org.apache.flink.runtime.state.gemini.engine.dbms.Supervisor Maven / Gradle / Ivy
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* distributed with this work for additional information
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* 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
*
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* distributed under the License is distributed on an "AS IS" BASIS,
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package org.apache.flink.runtime.state.gemini.engine.dbms;
import org.apache.flink.runtime.state.gemini.engine.GRegionContext;
import org.apache.flink.runtime.state.gemini.engine.GTable;
import org.apache.flink.runtime.state.gemini.engine.filecache.FileCache;
import org.apache.flink.runtime.state.gemini.engine.filecompaction.FileCompaction;
import org.apache.flink.runtime.state.gemini.engine.fs.FileCleaner;
import org.apache.flink.runtime.state.gemini.engine.fs.FileManager;
import org.apache.flink.runtime.state.gemini.engine.fs.PersistenceStrategy;
import org.apache.flink.runtime.state.gemini.engine.memstore.WriteBufferManager;
import org.apache.flink.runtime.state.gemini.engine.page.PageAddress;
import org.apache.flink.runtime.state.gemini.engine.rm.Allocator;
import org.apache.flink.runtime.state.gemini.engine.rm.GarbageReleaseManager;
import org.apache.flink.runtime.state.gemini.engine.rm.LeakDetector;
import org.apache.flink.runtime.state.gemini.engine.snapshot.BackendSnapshotMeta;
import org.apache.flink.runtime.state.gemini.engine.snapshot.DBSnapshotResult;
import org.apache.flink.runtime.state.gemini.engine.snapshot.SnapshotManager;
import org.apache.flink.runtime.state.gemini.engine.vm.BloomFilterManager;
import org.apache.flink.runtime.state.gemini.engine.vm.CacheManager;
import org.apache.flink.runtime.state.gemini.engine.vm.FetchPolicy;
import org.apache.flink.shaded.netty4.io.netty.util.concurrent.EventExecutorGroup;
import java.util.concurrent.Future;
import java.util.List;
import java.util.Map;
/**
* GeminiSupervisor.
*/
public interface Supervisor {
void start();
/**
* Stop all the activity of GeminiDB.
* Sync method.
*/
void stop();
/**
* Clearing the remaining resources and make it ready to dispose.
*/
void close();
Future startSnapshot(BackendSnapshotMeta backendSnapshotMeta);
SnapshotManager.PendingSnapshot getPendingSnapshot(long checkpointId);
Allocator getAllocator();
Allocator getDefaultAllocator();
Allocator getForReadAllocator();
WriteBufferManager getWriteBufferManager();
CacheManager getCacheManager();
SnapshotManager getSnapshotManager();
FileManager getLocalFileManager();
FileManager getDfsFileManager();
FileCache getFileCache();
FileCleaner getFileCleaner();
FileCompaction getFileCompaction();
EventExecutorGroup getRegionExecutorGroup();
EventExecutorGroup getFlushExecutorGroup();
EventExecutorGroup getSnapshotExecutorGroup();
EventExecutorGroup getCompactionExecutorGroup();
EventExecutorGroup getLruIntoMainCacheExecutorGroup();
void discardPage(GRegionContext gRegionContext, List pageAddressList);
Map getAllTables();
FetchPolicy getFetchPolicy();
GarbageReleaseManager getGarbageReleaseManager();
LeakDetector getLeakDetector();
PersistenceStrategy getPersistencyStrategy();
BloomFilterManager getBloomFilterManager();
}