/**
* Clears the storage of all registered backend data providers. This includes backend storage
* engines and index providers.
*
* <p>IMPORTANT: Clearing storage means that ALL data will be lost and cannot be recovered.
*
* @throws StorageException
*/
public void clearStorage() throws StorageException {
edgeStore.close();
vertexIndexStore.close();
edgeIndexStore.close();
idAuthority.close();
storeManager.clearStorage();
// Indexes
for (IndexProvider index : indexes.values()) index.clearStorage();
}
private KeyColumnValueStore getLockStore(KeyColumnValueStore store) throws StorageException {
if (!storeFeatures.supportsLocking()) {
if (storeFeatures.isTransactional()) {
store = new TransactionalLockStore(store);
} else if (storeFeatures.supportsConsistentKeyOperations()) {
store =
new ConsistentKeyLockStore(
store, getStore(store.getName() + LOCK_STORE_SUFFIX), lockConfiguration);
} else throw new IllegalArgumentException("Store needs to support some form of locking");
}
return store;
}
private KeyColumnValueStore getLockStore(KeyColumnValueStore store, boolean lockEnabled)
throws StorageException {
if (!storeFeatures.supportsLocking()) {
if (storeFeatures.supportsTransactions()) {
store = new TransactionalLockStore(store);
} else if (storeFeatures.supportsConsistentKeyOperations()) {
if (lockEnabled) {
final String lockerName = store.getName() + LOCK_STORE_SUFFIX;
store = new ExpectedValueCheckingStore(store, getLocker(lockerName));
} else {
store = new ExpectedValueCheckingStore(store, null);
}
} else throw new IllegalArgumentException("Store needs to support some form of locking");
}
return store;
}
public void clearStorage() throws StorageException {
edgeStore.close();
vertexIndexStore.close();
idAuthority.close();
storeManager.clearStorage();
}
