[RocksJava] Cleanup portal.h
Simple Java Native Objects usually are represented using the same functionality but within different classes. With this commit a template class was introduced to remove the redundant impelementation to a certain extent.
This commit is contained in:
fyrz
parent
c4fb83441c
commit
7ffcc457ff
@ -34,36 +34,45 @@ inline Status check_if_jlong_fits_size_t(const jlong& jvalue) {
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return s;
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}
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// The portal class for org.rocksdb.RocksDB
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class RocksDBJni {
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// Native class template
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template<class PTR, class DERIVED> class RocksDBNativeClass {
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public:
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// Get the java class id of org.rocksdb.RocksDB.
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static jclass getJClass(JNIEnv* env) {
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jclass jclazz = env->FindClass("org/rocksdb/RocksDB");
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// Get the java class id
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static jclass getJClass(JNIEnv* env, const char* jclazz_name) {
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jclass jclazz = env->FindClass(jclazz_name);
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assert(jclazz != nullptr);
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return jclazz;
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}
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// Get the field id of the member variable of org.rocksdb.RocksDB
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// that stores the pointer to rocksdb::DB.
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// Get the field id of the member variable to store
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// the ptr
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static jfieldID getHandleFieldID(JNIEnv* env) {
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static jfieldID fid = env->GetFieldID(
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getJClass(env), "nativeHandle_", "J");
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DERIVED::getJClass(env), "nativeHandle_", "J");
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assert(fid != nullptr);
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return fid;
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}
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// Get the pointer to rocksdb::DB of the specified org.rocksdb.RocksDB.
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static rocksdb::DB* getHandle(JNIEnv* env, jobject jdb) {
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return reinterpret_cast<rocksdb::DB*>(
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env->GetLongField(jdb, getHandleFieldID(env)));
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// Get the pointer from Java
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static PTR getHandle(JNIEnv* env, jobject jobj) {
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return reinterpret_cast<PTR>(
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env->GetLongField(jobj, getHandleFieldID(env)));
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}
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// Pass the rocksdb::DB pointer to the java side.
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static void setHandle(JNIEnv* env, jobject jdb, rocksdb::DB* db) {
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// Pass the pointer to the java side.
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static void setHandle(JNIEnv* env, jobject jdb, PTR ptr) {
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env->SetLongField(
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jdb, getHandleFieldID(env),
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reinterpret_cast<jlong>(db));
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reinterpret_cast<jlong>(ptr));
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}
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};
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// The portal class for org.rocksdb.RocksDB
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class RocksDBJni : public RocksDBNativeClass<rocksdb::DB*, RocksDBJni> {
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public:
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// Get the java class id of org.rocksdb.RocksDB.
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static jclass getJClass(JNIEnv* env) {
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return RocksDBNativeClass::getJClass(env, "org/rocksdb/RocksDB");
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}
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};
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@ -96,67 +105,21 @@ class RocksDBExceptionJni {
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}
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};
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class OptionsJni {
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// The portal class for org.rocksdb.Options
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class OptionsJni : public RocksDBNativeClass<rocksdb::Options*,
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OptionsJni> {
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public:
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// Get the java class id of org.rocksdb.Options.
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static jclass getJClass(JNIEnv* env) {
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jclass jclazz = env->FindClass("org/rocksdb/Options");
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assert(jclazz != nullptr);
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return jclazz;
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}
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// Get the field id of the member variable of org.rocksdb.Options
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// that stores the pointer to rocksdb::Options
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static jfieldID getHandleFieldID(JNIEnv* env) {
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static jfieldID fid = env->GetFieldID(
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getJClass(env), "nativeHandle_", "J");
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assert(fid != nullptr);
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return fid;
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}
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// Get the pointer to rocksdb::Options
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static rocksdb::Options* getHandle(JNIEnv* env, jobject jobj) {
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return reinterpret_cast<rocksdb::Options*>(
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env->GetLongField(jobj, getHandleFieldID(env)));
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}
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// Pass the rocksdb::Options pointer to the java side.
