StefanRRichter commented on a change in pull request #7674: [FLINK-10043] [State Backends] Refactor RocksDBKeyedStateBackend object construction/initialization/restore code URL: https://github.com/apache/flink/pull/7674#discussion_r256462105
########## File path: flink-runtime/src/main/java/org/apache/flink/runtime/state/OperatorStateBackendBuilder.java ########## @@ -0,0 +1,61 @@ +/* + * 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.flink.runtime.state; + +import org.apache.flink.configuration.CheckpointingOptions; +import org.apache.flink.runtime.execution.Environment; +import org.apache.flink.util.TernaryBoolean; + +import java.util.Collection; + +public class OperatorStateBackendBuilder implements StateBackendBuilder<OperatorStateBackend, KeyedStateHandle> { + private final Environment env; + private final String operatorIdentifier; + protected Collection<KeyedStateHandle> restoredState; + private TernaryBoolean asynchronousSnapshots; + + public OperatorStateBackendBuilder(Environment env, + String operatorIdentifier) { + this.env = env; + this.operatorIdentifier = operatorIdentifier; + } + + @Override + public OperatorStateBackend build() { + return new DefaultOperatorStateBackend( + env.getUserClassLoader(), + env.getExecutionConfig(), + isUsingAsynchronousSnapshots()); + } + + @Override + public OperatorStateBackendBuilder setRestoreStateHandles(Collection restoredStateHandles) { Review comment: We should not use raw types of `Collection`, but proper generic types. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected] With regards, Apache Git Services
