fork of https://github.com/rust-rocksdb/rust-rocksdb for nextgraph
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32 lines
980 B
32 lines
980 B
// 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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// JNI Callbacks from C++ to sub-classes or org.rocksdb.RocksCallbackObject
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#ifndef JAVA_ROCKSJNI_JNICALLBACK_H_
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#define JAVA_ROCKSJNI_JNICALLBACK_H_
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#include <jni.h>
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#include "rocksdb/rocksdb_namespace.h"
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namespace ROCKSDB_NAMESPACE {
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class JniCallback {
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public:
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JniCallback(JNIEnv* env, jobject jcallback_obj);
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virtual ~JniCallback();
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const jobject& GetJavaObject() const { return m_jcallback_obj; }
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protected:
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JavaVM* m_jvm;
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jobject m_jcallback_obj;
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JNIEnv* getJniEnv(jboolean* attached) const;
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void releaseJniEnv(jboolean& attached) const;
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};
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} // namespace ROCKSDB_NAMESPACE
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#endif // JAVA_ROCKSJNI_JNICALLBACK_H_
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