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static void setHandle(JNIEnv* env, jobject jobj, rocksdb::Options* op) {
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env->SetLongField(
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jobj, getHandleFieldID(env),
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reinterpret_cast<jlong>(op));
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return RocksDBNativeClass::getJClass(env, "org/rocksdb/Options");
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}
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};
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class DBOptionsJni {
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// The portal class for org.rocksdb.DBOptions
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class DBOptionsJni : public RocksDBNativeClass<rocksdb::DBOptions*,
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DBOptionsJni> {
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public:
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// Get the java class id of org.rocksdb.DBOptions.
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static jclass getJClass(JNIEnv* env) {
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jclass jclazz = env->FindClass("org/rocksdb/DBOptions");
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assert(jclazz != nullptr);
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return jclazz;
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}
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// Get the field id of the member variable of org.rocksdb.DBOptions
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// that stores the pointer to rocksdb::DBOptions
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static jfieldID getHandleFieldID(JNIEnv* env) {
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static jfieldID fid = env->GetFieldID(
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getJClass(env), "nativeHandle_", "J");
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assert(fid != nullptr);
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return fid;
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}
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// Get the pointer to rocksdb::DBOptions
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static rocksdb::DBOptions* getHandle(JNIEnv* env, jobject jobj) {
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return reinterpret_cast<rocksdb::DBOptions*>(
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env->GetLongField(jobj, getHandleFieldID(env)));
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}
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// Pass the rocksdb::DBOptions pointer to the java side.
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static void setHandle(JNIEnv* env, jobject jobj, rocksdb::DBOptions* op) {
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env->SetLongField(
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jobj, getHandleFieldID(env),
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reinterpret_cast<jlong>(op));
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return RocksDBNativeClass::getJClass(env, "org/rocksdb/DBOptions");
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}
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};
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@ -188,149 +151,54 @@ class ColumnFamilyDescriptorJni {
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}
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};
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class ColumnFamilyOptionsJni {
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// The portal class for org.rocksdb.ColumnFamilyOptions
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class ColumnFamilyOptionsJni : public RocksDBNativeClass<
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rocksdb::ColumnFamilyOptions*, ColumnFamilyOptionsJni> {
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public:
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// Get the java class id of org.rocksdb.ColumnFamilyOptions.
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static jclass getJClass(JNIEnv* env) {
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jclass jclazz = env->FindClass("org/rocksdb/ColumnFamilyOptions");
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assert(jclazz != nullptr);
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return jclazz;
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}
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// Get the field id of the member variable of org.rocksdb.DBOptions
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// that stores the pointer to rocksdb::ColumnFamilyOptions
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static jfieldID getHandleFieldID(JNIEnv* env) {
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static jfieldID fid = env->GetFieldID(
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getJClass(env), "nativeHandle_", "J");
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assert(fid != nullptr);
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return fid;
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}
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// Get the pointer to rocksdb::ColumnFamilyOptions
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static rocksdb::ColumnFamilyOptions* getHandle(JNIEnv* env, jobject jobj) {
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return reinterpret_cast<rocksdb::ColumnFamilyOptions*>(
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env->GetLongField(jobj, getHandleFieldID(env)));
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}
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// Pass the rocksdb::ColumnFamilyOptions pointer to the java side.
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static void setHandle(JNIEnv* env, jobject jobj,
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rocksdb::ColumnFamilyOptions* op) {
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env->SetLongField(
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jobj, getHandleFieldID(env),
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reinterpret_cast<jlong>(op));
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return RocksDBNativeClass::getJClass(env,
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"org/rocksdb/ColumnFamilyOptions");
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}
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};
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class WriteOptionsJni {
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// The portal class for org.rocksdb.WriteOptions
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class WriteOptionsJni : public RocksDBNativeClass<
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rocksdb::WriteOptions*, WriteOptionsJni> {
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public:
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// Get the java class id of org.rocksdb.WriteOptions.
