public KsDef Describe(Server server)
{
if (_cachedKeyspaceDescription == null)
_cachedKeyspaceDescription = CassandraSession.GetKeyspace(server, KeyspaceName);
return _cachedKeyspaceDescription;
}
public string AddColumnFamily(Server server, CfDef definition)
{
_cachedKeyspaceDescription = null;
using (var session = new CassandraSession(new ConnectionBuilder(KeyspaceName, server.Host, server.Port)))
return session.GetClient().system_add_column_family(definition);
}
public CassandraKeyspaceSchema(KsDef def)
{
Name = def.Name;
Strategy = def.Strategy_class;
ReplicationFactor = def.Replication_factor;
ColumnFamilies = def.Cf_defs.Select(family => new CassandraColumnFamilySchema(family)).ToList();
}
public CassandraKeyspaceSchema(KsDef def)
{
Name = def.Name;
Strategy = def.Strategy_class;
StrategyOptions = def.Strategy_options ?? new Dictionary<string, string>();
ColumnFamilies = def.Cf_defs.Select(family => new CassandraColumnFamilySchema(family)).ToList();
DurableWrites = def.Durable_writes;
}
public CassandraKeyspace(KsDef definition)
{
if (definition == null)
throw new ArgumentNullException("definition");
_keyspaceName = definition.Name;
_cachedKeyspaceDescription = definition;
}
private void KeySpaceTree_AfterLabelEdit(object sender, NodeLabelEditEventArgs e)
{
List<CfDef> cfDefs = new List<CfDef>();
CfDef cfDef = new CfDef();
cfDef.Name = "Test";
cfDef.Keyspace = e.Node.Text;
cfDef.Column_type = "Standard";
cfDefs.Add(cfDef);
KsDef keySpaceDef = new KsDef();
keySpaceDef.Name = e.Node.Text;
keySpaceDef.Replication_factor = 1;
keySpaceDef.Strategy_class = "org.apache.cassandra.locator.RackUnawareStrategy";
keySpaceDef.Cf_defs = cfDefs;
client.system_add_keyspace(keySpaceDef);
// Data bind in future
populateTreeView();
}
public void Read(TProtocol iprot)
{
TField field;
iprot.ReadStructBegin();
while (true)
{
field = iprot.ReadFieldBegin();
if (field.Type == TType.Stop) {
break;
}
switch (field.ID)
{
case 1:
if (field.Type == TType.Struct) {
Ks_def = new KsDef();
Ks_def.Read(iprot);
} else {
TProtocolUtil.Skip(iprot, field.Type);
}
break;
default:
TProtocolUtil.Skip(iprot, field.Type);
break;
}
iprot.ReadFieldEnd();
}
iprot.ReadStructEnd();
}
public static string UpdateKeyspace(Server server, KsDef definition)
{
using (var session = new CassandraSession(new ConnectionBuilder(null, server.Host, server.Port)))
return session.GetClient(setKeyspace: false).system_update_keyspace(definition);
}
private void CreateKeyspaceAndColumnFamily()
{
List<CfDef> cfDefList = new List<CfDef>();
cfDefList.Add(CreateCfDef());
try
{
KsDef ksDef = new KsDef();
ksDef.Name = LevelMapping.KeyspaceName;
ksDef.Strategy_class = LevelMapping.PlacementStrategy;
ksDef.Cf_defs = cfDefList;
var strategyOptions = LevelMapping.GetStrategyOptions();
if (LevelMapping.PlacementStrategy.Equals("org.apache.cassandra.locator.SimpleStrategy") && !strategyOptions.ContainsKey("replication_factor"))
strategyOptions.Add("replication_factor", LevelMapping.ReplicationFactor.ToString());
ksDef.Strategy_options = strategyOptions;
this.client.system_add_keyspace(ksDef);
int magnitude = this.client.describe_ring(LevelMapping.KeyspaceName).Count;
Thread.Sleep(1000 * magnitude);
}
catch (Exception exception)
{
throw exception;
}
}
private Boolean CheckForColumnFamily(KsDef ksDef)
{
Boolean exists = false;
foreach (CfDef cfDef in ksDef.Cf_defs)
{
if (cfDef.Name.Equals(LevelMapping.ColumnFamily))
{
exists = true;
break;
}
}
return exists;
}
public void send_system_update_keyspace(KsDef ks_def)
#endif
{
