public ConfigurationProvider()
{
// Transaction Flushing
TransactionFlushTripleCount = DefaultTransactionFlushTripleCount;
// ResourceCacheLimit
ResourceCacheLimit = DefaultResourceCacheLimit;
// Connection String
ConnectionString = null;
// Query Caching
QueryCache = GetQueryCache(true, DefaultQueryCacheMemory);
// Persistence Type
PersistenceType = DefaultPersistenceType;
// Page Cache Size
PageCacheSize = DefaultPageCacheSize;
// StatsUpdate properties
StatsUpdateTransactionCount = DefaultStatsUpdateTransactionCount;
StatsUpdateTimespan = DefaultStatsUpdateTimespan;
// Cache Preload Configuration
var preloadConfig = new PageCachePreloadConfiguration
{
DefaultCacheRatio = DefaultPreloadCacheRatio,
Enabled = DefaultPreloadCacheEnabled
};
EmbeddedServiceConfiguration = new EmbeddedServiceConfiguration(preloadConfig, false);
}
///<summary>
/// Gets a client based on the connection string specified in the configuration.
///</summary>
/// <param name="serviceConfigurationOptions">OPTIONAL: Additional configuration options that apply only when creating an embedded service instance.</param>
///<returns>A new Brightstar service client</returns>
public static IBrightstarService GetClient(EmbeddedServiceConfiguration serviceConfigurationOptions = null)
{
var configuration = Configuration.ConnectionString;
if(String.IsNullOrEmpty(configuration))
{
throw new BrightstarClientException(Strings.BrightstarServiceClient_NoConnectionStringConfiguration);
}
// use connection string in config
return GetClient(new ConnectionString(Configuration.ConnectionString), serviceConfigurationOptions);
}
/// <summary>
/// Create a new instance of the context that attaches to the specified directory location
/// </summary>
/// <param name="connectionString">The Brightstar service connection string</param>
/// <param name="serviceConfigurationOptions">OPTIONAL: Additional configuration options specific to an embedded store. If a
/// value is provided, it overrides any configuration read from the brightstar section of the application's app.config or web.config file.</param>
/// <remarks>The data context is thread-safe but doesn't support concurrent access to the same base location by multiple
/// instances. You should ensure in your code that only one EmbeddedDataObjectContext instance is connected to any given base location
/// at a given time.</remarks>
public EmbeddedDataObjectContext(ConnectionString connectionString, EmbeddedServiceConfiguration serviceConfigurationOptions = null)
{
if (connectionString == null) throw new ArgumentNullException("connectionString");
if (connectionString.Type != ConnectionType.Embedded) throw new ArgumentException("Invalid connection type", "connectionString");
if (serviceConfigurationOptions == null) serviceConfigurationOptions = Configuration.EmbeddedServiceConfiguration;
_serverCore = ServerCoreManager.GetServerCore(
connectionString.StoresDirectory,
serviceConfigurationOptions);
_optimisticLockingEnabled = connectionString.OptimisticLocking;
}
public ConfigurationProvider()
{
PageCacheSize = DefaultPageCacheSize;
ResourceCacheLimit = DefaultResourceCacheLimit;
PersistenceType = PersistenceType.AppendOnly;
QueryCache = new NullCache();
StatsUpdateTimespan = 0;
StatsUpdateTransactionCount = 0;
TransactionFlushTripleCount = 1000;
EmbeddedServiceConfiguration =
new EmbeddedServiceConfiguration(new PageCachePreloadConfiguration {Enabled = false}, false);
}
public static ServerCore GetServerCore(string baseLocation, EmbeddedServiceConfiguration serviceConfiguration)
{
lock (UpdateLock)
{
if (!ServerCores.ContainsKey(baseLocation))
{
var serverCore = new ServerCore(baseLocation, QueryCache, PersistenceType, serviceConfiguration.EnableTransactionLoggingOnNewStores);
if (serviceConfiguration != null && serviceConfiguration.PreloadConfiguration != null)
{
serverCore.Warmup(serviceConfiguration.PreloadConfiguration);
}
ServerCores.Add(baseLocation, serverCore);
}
return ServerCores[baseLocation];
}
}
/// <summary>
/// Creates a configuration section handler.
/// </summary>
/// <returns>
/// The created section handler object.
/// </returns>
/// <param name="parent">Parent object.</param><param name="configContext">Configuration context object.</param><param name="section">Section XML node.</param><filterpriority>2</filterpriority>
public object Create(object parent, object configContext, XmlNode section)
{
if (!(section is XmlElement)) return null;
var ret = new EmbeddedServiceConfiguration();
var sectionEl = section as XmlElement;
var preloadPages = sectionEl.GetElementsByTagName("preloadPages").Item(0) as XmlElement;
if (preloadPages != null)
{
ret.PreloadConfiguration = ProcessPreloadConfiguration(preloadPages);
}
var txnLogging =
sectionEl.GetElementsByTagName("transactionLogging").OfType<XmlElement>().FirstOrDefault();
if (txnLogging != null)
{
ret.EnableTransactionLoggingOnNewStores = IsEnabled(txnLogging);
}
return ret;
}
///<summary>
/// Gets a client based on the connection string parameter
///</summary>
///<param name="connectionString">The connection string</param>
/// <param name="serviceConfigurationOptions">OPTIONAL: Additional configuration options that apply only when creating an embedded service instance.</param>
///<returns>A new Brightstar service client</returns>
public static IBrightstarService GetClient(ConnectionString connectionString, EmbeddedServiceConfiguration serviceConfigurationOptions = null)
{
if (serviceConfigurationOptions == null)
{
serviceConfigurationOptions = new EmbeddedServiceConfiguration();
}
switch (connectionString.Type)
{
case ConnectionType.Embedded:
return new EmbeddedBrightstarService(connectionString.StoresDirectory, serviceConfigurationOptions);
#if !WINDOWS_PHONE
case ConnectionType.Rest:
return GetRestClient(connectionString);
#endif
default:
throw new BrightstarClientException("Unable to create valid context with connection string " +
connectionString.Value);
}
}
/// <summary>
/// Creates a configuration section handler.