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static jclass getJClass(JNIEnv* env) {
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jclass jclazz = env->FindClass("org/rocksdb/WriteOptions");
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assert(jclazz != nullptr);
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return jclazz;
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}
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// Get the field id of the member variable of org.rocksdb.WriteOptions
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// that stores the pointer to rocksdb::WriteOptions
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static jfieldID getHandleFieldID(JNIEnv* env) {
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static jfieldID fid = env->GetFieldID(
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getJClass(env), "nativeHandle_", "J");
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assert(fid != nullptr);
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return fid;
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}
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// Get the pointer to rocksdb::WriteOptions
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static rocksdb::WriteOptions* getHandle(JNIEnv* env, jobject jobj) {
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return reinterpret_cast<rocksdb::WriteOptions*>(
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env->GetLongField(jobj, getHandleFieldID(env)));
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}
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// Pass the rocksdb::WriteOptions pointer to the java side.
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static void setHandle(JNIEnv* env, jobject jobj, rocksdb::WriteOptions* op) {
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env->SetLongField(
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jobj, getHandleFieldID(env),
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reinterpret_cast<jlong>(op));
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return RocksDBNativeClass::getJClass(env,
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"org/rocksdb/WriteOptions");
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}
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};
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class ReadOptionsJni {
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// The portal class for org.rocksdb.ReadOptions
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class ReadOptionsJni : public RocksDBNativeClass<
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rocksdb::ReadOptions*, ReadOptionsJni> {
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public:
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// Get the java class id of org.rocksdb.ReadOptions.
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static jclass getJClass(JNIEnv* env) {
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jclass jclazz = env->FindClass("org/rocksdb/ReadOptions");
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assert(jclazz != nullptr);
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return jclazz;
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}
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// Get the field id of the member variable of org.rocksdb.ReadOptions
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// that stores the pointer to rocksdb::ReadOptions
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static jfieldID getHandleFieldID(JNIEnv* env) {
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static jfieldID fid = env->GetFieldID(
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getJClass(env), "nativeHandle_", "J");
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assert(fid != nullptr);
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return fid;
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}
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// Get the pointer to rocksdb::ReadOptions
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static rocksdb::ReadOptions* getHandle(JNIEnv* env, jobject jobj) {
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return reinterpret_cast<rocksdb::ReadOptions*>(
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env->GetLongField(jobj, getHandleFieldID(env)));
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}
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// Pass the rocksdb::ReadOptions pointer to the java side.
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static void setHandle(JNIEnv* env, jobject jobj,
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rocksdb::ReadOptions* op) {
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env->SetLongField(
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jobj, getHandleFieldID(env),
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reinterpret_cast<jlong>(op));
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return RocksDBNativeClass::getJClass(env,
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"org/rocksdb/ReadOptions");
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}
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};
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class WriteBatchJni {
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// The portal class for org.rocksdb.ReadOptions
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class WriteBatchJni : public RocksDBNativeClass<
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rocksdb::WriteBatch*, WriteBatchJni> {
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public:
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static jclass getJClass(JNIEnv* env) {
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jclass jclazz = env->FindClass("org/rocksdb/WriteBatch");
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assert(jclazz != nullptr);
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return jclazz;
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}
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static jfieldID getHandleFieldID(JNIEnv* env) {
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static jfieldID fid = env->GetFieldID(
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getJClass(env), "nativeHandle_", "J");
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assert(fid != nullptr);
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return fid;
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}
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// Get the pointer to rocksdb::WriteBatch of the specified
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// org.rocksdb.WriteBatch.
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static rocksdb::WriteBatch* getHandle(JNIEnv* env, jobject jwb) {
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return reinterpret_cast<rocksdb::WriteBatch*>(
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env->GetLongField(jwb, getHandleFieldID(env)));
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}
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// Pass the rocksdb::WriteBatch pointer to the java side.
