本文整理汇总了C#中CassandraContext.OpenSession方法的典型用法代码示例。如果您正苦于以下问题：C# CassandraContext.OpenSession方法的具体用法？C# CassandraContext.OpenSession怎么用？C# CassandraContext.OpenSession使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类CassandraContext的用法示例。
在下文中一共展示了CassandraContext.OpenSession方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: CassandraDatabaseSetup
public CassandraDatabaseSetup(bool volitile = false)
{
var keyspaceName = "Testing";
var server = new Server("localhost");
DB = new CassandraContext(keyspaceName, server);
DB.ThrowErrors = true;
var exists = DB.KeyspaceExists(keyspaceName);
Users = new[] {
new User { Id = 1, Name = "Darren Gemmell", Email = "[email protected]", Age = 32 },
new User { Id = 2, Name = "Fernando Laubscher", Email = "[email protected]", Age = 23 },
new User { Id = 3, Name = "Cody Millhouse", Email = "[email protected]", Age = 56 },
new User { Id = 4, Name = "Emilia Thibert", Email = "[email protected]", Age = 67 },
new User { Id = 5, Name = "Allyson Schurr", Email = "[email protected]", Age = 21 }
};
Family = DB.GetColumnFamily<AsciiType>("Standard");
SuperFamily = DB.GetColumnFamily<AsciiType, AsciiType>("Super");
UserFamily = DB.GetColumnFamily("Users");
if (exists && !volitile)
return;
using (var session = DB.OpenSession())
{
if (exists)
DB.DropKeyspace(keyspaceName);
var keyspace = new CassandraKeyspace(new CassandraKeyspaceSchema { Name = keyspaceName, Strategy = CassandraKeyspaceSchema.ReplicaPlacementStrategySimple, ReplicationFactor = 1 }, DB);
DB.Keyspace = keyspace;
keyspace.TryCreateSelf();
keyspace.TryCreateColumnFamily<AsciiType>("Standard");
keyspace.TryCreateColumnFamily<AsciiType, AsciiType>("Super");
keyspace.TryCreateColumnFamily<AsciiType>("StandardAsciiType");
keyspace.TryCreateColumnFamily<BytesType>("StandardBytesType");
keyspace.TryCreateColumnFamily<IntegerType>("StandardIntegerType");
keyspace.TryCreateColumnFamily<LexicalUUIDType>("StandardLexicalUUIDType");
keyspace.TryCreateColumnFamily<LongType>("StandardLongType");
keyspace.TryCreateColumnFamily<TimeUUIDType>("StandardTimeUUIDType");
keyspace.TryCreateColumnFamily<UTF8Type>("StandardUTF8Type");
keyspace.TryCreateColumnFamily<UUIDType>("StandardUUIDType");
keyspace.TryCreateColumnFamily<CompositeType<LongType, UTF8Type>>("StandardCompositeType");
keyspace.TryCreateColumnFamily<DynamicCompositeType>("StandardDynamicCompositeType");
Family = DB.GetColumnFamily<AsciiType>("Standard");
SuperFamily = DB.GetColumnFamily<AsciiType, AsciiType>("Super");
Family.InsertColumn(TestKey1, "Test1", Math.PI);
Family.InsertColumn(TestKey1, "Test2", Math.PI);
Family.InsertColumn(TestKey1, "Test3", Math.PI);
SuperFamily.InsertColumn(TestKey1, TestSuperName, "Test1", Math.PI);
SuperFamily.InsertColumn(TestKey1, TestSuperName, "Test2", Math.PI);
SuperFamily.InsertColumn(TestKey1, TestSuperName, "Test3", Math.PI);
Family.InsertColumn(TestKey2, "Test1", Math.PI);
Family.InsertColumn(TestKey2, "Test2", Math.PI);
Family.InsertColumn(TestKey2, "Test3", Math.PI);
SuperFamily.InsertColumn(TestKey2, TestSuperName, "Test1", Math.PI);
SuperFamily.InsertColumn(TestKey2, TestSuperName, "Test2", Math.PI);
SuperFamily.InsertColumn(TestKey2, TestSuperName, "Test3", Math.PI);
DB.ExecuteNonQuery(@"
CREATE COLUMNFAMILY Users (
KEY int PRIMARY KEY,
Name ascii,
Email ascii,
Age int
);");
DB.ExecuteNonQuery(@"CREATE INDEX User_Age ON Users (Age);");
DB.Keyspace.ClearCachedKeyspaceSchema();
UserFamily = DB.GetColumnFamily("Users");
foreach (var user in Users)
{
dynamic record = UserFamily.CreateRecord(user.Id);
record.Name = user.Name;
record.Email = user.Email;
record.Age = user.Age;
DB.Attach(record);
}
DB.SaveChanges();
}
}