oprot_.WriteMessageBegin(new TMessage("system_update_keyspace", TMessageType.Call, seqid_));
system_update_keyspace_args args = new system_update_keyspace_args();
args.Ks_def = ks_def;
args.Write(oprot_);
oprot_.WriteMessageEnd();
#if SILVERLIGHT
return oprot_.Transport.BeginFlush(callback, state);
#else
oprot_.Transport.Flush();
#endif
}
public void Read(TProtocol iprot)
{
TField field;
iprot.ReadStructBegin();
while (true)
{
field = iprot.ReadFieldBegin();
if (field.Type == TType.Stop) {
break;
}
switch (field.ID)
{
case 0:
if (field.Type == TType.List) {
{
Success = new List<KsDef>();
TList _list140 = iprot.ReadListBegin();
for( int _i141 = 0; _i141 < _list140.Count; ++_i141)
{
KsDef _elem142 = new KsDef();
_elem142 = new KsDef();
_elem142.Read(iprot);
Success.Add(_elem142);
}
iprot.ReadListEnd();
}
} else {
TProtocolUtil.Skip(iprot, field.Type);
}
break;
case 1:
if (field.Type == TType.Struct) {
Ire = new InvalidRequestException();
Ire.Read(iprot);
} else {
TProtocolUtil.Skip(iprot, field.Type);
}
break;
default:
TProtocolUtil.Skip(iprot, field.Type);
break;
}
iprot.ReadFieldEnd();
}
iprot.ReadStructEnd();
}
public IAsyncResult Begin_system_update_keyspace(AsyncCallback callback, object state, KsDef ks_def)
{
return send_system_update_keyspace(callback, state, ks_def);
}
public string DropColumnFamily(Server server, string columnFamily)
{
_cachedKeyspaceDescription = null;
using (var session = new CassandraSession(new ConnectionBuilder(KeyspaceName, server.Host, server.Port)))
return session.GetClient().system_drop_column_family(columnFamily);
}
private KsDef CreateTmpKs()
{
KsDef tmpKs = new KsDef();
tmpKs.Name = "proxy_client_ks";
tmpKs.Strategy_class = "org.apache.cassandra.locator.SimpleStrategy";
tmpKs.Strategy_options = new Dictionary<String, String>();
tmpKs.Strategy_options.Add("replication_factor", "1");
this.client.system_add_keyspace(tmpKs);
return tmpKs;
}
public void send_system_update_keyspace(KsDef ks_def)
{
oprot_.WriteMessageBegin(new TMessage("system_update_keyspace", TMessageType.Call, seqid_));
system_update_keyspace_args args = new system_update_keyspace_args();
args.Ks_def = ks_def;
args.Write(oprot_);
oprot_.WriteMessageEnd();
oprot_.Transport.Flush();
}
public string system_update_keyspace(KsDef ks_def)
{
send_system_update_keyspace(ks_def);
return recv_system_update_keyspace();
}
/// <summary>
/// updates properties of a keyspace. returns the new schema id.
/// </summary>
/// <param name="ks_def"></param>
public string system_update_keyspace(KsDef ks_def)
{
#if !SILVERLIGHT
send_system_update_keyspace(ks_def);
return recv_system_update_keyspace();
#else
var asyncResult = Begin_system_update_keyspace(null, null, ks_def);
return End_system_update_keyspace(asyncResult);
#endif
}
public void Read(TProtocol iprot)
{
TField field;
iprot.ReadStructBegin();
while (true)
{
field = iprot.ReadFieldBegin();
if (field.Type == TType.Stop) {
break;
}
switch (field.ID)
{
case 0:
if (field.Type == TType.Struct) {
Success = new KsDef();
Success.Read(iprot);
} else {
TProtocolUtil.Skip(iprot, field.Type);
}
break;
case 1:
if (field.Type == TType.Struct) {
Nfe = new NotFoundException();
Nfe.Read(iprot);
} else {
TProtocolUtil.Skip(iprot, field.Type);
}
break;
case 2:
if (field.Type == TType.Struct) {
Ire = new InvalidRequestException();
Ire.Read(iprot);
} else {
TProtocolUtil.Skip(iprot, field.Type);
}
break;
default:
TProtocolUtil.Skip(iprot, field.Type);
break;
}
iprot.ReadFieldEnd();
}
iprot.ReadStructEnd();
}
public IAsyncResult send_system_update_keyspace(AsyncCallback callback, object state, KsDef ks_def)