org.apache.flink.runtime.state.gemini.engine.memstore.WriteBuffer 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.gemini.engine.memstore;
import org.apache.flink.runtime.state.gemini.engine.dbms.Executor;
import org.apache.flink.runtime.state.gemini.engine.page.GValueType;
import org.apache.flink.runtime.state.gemini.engine.snapshot.SnapshotOperation;
import java.util.Map;
import java.util.Set;
/**
* writeBuffer.
*/
public interface WriteBuffer extends Executor {
void put(K key, V value);
GSValue get(K key);
/**
* Get all key-value pairs and store them in the given container if it does not exist.
*/
void getAll(Map> container);
/**
* get all keys in writeBuffer, including deleted keys.
*/
void allKeysIncludeDeleted(Set container);
void removeKey(K key);
GValueType contains(K key);
void reset();
void doSnapshot(SnapshotOperation snapshotOperation);
}