private void InitObjectStore()
{
// Does the file already exist?
bool blobStoreExists = StoreSystem.StoreExists(ObjectStoreName);
// If the blob store doesn't exist and we are read_only, we can't do
// anything further so simply return.
if (!blobStoreExists && IsReadOnly)
{
return;
}
// The blob store,
// TODO: Support store-level configuration?
if (blobStoreExists)
{
lobStore = StoreSystem.OpenStore(ObjectStoreName, new Configuration());
}
else
{
lobStore = StoreSystem.CreateStore(ObjectStoreName, new Configuration());
}
try {
lobStore.Lock();
// TODO: have multiple BLOB stores
LargeObjectStore = new LargeObjectStore(0, lobStore);
// Get the 64 byte fixed area
var fixedArea = lobStore.GetArea(-1, false);
// If the blob store didn't exist then we need to create it here,
if (!blobStoreExists)
{
long headerP = LargeObjectStore.Create();
fixedArea.Write(headerP);
fixedArea.Flush();
}
else
{
// Otherwise we need to initialize the blob store
long headerP = fixedArea.ReadInt64();
LargeObjectStore.Open(headerP);
}
} finally {
lobStore.Unlock();
}
}
public void Dispose()
{
if (!IsClosed)
{
Close();
}
if (lobStore != null)
{
lobStore.Dispose();
}
if (stateStore != null)
{
stateStore.Dispose();
}
if (tableSources != null)
{
foreach (var tableSource in tableSources)
{
tableSource.Value.Dispose();
}
tableSources.Clear();
}
if (StateStore != null)
{
StateStore.Dispose();
}
if (LargeObjectStore != null)
{
LargeObjectStore.Dispose();
}
if (tempStoreSystem != null)
{
tempStoreSystem.Dispose();
}
tableSources = null;
StateStore = null;
tempStoreSystem = null;
lobStore = null;
Database = null;
}