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static void setHandle(JNIEnv* env, jobject jwb, rocksdb::WriteBatch* wb) {
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env->SetLongField(
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jwb, getHandleFieldID(env),
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reinterpret_cast<jlong>(wb));
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return RocksDBNativeClass::getJClass(env,
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"org/rocksdb/WriteBatch");
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}
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};
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class WriteBatchHandlerJni {
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// The portal class for org.rocksdb.WriteBatch.Handler
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class WriteBatchHandlerJni : public RocksDBNativeClass<
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const rocksdb::WriteBatchHandlerJniCallback*,
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WriteBatchHandlerJni> {
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public:
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static jclass getJClass(JNIEnv* env) {
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jclass jclazz = env->FindClass("org/rocksdb/WriteBatch$Handler");
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assert(jclazz != nullptr);
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return jclazz;
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}
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static jfieldID getHandleFieldID(JNIEnv* env) {
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static jfieldID fid = env->GetFieldID(
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getJClass(env), "nativeHandle_", "J");
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assert(fid != nullptr);
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return fid;
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return RocksDBNativeClass::getJClass(env,
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"org/rocksdb/WriteBatch$Handler");
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}
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// Get the java method `put` of org.rocksdb.WriteBatch.Handler.
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@ -372,53 +240,15 @@ class WriteBatchHandlerJni {
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assert(mid != nullptr);
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return mid;
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}
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// Get the pointer to rocksdb::WriteBatchHandlerJniCallback of the specified
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// org.rocksdb.WriteBatchHandler.
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static rocksdb::WriteBatchHandlerJniCallback* getHandle(
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JNIEnv* env, jobject jobj) {
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return reinterpret_cast<rocksdb::WriteBatchHandlerJniCallback*>(
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env->GetLongField(jobj, getHandleFieldID(env)));
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}
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// Pass the rocksdb::WriteBatchHandlerJniCallback pointer to the java side.
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static void setHandle(
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JNIEnv* env, jobject jobj,
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const rocksdb::WriteBatchHandlerJniCallback* op) {
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env->SetLongField(
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jobj, getHandleFieldID(env),
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reinterpret_cast<jlong>(op));
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}
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};
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class WriteBatchWithIndexJni {
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// The portal class for org.rocksdb.WriteBatchWithIndex
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class WriteBatchWithIndexJni : public RocksDBNativeClass<
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rocksdb::WriteBatchWithIndex*, WriteBatchWithIndexJni> {
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public:
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static jclass getJClass(JNIEnv* env) {
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jclass jclazz = env->FindClass("org/rocksdb/WriteBatchWithIndex");
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assert(jclazz != nullptr);
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return jclazz;
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}
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static jfieldID getHandleFieldID(JNIEnv* env) {
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static jfieldID fid = env->GetFieldID(
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getJClass(env), "nativeHandle_", "J");
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assert(fid != nullptr);
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return fid;
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}
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// Get the pointer to rocksdb::WriteBatchWithIndex of the specified
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// org.rocksdb.WriteBatchWithIndex.
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static rocksdb::WriteBatchWithIndex* getHandle(JNIEnv* env, jobject jwbwi) {
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return reinterpret_cast<rocksdb::WriteBatchWithIndex*>(
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env->GetLongField(jwbwi, getHandleFieldID(env)));
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}
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// Pass the rocksdb::WriteBatchWithIndex pointer to the java side.
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static void setHandle(JNIEnv* env, jobject jwbwi,
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rocksdb::WriteBatchWithIndex* wbwi) {
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env->SetLongField(
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jwbwi, getHandleFieldID(env),
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reinterpret_cast<jlong>(wbwi));
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return RocksDBNativeClass::getJClass(env,
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"org/rocksdb/WriteBatch");
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}
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};
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@ -431,212 +261,74 @@ class HistogramDataJni {
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}
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};
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class BackupableDBOptionsJni {
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// The portal class for org.rocksdb.WriteBatchWithIndex
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class BackupableDBOptionsJni : public RocksDBNativeClass<
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rocksdb::BackupableDBOptions*, BackupableDBOptionsJni> {
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public:
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// Get the java class id of org.rocksdb.BackupableDBOptions.
