//=====================================================================
/// <summary>
/// Constructor
/// </summary>
/// <param name="component">The build component that owns the dictionary. This is useful for logging
/// messages during initialization.</param>
/// <param name="configuration">The target dictionary configuration</param>
/// <param name="connectionString">The connection string to use</param>
/// <param name="groupId">The group ID to use</param>
/// <param name="localCacheSize">The local cache size to use</param>
/// <param name="reload">True to reload the cache or false to leave it alone. This is used to reload
/// project data so that it is always current.</param>
/// <returns>A target dictionary instance that uses a simple in-memory
/// <see cref="Dictionary{TKey, TValue}"/> instance to store the targets.</returns>
public SqlTargetDictionary(BuildComponentCore component, XPathNavigator configuration,
string connectionString, string groupId, int localCacheSize, bool reload) :
base(component, configuration)
{
this.connectionString = connectionString;
base.DictionaryId = groupId;
index = new SqlDictionary<Target>(connectionString, "Targets", "TargetKey", "TargetValue",
"GroupId", groupId)
{
LocalCacheSize = localCacheSize
};
int filesToLoad = 0;
if(reload)
{
filesToLoad = Directory.EnumerateFiles(this.DirectoryPath, this.FilePattern, this.Recurse ?
SearchOption.AllDirectories : SearchOption.TopDirectoryOnly).Count();
}
else
foreach(string file in Directory.EnumerateFiles(this.DirectoryPath, this.FilePattern, this.Recurse ?
SearchOption.AllDirectories : SearchOption.TopDirectoryOnly))
if((this.NamespaceFileFilter.Count == 0 || this.NamespaceFileFilter.Contains(
Path.GetFileName(file))) && !this.ContainsKey("N:" + Path.GetFileNameWithoutExtension(file)))
filesToLoad++;
// Loading new targets can take a while so issue a diagnostic message as an alert. The time estimate
// is a ballpark figure and depends on the system.
if(filesToLoad != 0)
{
component.WriteMessage(MessageLevel.Diagnostic, "{0} file(s) need to be added to the SQL " +
"reflection target cache database. Indexing them will take about {1:N0} minute(s), " +
"please be patient. Cache location: {2}", filesToLoad, Math.Ceiling(filesToLoad / 60.0),
connectionString);
this.LoadTargetDictionary();
}
}
//=====================================================================
/// <summary>
/// Constructor
/// </summary>
/// <param name="component">The build component that owns the dictionary. This is useful for logging
/// messages during initialization.</param>
/// <param name="configuration">The target dictionary configuration</param>
/// <returns>A target dictionary instance that uses a simple in-memory
/// <see cref="Dictionary{TKey, TValue}"/> instance to store the targets.</returns>
public ESentTargetDictionary(BuildComponentCore component, XPathNavigator configuration) :
base(component, configuration)
{
bool noReload = false;
int localCacheSize;
string cachePath = configuration.GetAttribute("cachePath", String.Empty);
if(String.IsNullOrWhiteSpace(cachePath))
throw new ArgumentException("The cachePath attribute must contain a value", "configuration");
string cacheSize = configuration.GetAttribute("localCacheSize", String.Empty);
if(String.IsNullOrWhiteSpace(cacheSize) || !Int32.TryParse(cacheSize, out localCacheSize))
localCacheSize = 1000;
// This is a slightly modified version of Managed ESENT that provides the option to serialize
// reference types. In this case, we don't care about potential issues of persisted copies not
// matching the original if modified as they are never updated once written to the cache. We can
// also turn off column compression for a slight performance increase since it doesn't benefit the
// binary data that is serialized.
PersistentDictionaryFile.AllowReferenceTypeSerialization = true;
index = new PersistentDictionary<string, Target>(cachePath, false)
{ LocalCacheSize = localCacheSize };
string noReloadValue = configuration.GetAttribute("noReload", String.Empty);
// If noReload is true, skip reloading the dictionary if it contains any data. This is used on
// project targets to prevent reloading the data in the reference build if already loaded by the
// conceptual build.
if(!String.IsNullOrWhiteSpace(noReloadValue) && Boolean.TryParse(noReloadValue, out noReload) &&
noReload && index.Count != 0)
return;
// Loading new targets can take a while so issue a diagnostic message as an alert
int filesToLoad = 0;
foreach(string file in Directory.EnumerateFiles(this.DirectoryPath, this.FilePattern, this.Recurse ?
SearchOption.AllDirectories : SearchOption.TopDirectoryOnly))
if((this.NamespaceFileFilter.Count == 0 || this.NamespaceFileFilter.Contains(
Path.GetFileName(file))) && !this.ContainsKey("N:" + Path.GetFileNameWithoutExtension(file)))
filesToLoad++;
// The time estimate is a ballpark figure and depends on the system
if(filesToLoad != 0)
{
component.WriteMessage(MessageLevel.Diagnostic, "{0} file(s) need to be added to the ESENT " +
"reflection target cache database. Indexing them will take about {1:N0} minute(s), " +
"please be patient. Cache location: {2}", filesToLoad, Math.Ceiling(filesToLoad * 10 / 60.0),
cachePath);
// Limit the degree of parallelism or it overwhelms the ESENT version store
this.LoadTargetDictionary(3);
}
}