public NonPooledKdbPlusDatabaseClient(KdbPlusConnectionStringBuilder builder)
{
Guard.ThrowIfNull(builder, "builder");
_builder = builder;
Initialize(builder.Server, builder.Port, builder.UserID, builder.Password, builder.BufferSize, builder.SendTimeout, builder.ReceiveTimeout);
}
public override KdbPlusDatabaseClient CreateNewClient(KdbPlusConnectionStringBuilder builder)
{
Guard.ThrowIfNull(builder, "builder");
if (builder.Pooling)
{
return(new PooledKdbPlusDatabaseClient(builder));
}
return(new NonPooledKdbPlusDatabaseClient(builder));
}
/// <summary>
/// Gets the connection.
/// </summary>
/// <returns></returns>
public KdbPlusConnectionStringBuilder GetRandomConnection()
{
lock (_lock)
{
KdbPlusConnectionStringBuilder builder = _connections[_currentIndex];
_currentIndex = (_currentIndex + 1) % _maxValue;
return(builder);
}
}
private void GetClientFromPool(KdbPlusConnectionStringBuilder builder)
{
// get existing pool
try
{
_locker.AcquireReaderLock(-1);
if (_pools.TryGetValue(builder, out _pool))
{
InnerClient = _pool.GetConnection();
return;
}
}
finally
{
_locker.ReleaseReaderLock();
}
// create new pool
try
{
_locker.AcquireWriterLock(-1);
if (!_pools.TryGetValue(builder, out _pool))
{
_pool = Factory.CreatePool(builder);
_pools.Add(builder, _pool);
}
}
finally
{
_locker.ReleaseWriterLock();
}
InnerClient = _pool.GetConnection();
}
/// <summary>
/// Initializes a new instance of the <see cref="DefaultKdbPlusDatabaseClientPool"/> class.
/// </summary>
/// <param name="builder">The builder.</param>
public DefaultKdbPlusDatabaseClientPool(KdbPlusConnectionStringBuilder builder)
{
Guard.ThrowIfNull(builder, "builder");
int minPoolSize = builder.MinPoolSize;
if (minPoolSize < 0)
{
throw new ArgumentException("Value of minPoolSize should be >= 0.");
}
int maxPoolSize = builder.MaxPoolSize;
if (maxPoolSize < minPoolSize || maxPoolSize <= 0)
{
throw new ArgumentException("Value of maxPoolSize should be >= 0 and >= minPoolSize.");
}
int loadBalanceTimeout = builder.LoadBalanceTimeout;
if (loadBalanceTimeout < 0)
{
throw new ArgumentException("Value of loadBalanceTimeout should be >=0.");
}
_builder = builder;
_minPoolSize = minPoolSize;
_maxPoolSize = maxPoolSize;
_loadBalanceTimeout = loadBalanceTimeout;
AppDomain.CurrentDomain.DomainUnload += CurrentDomainUnload;
InitializeConnectionPool();
InitializeConnectionCleaning();
}
/// <summary>
/// Initializes a new instance of the <see cref="PooledKdbPlusDatabaseClient"/> class.
/// To disable connection pooling - use Pooling=false in the connection string.
/// </summary>
/// <param name="builder">The builder.</param>
public PooledKdbPlusDatabaseClient(KdbPlusConnectionStringBuilder builder)
{
Guard.ThrowIfNull(builder, "builder");
GetClientFromPool(builder);
}
/// <summary>
/// Initializes a new instance of the <see cref="KdbPlusConnection"/> class.
/// </summary>
/// <param name="connectionString">The connection string.</param>
public KdbPlusConnection(string connectionString)
{
_builder = new KdbPlusConnectionStringBuilder(connectionString);
}
public override KdbPlusDatabaseClientPool CreatePool(KdbPlusConnectionStringBuilder builder)
{
return(new DefaultKdbPlusDatabaseClientPool(builder));
}
public override KdbPlusDatabaseClient CreatePooledClient(KdbPlusConnectionStringBuilder builder)
{
return(new PooledKdbPlusDatabaseClient(builder));
}