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static jclass getJClass(JNIEnv* env) {
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jclass jclazz = env->FindClass("org/rocksdb/BackupableDBOptions");
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assert(jclazz != nullptr);
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return jclazz;
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}
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// Get the field id of the member variable of org.rocksdb.BackupableDBOptions
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// that stores the pointer to rocksdb::BackupableDBOptions
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static jfieldID getHandleFieldID(JNIEnv* env) {
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static jfieldID fid = env->GetFieldID(
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getJClass(env), "nativeHandle_", "J");
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assert(fid != nullptr);
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return fid;
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}
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// Get the pointer to rocksdb::BackupableDBOptions
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static rocksdb::BackupableDBOptions* getHandle(JNIEnv* env, jobject jobj) {
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return reinterpret_cast<rocksdb::BackupableDBOptions*>(
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env->GetLongField(jobj, getHandleFieldID(env)));
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}
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// Pass the rocksdb::BackupableDBOptions pointer to the java side.
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static void setHandle(
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JNIEnv* env, jobject jobj, rocksdb::BackupableDBOptions* op) {
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env->SetLongField(
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jobj, getHandleFieldID(env),
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reinterpret_cast<jlong>(op));
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return RocksDBNativeClass::getJClass(env,
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"org/rocksdb/BackupableDBOptions");
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}
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};
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class IteratorJni {
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// The portal class for org.rocksdb.RocksIterator
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class IteratorJni : public RocksDBNativeClass<
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rocksdb::Iterator*, IteratorJni> {
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public:
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// Get the java class id of org.rocksdb.Iteartor.
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static jclass getJClass(JNIEnv* env) {
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jclass jclazz = env->FindClass("org/rocksdb/RocksIterator");
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assert(jclazz != nullptr);
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return jclazz;
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}
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// Get the field id of the member variable of org.rocksdb.Iterator
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// that stores the pointer to rocksdb::Iterator.
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static jfieldID getHandleFieldID(JNIEnv* env) {
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static jfieldID fid = env->GetFieldID(
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getJClass(env), "nativeHandle_", "J");
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assert(fid != nullptr);
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return fid;
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}
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// Get the pointer to rocksdb::Iterator.
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static rocksdb::Iterator* getHandle(JNIEnv* env, jobject jobj) {
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return reinterpret_cast<rocksdb::Iterator*>(
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env->GetLongField(jobj, getHandleFieldID(env)));
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}
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// Pass the rocksdb::Iterator pointer to the java side.
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static void setHandle(
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JNIEnv* env, jobject jobj, rocksdb::Iterator* op) {
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env->SetLongField(
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jobj, getHandleFieldID(env),
|
||||
reinterpret_cast<jlong>(op));
|
||||
return RocksDBNativeClass::getJClass(env,
|
||||
"org/rocksdb/RocksIterator");
|
||||
}
|
||||
};
|
||||
|
||||
class FilterJni {
|
||||
// The portal class for org.rocksdb.Filter
|
||||
class FilterJni : public RocksDBNativeClass<
|
||||
std::shared_ptr<rocksdb::FilterPolicy>*, FilterJni> {
|
||||
public:
|
||||
// Get the java class id of org.rocksdb.FilterPolicy.
|
||||
static jclass getJClass(JNIEnv* env) {
|
||||
jclass jclazz = env->FindClass("org/rocksdb/Filter");
|
||||
assert(jclazz != nullptr);
|
||||
return jclazz;
|
||||
}
|
||||
|
||||
// Get the field id of the member variable of org.rocksdb.Filter
|
||||
// that stores the pointer to rocksdb::FilterPolicy.
|
||||
static jfieldID getHandleFieldID(JNIEnv* env) {
|
||||
static jfieldID fid = env->GetFieldID(
|
||||
getJClass(env), "nativeHandle_", "J");
|
||||
assert(fid != nullptr);
|
||||
return fid;
|
||||
}
|
||||
|
||||
// Get the pointer to rocksdb::FilterPolicy.
|
||||
static std::shared_ptr<rocksdb::FilterPolicy>* getHandle(
|
||||
JNIEnv* env, jobject jobj) {
|
||||
return reinterpret_cast
|
||||
<std::shared_ptr<rocksdb::FilterPolicy> *>(
|
||||
env->GetLongField(jobj, getHandleFieldID(env)));
|
||||
}
|
||||
|
||||
// Pass the rocksdb::FilterPolicy pointer to the java side.
