fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph
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122 lines
5.1 KiB
122 lines
5.1 KiB
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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//
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// This file implements the callback "bridge" between Java and C++ for
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// ROCKSDB_NAMESPACE::EventListener.
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#ifndef JAVA_ROCKSJNI_EVENT_LISTENER_JNICALLBACK_H_
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#define JAVA_ROCKSJNI_EVENT_LISTENER_JNICALLBACK_H_
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#include <jni.h>
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#include <memory>
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#include <set>
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#include "rocksdb/listener.h"
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#include "rocksjni/jnicallback.h"
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namespace ROCKSDB_NAMESPACE {
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enum EnabledEventCallback {
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ON_FLUSH_COMPLETED = 0x0,
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ON_FLUSH_BEGIN = 0x1,
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ON_TABLE_FILE_DELETED = 0x2,
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ON_COMPACTION_BEGIN = 0x3,
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ON_COMPACTION_COMPLETED = 0x4,
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ON_TABLE_FILE_CREATED = 0x5,
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ON_TABLE_FILE_CREATION_STARTED = 0x6,
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ON_MEMTABLE_SEALED = 0x7,
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ON_COLUMN_FAMILY_HANDLE_DELETION_STARTED = 0x8,
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ON_EXTERNAL_FILE_INGESTED = 0x9,
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ON_BACKGROUND_ERROR = 0xA,
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ON_STALL_CONDITIONS_CHANGED = 0xB,
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ON_FILE_READ_FINISH = 0xC,
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ON_FILE_WRITE_FINISH = 0xD,
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ON_FILE_FLUSH_FINISH = 0xE,
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ON_FILE_SYNC_FINISH = 0xF,
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ON_FILE_RANGE_SYNC_FINISH = 0x10,
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ON_FILE_TRUNCATE_FINISH = 0x11,
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ON_FILE_CLOSE_FINISH = 0x12,
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SHOULD_BE_NOTIFIED_ON_FILE_IO = 0x13,
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ON_ERROR_RECOVERY_BEGIN = 0x14,
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ON_ERROR_RECOVERY_COMPLETED = 0x15,
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NUM_ENABLED_EVENT_CALLBACK = 0x16,
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};
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class EventListenerJniCallback : public JniCallback, public EventListener {
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public:
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EventListenerJniCallback(
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JNIEnv* env, jobject jevent_listener,
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const std::set<EnabledEventCallback>& enabled_event_callbacks);
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virtual ~EventListenerJniCallback();
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virtual void OnFlushCompleted(DB* db, const FlushJobInfo& flush_job_info);
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virtual void OnFlushBegin(DB* db, const FlushJobInfo& flush_job_info);
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virtual void OnTableFileDeleted(const TableFileDeletionInfo& info);
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virtual void OnCompactionBegin(DB* db, const CompactionJobInfo& ci);
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virtual void OnCompactionCompleted(DB* db, const CompactionJobInfo& ci);
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virtual void OnTableFileCreated(const TableFileCreationInfo& info);
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virtual void OnTableFileCreationStarted(
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const TableFileCreationBriefInfo& info);
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virtual void OnMemTableSealed(const MemTableInfo& info);
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virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle);
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virtual void OnExternalFileIngested(DB* db,
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const ExternalFileIngestionInfo& info);
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virtual void OnBackgroundError(BackgroundErrorReason reason,
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Status* bg_error);
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virtual void OnStallConditionsChanged(const WriteStallInfo& info);
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virtual void OnFileReadFinish(const FileOperationInfo& info);
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virtual void OnFileWriteFinish(const FileOperationInfo& info);
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virtual void OnFileFlushFinish(const FileOperationInfo& info);
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virtual void OnFileSyncFinish(const FileOperationInfo& info);
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virtual void OnFileRangeSyncFinish(const FileOperationInfo& info);
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virtual void OnFileTruncateFinish(const FileOperationInfo& info);
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virtual void OnFileCloseFinish(const FileOperationInfo& info);
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virtual bool ShouldBeNotifiedOnFileIO();
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virtual void OnErrorRecoveryBegin(BackgroundErrorReason reason,
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Status bg_error, bool* auto_recovery);
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virtual void OnErrorRecoveryCompleted(Status old_bg_error);
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private:
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inline void InitCallbackMethodId(jmethodID& mid, EnabledEventCallback eec,
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JNIEnv* env,
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jmethodID (*get_id)(JNIEnv* env));
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template <class T>
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inline jobject SetupCallbackInvocation(
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JNIEnv*& env, jboolean& attached_thread, const T& cpp_obj,
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jobject (*convert)(JNIEnv* env, const T* cpp_obj));
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inline void CleanupCallbackInvocation(JNIEnv* env, jboolean attached_thread,
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std::initializer_list<jobject*> refs);
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inline void OnFileOperation(const jmethodID& mid,
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const FileOperationInfo& info);
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const std::set<EnabledEventCallback> m_enabled_event_callbacks;
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jmethodID m_on_flush_completed_proxy_mid;
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jmethodID m_on_flush_begin_proxy_mid;
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jmethodID m_on_table_file_deleted_mid;
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jmethodID m_on_compaction_begin_proxy_mid;
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jmethodID m_on_compaction_completed_proxy_mid;
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jmethodID m_on_table_file_created_mid;
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jmethodID m_on_table_file_creation_started_mid;
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jmethodID m_on_mem_table_sealed_mid;
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jmethodID m_on_column_family_handle_deletion_started_mid;
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jmethodID m_on_external_file_ingested_proxy_mid;
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jmethodID m_on_background_error_proxy_mid;
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jmethodID m_on_stall_conditions_changed_mid;
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jmethodID m_on_file_read_finish_mid;
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jmethodID m_on_file_write_finish_mid;
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jmethodID m_on_file_flush_finish_mid;
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jmethodID m_on_file_sync_finish_mid;
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jmethodID m_on_file_range_sync_finish_mid;
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jmethodID m_on_file_truncate_finish_mid;
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jmethodID m_on_file_close_finish_mid;
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jmethodID m_should_be_notified_on_file_io;
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jmethodID m_on_error_recovery_begin_proxy_mid;
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jmethodID m_on_error_recovery_completed_mid;
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};
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} // namespace ROCKSDB_NAMESPACE
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#endif // JAVA_ROCKSJNI_EVENT_LISTENER_JNICALLBACK_H_
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