/// <summary>
/// Checks if a database exists within the current context.
/// </summary>
/// <param name="config"></param>
/// <param name="name">The name of the database.</param>
/// <remarks>
/// Databases are stored in a file-system hieratical way: the
/// existance of a database within the current context is verified
/// by combining the name of the database with the path of the
/// current context.
/// </remarks>
/// <returns>
/// Returns true if a database exists at the given path, false otherwise.
/// </returns>
public bool DatabaseExists(IDbConfig config, string name)
{
// a fast fail...
var database = databases[name] as Database;
if (database != null) {
if (database.IsInitialized)
return true;
if (database.Exists)
return true;
}
IDbConfig testConfig;
if (config == null) {
testConfig = DbConfig.Default;
} else {
testConfig = (IDbConfig) config.Clone();
}
testConfig.Parent = Config;
StorageType storageType = GetStorageType(testConfig);
if (storageType == StorageType.File) {
var basePath = testConfig.BasePath();
if (String.IsNullOrEmpty(basePath))
basePath = ConfigDefaultValues.BasePath;
// we ensure that the BasePath points to where we want it to point
string path = Path.Combine(basePath, name);
return Directory.Exists(path);
}
return false;
}