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,
if (blobStoreExists)
{
lobStore = StoreSystem.OpenStore(ObjectStoreName);
}
else
{
lobStore = StoreSystem.CreateStore(ObjectStoreName);
}
try {
lobStore.Lock();
// TODO: have multiple BLOB stores
LargeObjectStore = new ObjectStore(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.WriteInt8(headerP);
fixedArea.Flush();
}
else
{
// Otherwise we need to initialize the blob store
long headerP = fixedArea.ReadInt8();
LargeObjectStore.Open(headerP);
}
} finally {
lobStore.Unlock();
}
}