/// </summary>
/// <returns>
/// The created section handler object.
/// </returns>
/// <param name="parent">Parent object.</param><param name="configContext">Configuration context object.</param><param name="section">Section XML node.</param><filterpriority>2</filterpriority>
public object Create(object parent, object configContext, XmlNode section)
{
if (!(section is XmlElement))
{
return(null);
}
var ret = new EmbeddedServiceConfiguration();
var sectionEl = section as XmlElement;
var preloadPages = sectionEl.GetElementsByTagName("preloadPages").Item(0) as XmlElement;
if (preloadPages != null)
{
ret.PreloadConfiguration = ProcessPreloadConfiguration(preloadPages);
}
var txnLogging =
sectionEl.GetElementsByTagName("transactionLogging").OfType <XmlElement>().FirstOrDefault();
if (txnLogging != null)
{
ret.EnableTransactionLoggingOnNewStores = IsEnabled(txnLogging);
}
return(ret);
}
/// <summary>
/// Create a new instance of the service that attaches to the specified directory location
/// </summary>
/// <param name="baseLocation">The full path to the location of the directory that contains one or more Brightstar stores</param>
/// <param name="serviceConfigurationOptions">OPTIONAL: Additional configuration options that apply only when creating an embedded service instance.</param>
/// <remarks>The embedded server is thread-safe but doesn't support concurrent access to the same base location by multiple
/// instances. You should ensure in your code that only one EmbeddedBrightstarService instance is connected to any given base location
/// at a given time.</remarks>
public EmbeddedBrightstarService(string baseLocation, EmbeddedServiceConfiguration serviceConfigurationOptions)
{
_serverCore = ServerCoreManager.GetServerCore(
baseLocation,
serviceConfigurationOptions ?? Configuration.EmbeddedServiceConfiguration);
}
public ConfigurationProvider()
{
// Transaction Flushing
TransactionFlushTripleCount = GetApplicationSetting(TxnFlushTriggerPropertyName, 10000);
// ResourceCacheLimit
ResourceCacheLimit = GetApplicationSetting(ResourceCacheLimitName, DefaultResourceCacheLimit);
// Connection String
ConnectionString = GetApplicationSetting(ConnectionStringPropertyName);
// Query Caching
var enableQueryCacheString = GetApplicationSetting(EnableQueryCacheName);
var enableQueryCache = true;
if (!string.IsNullOrEmpty(enableQueryCacheString))
{
enableQueryCache = bool.Parse(enableQueryCacheString);
}
var queryCacheMemory = GetApplicationSetting(QueryCacheMemoryName, DefaultQueryCacheMemory);
QueryCache = GetQueryCache(enableQueryCache, queryCacheMemory);
// Persistence Type
var persistenceTypeSetting = GetApplicationSetting(PersistenceTypeName);
if (!String.IsNullOrEmpty(persistenceTypeSetting))
{
switch (persistenceTypeSetting.ToLowerInvariant())
{
case PersistenceTypeAppendOnly:
PersistenceType = PersistenceType.AppendOnly;
break;
case PersistenceTypeRewrite:
PersistenceType = PersistenceType.Rewrite;
break;
default:
PersistenceType = DefaultPersistenceType;
break;
}
}
else
{
PersistenceType = DefaultPersistenceType;
}
// Page Cache Size
PageCacheSize = GetApplicationSetting(PageCacheSizeName, DefaultPageCacheSize);
// StatsUpdate properties
StatsUpdateTransactionCount = GetApplicationSetting(StatsUpdateTransactionCountName, 0);
StatsUpdateTimespan = GetApplicationSetting(StatsUpdateTimeSpanName, 0);
// Cache Preload Configuration
var preloadConfig = new PageCachePreloadConfiguration
{
DefaultCacheRatio = GetApplicationSetting(CachePreloadRatioName, 0.5m),
Enabled = GetApplicationSetting(CachePreloadEnabledName, false)
};
EmbeddedServiceConfiguration = new EmbeddedServiceConfiguration(preloadConfig, false);
}
///<summary>
/// Gets a client based on the connection string parameter
///</summary>
///<param name="connectionString">The connection string</param>
/// <param name="serviceConfigurationOptions">OPTIONAL: Additional configuration options that apply only when creating an embedded service instance.</param>
///<returns>A new Brightstar service client</returns>
public static IBrightstarService GetClient(string connectionString, EmbeddedServiceConfiguration serviceConfigurationOptions = null)
{
return GetClient(new ConnectionString(connectionString), serviceConfigurationOptions);
}
///<summary>
/// Returns a client for the embededd stores in the specified location
///</summary>
///<param name="baseLocation">The base directory for stores accessed by this client</param>
/// <param name="serviceConfigurationOptions">OPTIONAL: Additional configuration options that apply only when creating an embedded service instance.</param>
///<returns>A new Brightstar service client</returns>
internal static IBrightstarService GetEmbeddedClient(string baseLocation, EmbeddedServiceConfiguration serviceConfigurationOptions = null)
{
return new EmbeddedBrightstarService(baseLocation, serviceConfigurationOptions);
}
