package org.opendaylight.controller.config.persist.api;
-import com.google.common.base.Optional;
-
import java.io.IOException;
+import java.util.List;
/**
* Base interface for persister implementation.
void persistConfig(ConfigSnapshotHolder configSnapshotHolder) throws IOException;
- Optional<ConfigSnapshotHolder> loadLastConfig() throws IOException;
+ List<ConfigSnapshotHolder> loadLastConfigs() throws IOException;
@Override
void close();