org.apache.flink.runtime.state.metainfo.StateMetaInfoWriter Maven / Gradle / Ivy
/*
* 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.metainfo;
import org.apache.flink.core.memory.DataOutputView;
import javax.annotation.Nonnull;
import java.io.IOException;
/**
* Functional interface to write {@link StateMetaInfoSnapshot}.
*/
@FunctionalInterface
public interface StateMetaInfoWriter {
/**
* Writes the given snapshot to the output view.
*
* @param snapshot the snapshot to write.
* @param outputView the output to write into.
* @throws IOException on write problems.
*/
void writeStateMetaInfoSnapshot(
@Nonnull StateMetaInfoSnapshot snapshot,
@Nonnull DataOutputView outputView) throws IOException;
}