new Dictionary <string, Keyspace>();
// initialize a collection of end points
EntryPoints = new ArrayRig <IPEndPoint>(entryPointAddresses.Count);
foreach (var entryPointString in entryPointAddresses)
{
IPAddress address;
IPEndPoint endpoint;
if (entryPointString.TryParseEndPoint(out endpoint))
{
EntryPoints.Add(endpoint);
}
else if (port == 0)
{
Log.Warning("An ip address could not be derived : '" + entryPointString + "'.");
}
else if (IPAddress.TryParse(entryPointString, out address))
{
endpoint = new IPEndPoint(address, port);
EntryPoints.Add(endpoint);
}
}
if (EntryPoints.Count == 0)
{
Log.Warning("A cluster wasn't initialized. There were zero valid entry points.");
return;
}
// get the existing type definitions
var typeDefinitions = new Cassandra.Serialization.TypeSerializerDefinitions();
foreach (Type type in Generic.GetTypes <Cassandra.Serialization.TypeSerializer>(type => !type.IsAbstract && !type.IsInterface))
{
// call 'Define' for all type definitions
var methodInfo = typeDefinitions.GetType().GetMethod("Define", BindingFlags.Public);
var types = type.GetGenericArguments();
if (types.Length != 0)
{
methodInfo = methodInfo.MakeGenericMethod(types[0]);
methodInfo.Invoke(typeDefinitions, new [] { Activator.CreateInstance(type, false) });
}
}
// initialize a cluster connection
Builder builder = Cluster.Builder()
.WithTypeSerializers(typeDefinitions)
.WithLoadBalancingPolicy(new LoadBalancer(this))
.WithCompression(CompressionType.Snappy)
.AddContactPoints(EntryPoints.ToArray());
if (!string.IsNullOrEmpty(username) && !string.IsNullOrEmpty(password))
{
builder = builder.WithCredentials(username, password);
}
Cluster = builder.Build();
}
