| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.hugegraph.backend.store; |
| |
| import com.alipay.remoting.rpc.RpcServer; |
| import org.apache.hugegraph.config.HugeConfig; |
| import org.apache.hugegraph.event.EventHub; |
| import org.apache.hugegraph.event.EventListener; |
| |
| public interface BackendStoreProvider { |
| |
| String SCHEMA_STORE = "m"; |
| String GRAPH_STORE = "g"; |
| String SYSTEM_STORE = "s"; |
| |
| // Backend store type |
| String type(); |
| |
| // Backend store version |
| String storedVersion(); |
| |
| // Current backend store driver version |
| String driverVersion(); |
| |
| // Graph name (that's database name) |
| String graph(); |
| |
| BackendStore loadSystemStore(HugeConfig config); |
| |
| BackendStore loadSchemaStore(HugeConfig config); |
| |
| BackendStore loadGraphStore(HugeConfig config); |
| |
| void open(String name); |
| |
| void waitReady(RpcServer rpcServer); |
| |
| void close(); |
| |
| void init(); |
| |
| void clear(); |
| |
| boolean initialized(); |
| |
| void truncate(); |
| |
| void createSnapshot(); |
| |
| void resumeSnapshot(); |
| |
| void listen(EventListener listener); |
| |
| void unlisten(EventListener listener); |
| |
| EventHub storeEventHub(); |
| |
| void onCloneConfig(HugeConfig config, String newGraph); |
| |
| void onDeleteConfig(HugeConfig config); |
| } |