public ForestDBViewStore(ForestDBCouchStore dbStorage, string name, bool create)
{
Debug.Assert(dbStorage != null);
Debug.Assert(name != null);
_dbStorage = dbStorage;
Name = name;
_path = Path.Combine(_dbStorage.Directory, ViewNameToFilename(name));
if (!File.Exists(_path))
{
if (!create)
{
throw new InvalidOperationException(String.Format(
"Create is false but no db file exists at {0}", _path));
}
OpenIndexWithOptions(C4DatabaseFlags.Create, true);
}
}
internal void Open()
{
if (_isOpen) {
return;
}
Log.D(TAG, "Opening {0}", Name);
// Instantiate storage:
string storageType = Manager.StorageType ?? "SQLite";
#if !FORESTDB
#if NOSQLITE
#error No storage engine compilation options selected
#endif
if(storageType == "ForestDB") {
throw new ApplicationException("ForestDB storage engine selected, but not compiled in library");
}
#elif FORESTDB
#if NOSQLITE
if(storageType == "SQLite") {
throw new ApplicationException("SQLite storage engine selected, but not compiled in library");
}
#endif
#endif
var className = String.Format("Couchbase.Lite.Store.{0}CouchStore", storageType);
var primaryStorage = Type.GetType(className, false, true);
if(primaryStorage == null) {
throw new InvalidOperationException(String.Format("'{0}' is not a valid storage type", storageType));
}
var isStore = primaryStorage.GetInterface("Couchbase.Lite.Store.ICouchStore") != null;
if(!isStore) {
throw new InvalidOperationException(String.Format("{0} does not implement ICouchStore", className));
}
#if !NOSQLITE
#if FORESTDB
var secondaryClass = "Couchbase.Lite.Store.ForestDBCouchStore";
if(className == secondaryClass) {
secondaryClass = "Couchbase.Lite.Store.SqliteCouchStore";
}
var secondaryStorage = Type.GetType(secondaryClass, false, true);
Storage = (ICouchStore)Activator.CreateInstance(secondaryStorage);
if(!Storage.DatabaseExistsIn(DbDirectory)) {
#endif
Storage = (ICouchStore)Activator.CreateInstance(primaryStorage);
#if FORESTDB
}
#endif
#else
Storage = new ForestDBCouchStore();
#endif
var encryptionKey = default(SymmetricKey);
var gotKey = Manager.Shared.TryGetValue("encryptionKey", "", Name, out encryptionKey);
if (gotKey) {
Storage.SetEncryptionKey(encryptionKey);
}
Storage.Delegate = this;
Log.D(TAG, "Using {0} for db at {1}", Storage.GetType(), DbDirectory);
try {
Storage.Open(DbDirectory, Manager, false);
// HACK: Needed to overcome the read connection not getting the write connection
// changes until after the schema is written
Storage.Close();
Storage.Open(DbDirectory, Manager, false);
} catch(CouchbaseLiteException) {
Storage.Close();
Log.W(TAG, "Failed to create storage engine");
throw;
} catch(Exception e) {
throw new CouchbaseLiteException("Error creating storage engine", e) { Code = StatusCode.Exception };
}
Storage.AutoCompact = AUTO_COMPACT;
// First-time setup:
if (PrivateUUID() == null) {
Storage.SetInfo("privateUUID", Misc.CreateGUID());
Storage.SetInfo("publicUUID", Misc.CreateGUID());
}
var savedMaxRevDepth = _maxRevTreeDepth != 0 ? _maxRevTreeDepth.ToString() : Storage.GetInfo("max_revs");
int maxRevTreeDepth = 0;
if (savedMaxRevDepth != null && int.TryParse(savedMaxRevDepth, out maxRevTreeDepth)) {
MaxRevTreeDepth = maxRevTreeDepth;
} else {
MaxRevTreeDepth = DEFAULT_MAX_REVS;
}
// Open attachment store:
string attachmentsPath = AttachmentStorePath;
try {
Attachments = new BlobStore(attachmentsPath, encryptionKey);
} catch(CouchbaseLiteException) {
Log.E(TAG, "Error creating blob store at {0}", attachmentsPath);
Storage.Close();
Storage = null;
throw;
} catch(Exception e) {
Storage.Close();
Storage = null;
throw new CouchbaseLiteException(String.Format("Unknown error creating blob store at {0}", attachmentsPath),
e) { Code = StatusCode.Exception };
}
_isOpen = true;
}