bb474e9a02
Summary: This is my latest round of changes to add missing items to RocksJava. More to come in future PRs. Pull Request resolved: https://github.com/facebook/rocksdb/pull/4833 Differential Revision: D14152266 Pulled By: sagar0 fbshipit-source-id: d6cff67e26da06c131491b5cf6911a8cd0db0775
121 lines
4.1 KiB
C++
121 lines
4.1 KiB
C++
// 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 "bridge" between Java and C++ and enables
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// calling c++ rocksdb::ThreadStatus methods from Java side.
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#include <jni.h>
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#include "portal.h"
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#include "include/org_rocksdb_ThreadStatus.h"
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#include "rocksdb/thread_status.h"
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/*
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* Class: org_rocksdb_ThreadStatus
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* Method: getThreadTypeName
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* Signature: (B)Ljava/lang/String;
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*/
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jstring Java_org_rocksdb_ThreadStatus_getThreadTypeName(
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JNIEnv* env, jclass, jbyte jthread_type_value) {
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auto name = rocksdb::ThreadStatus::GetThreadTypeName(
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rocksdb::ThreadTypeJni::toCppThreadType(jthread_type_value));
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return rocksdb::JniUtil::toJavaString(env, &name, true);
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}
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/*
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* Class: org_rocksdb_ThreadStatus
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* Method: getOperationName
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* Signature: (B)Ljava/lang/String;
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*/
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jstring Java_org_rocksdb_ThreadStatus_getOperationName(
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JNIEnv* env, jclass, jbyte joperation_type_value) {
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auto name = rocksdb::ThreadStatus::GetOperationName(
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rocksdb::OperationTypeJni::toCppOperationType(joperation_type_value));
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return rocksdb::JniUtil::toJavaString(env, &name, true);
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}
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/*
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* Class: org_rocksdb_ThreadStatus
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* Method: microsToStringNative
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* Signature: (J)Ljava/lang/String;
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*/
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jstring Java_org_rocksdb_ThreadStatus_microsToStringNative(
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JNIEnv* env, jclass, jlong jmicros) {
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auto str =
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rocksdb::ThreadStatus::MicrosToString(static_cast<uint64_t>(jmicros));
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return rocksdb::JniUtil::toJavaString(env, &str, true);
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}
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/*
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* Class: org_rocksdb_ThreadStatus
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* Method: getOperationStageName
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* Signature: (B)Ljava/lang/String;
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*/
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jstring Java_org_rocksdb_ThreadStatus_getOperationStageName(
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JNIEnv* env, jclass, jbyte joperation_stage_value) {
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auto name = rocksdb::ThreadStatus::GetOperationStageName(
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rocksdb::OperationStageJni::toCppOperationStage(joperation_stage_value));
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return rocksdb::JniUtil::toJavaString(env, &name, true);
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}
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/*
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* Class: org_rocksdb_ThreadStatus
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* Method: getOperationPropertyName
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* Signature: (BI)Ljava/lang/String;
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*/
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jstring Java_org_rocksdb_ThreadStatus_getOperationPropertyName(
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JNIEnv* env, jclass, jbyte joperation_type_value, jint jindex) {
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auto name = rocksdb::ThreadStatus::GetOperationPropertyName(
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rocksdb::OperationTypeJni::toCppOperationType(joperation_type_value),
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static_cast<int>(jindex));
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return rocksdb::JniUtil::toJavaString(env, &name, true);
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}
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/*
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* Class: org_rocksdb_ThreadStatus
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* Method: interpretOperationProperties
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* Signature: (B[J)Ljava/util/Map;
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*/
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jobject Java_org_rocksdb_ThreadStatus_interpretOperationProperties(
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JNIEnv* env, jclass, jbyte joperation_type_value,
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jlongArray joperation_properties) {
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//convert joperation_properties
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const jsize len = env->GetArrayLength(joperation_properties);
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const std::unique_ptr<uint64_t[]> op_properties(new uint64_t[len]);
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jlong* jop = env->GetLongArrayElements(joperation_properties, nullptr);
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if (jop == nullptr) {
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// exception thrown: OutOfMemoryError
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return nullptr;
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}
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for (jsize i = 0; i < len; i++) {
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op_properties[i] = static_cast<uint64_t>(jop[i]);
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}
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env->ReleaseLongArrayElements(joperation_properties, jop, JNI_ABORT);
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// call the function
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auto result = rocksdb::ThreadStatus::InterpretOperationProperties(
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rocksdb::OperationTypeJni::toCppOperationType(joperation_type_value),
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op_properties.get());
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jobject jresult = rocksdb::HashMapJni::fromCppMap(env, &result);
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if (env->ExceptionCheck()) {
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// exception occurred
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return nullptr;
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}
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return jresult;
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}
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/*
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* Class: org_rocksdb_ThreadStatus
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* Method: getStateName
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* Signature: (B)Ljava/lang/String;
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*/
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jstring Java_org_rocksdb_ThreadStatus_getStateName(
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JNIEnv* env, jclass, jbyte jstate_type_value) {
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auto name = rocksdb::ThreadStatus::GetStateName(
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rocksdb::StateTypeJni::toCppStateType(jstate_type_value));
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return rocksdb::JniUtil::toJavaString(env, &name, true);
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} |