|
||||
static void setHandle(
|
||||
JNIEnv* env, jobject jobj, std::shared_ptr<rocksdb::FilterPolicy>* op) {
|
||||
env->SetLongField(
|
||||
jobj, getHandleFieldID(env),
|
||||
reinterpret_cast<jlong>(op));
|
||||
return RocksDBNativeClass::getJClass(env,
|
||||
"org/rocksdb/Filter");
|
||||
}
|
||||
};
|
||||
|
||||
class ColumnFamilyHandleJni {
|
||||
// The portal class for org.rocksdb.ColumnFamilyHandle
|
||||
class ColumnFamilyHandleJni : public RocksDBNativeClass<
|
||||
rocksdb::ColumnFamilyHandle*, ColumnFamilyHandleJni> {
|
||||
public:
|
||||
// Get the java class id of org.rocksdb.ColumnFamilyHandle.
|
||||
static jclass getJClass(JNIEnv* env) {
|
||||
jclass jclazz = env->FindClass("org/rocksdb/ColumnFamilyHandle");
|
||||
assert(jclazz != nullptr);
|
||||
return jclazz;
|
||||
}
|
||||
|
||||
// Get the field id of the member variable of org.rocksdb.ColumnFamilyHandle.
|
||||
// that stores the pointer to rocksdb::ColumnFamilyHandle.
|
||||
static jfieldID getHandleFieldID(JNIEnv* env) {
|
||||
static jfieldID fid = env->GetFieldID(
|
||||
getJClass(env), "nativeHandle_", "J");
|
||||
assert(fid != nullptr);
|
||||
return fid;
|
||||
}
|
||||
|
||||
// Get the pointer to rocksdb::ColumnFamilyHandle.
|
||||
static rocksdb::ColumnFamilyHandle* getHandle(JNIEnv* env, jobject jobj) {
|
||||
return reinterpret_cast<rocksdb::ColumnFamilyHandle*>(
|
||||
env->GetLongField(jobj, getHandleFieldID(env)));
|
||||
}
|
||||
|
||||
// Pass the rocksdb::ColumnFamilyHandle pointer to the java side.
|
||||
static void setHandle(
|
||||
JNIEnv* env, jobject jobj, const rocksdb::ColumnFamilyHandle* op) {
|
||||
env->SetLongField(
|
||||
jobj, getHandleFieldID(env),
|
||||
reinterpret_cast<jlong>(op));
|
||||
return RocksDBNativeClass::getJClass(env,
|
||||
"org/rocksdb/ColumnFamilyHandle");
|
||||
}
|
||||
};
|
||||
|
||||
class FlushOptionsJni {
|
||||
// The portal class for org.rocksdb.FlushOptions
|
||||
class FlushOptionsJni : public RocksDBNativeClass<
|
||||
rocksdb::FlushOptions*, FlushOptionsJni> {
|
||||
public:
|
||||
// Get the java class id of org.rocksdb.FlushOptions.
|
||||
static jclass getJClass(JNIEnv* env) {
|
||||
jclass jclazz = env->FindClass("org/rocksdb/FlushOptions");
|
||||
assert(jclazz != nullptr);
|
||||
return jclazz;
|
||||
}
|
||||
|
||||
// Get the field id of the member variable of org.rocksdb.FlushOptions
|
||||
// that stores the pointer to rocksdb::FlushOptions.
|
||||
static jfieldID getHandleFieldID(JNIEnv* env) {
|
||||
static jfieldID fid = env->GetFieldID(
|
||||
getJClass(env), "nativeHandle_", "J");
|
||||
assert(fid != nullptr);
|
||||
return fid;
|
||||
}
|
||||
|
||||
// Pass the FlushOptions pointer to the java side.
|
||||
static void setHandle(
|
||||
JNIEnv* env, jobject jobj,
|
||||
const rocksdb::FlushOptions* op) {
|
||||
env->SetLongField(
|
||||
jobj, getHandleFieldID(env),
|
||||
reinterpret_cast<jlong>(op));
|
||||
}
|
||||
};
|
||||
|
||||
class ComparatorOptionsJni {
|
||||
public:
|
||||
// Get the java class id of org.rocksdb.ComparatorOptions.
