package org.zstack.header.storage.backup; public interface BackupStorageChangeStateExtensionPoint { void preChangeSecondaryStorageState(BackupStorageInventory inv, BackupStorageStateEvent evt, BackupStorageState nextState) throws BackupStorageException; void beforeChangeSecondaryStorageState(BackupStorageInventory inv, BackupStorageStateEvent evt, BackupStorageState nextState); void afterChangeSecondaryStorageState(BackupStorageInventory inv, BackupStorageStateEvent evt, BackupStorageState previousState); }