|
||||
static jclass getJClass(JNIEnv* env) {
|
||||
jclass jclazz = env->FindClass("org/rocksdb/ComparatorOptions");
|
||||
assert(jclazz != nullptr);
|
||||
return jclazz;
|
||||
}
|
||||
|
||||
// Get the field id of the member variable of org.rocksdb.ComparatorOptions
|
||||
// that stores the pointer to rocksdb::ComparatorJniCallbackOptions.
|
||||
static jfieldID getHandleFieldID(JNIEnv* env) {
|
||||
static jfieldID fid = env->GetFieldID(
|
||||
getJClass(env), "nativeHandle_", "J");
|
||||
assert(fid != nullptr);
|
||||
return fid;
|
||||
}
|
||||
|
||||
// Pass the ComparatorJniCallbackOptions pointer to the java side.
|
||||
static void setHandle(
|
||||
JNIEnv* env, jobject jobj,
|
||||
const rocksdb::ComparatorJniCallbackOptions* op) {
|
||||
env->SetLongField(
|
||||
jobj, getHandleFieldID(env),
|
||||
reinterpret_cast<jlong>(op));
|
||||
}
|
||||
};
|
||||
|
||||
class AbstractComparatorJni {
|
||||
public:
|
||||
// Get the java class id of org.rocksdb.Comparator.
|
||||
static jclass getJClass(JNIEnv* env) {
|
||||
jclass jclazz = env->FindClass("org/rocksdb/AbstractComparator");
|
||||
assert(jclazz != nullptr);
|
||||
return jclazz;
|
||||
return RocksDBNativeClass::getJClass(env,
|
||||
"org/rocksdb/FlushOptions");
|
||||
}
|
||||
};
|
||||
|
||||
// Get the field id of the member variable of org.rocksdb.Comparator
|
||||
// that stores the pointer to rocksdb::Comparator.
|
||||
static jfieldID getHandleFieldID(JNIEnv* env) {
|
||||
static jfieldID fid = env->GetFieldID(
|
||||
getJClass(env), "nativeHandle_", "J");
|
||||
assert(fid != nullptr);
|
||||
return fid;
|
||||
// The portal class for org.rocksdb.ComparatorOptions
|
||||
class ComparatorOptionsJni : public RocksDBNativeClass<
|
||||
rocksdb::ComparatorJniCallbackOptions*, ComparatorOptionsJni> {
|
||||
public:
|
||||
static jclass getJClass(JNIEnv* env) {
|
||||
return RocksDBNativeClass::getJClass(env,
|
||||
"org/rocksdb/ComparatorOptions");
|
||||
}
|
||||
};
|
||||
|
||||
// The portal class for org.rocksdb.AbstractComparator
|
||||
class AbstractComparatorJni : public RocksDBNativeClass<
|
||||
const rocksdb::BaseComparatorJniCallback*,
|
||||
AbstractComparatorJni> {
|
||||
public:
|
||||
static jclass getJClass(JNIEnv* env) {
|
||||
return RocksDBNativeClass::getJClass(env,
|
||||
"org/rocksdb/AbstractComparator");
|
||||
}
|
||||
|
||||
// Get the java method `name` of org.rocksdb.Comparator.
|
||||
@ -673,53 +365,15 @@ class AbstractComparatorJni {
|
||||
assert(mid != nullptr);
|
||||
return mid;
|
||||
}
|
||||
|
||||
// Get the pointer to ComparatorJniCallback.
|
||||
static rocksdb::BaseComparatorJniCallback* getHandle(
|
||||
JNIEnv* env, jobject jobj) {
|
||||
return reinterpret_cast<rocksdb::BaseComparatorJniCallback*>(
|
||||
env->GetLongField(jobj, getHandleFieldID(env)));
|
||||
}
|
||||
|
||||
// Pass the ComparatorJniCallback pointer to the java side.
|
||||
static void setHandle(
|
||||
JNIEnv* env, jobject jobj, const rocksdb::BaseComparatorJniCallback* op) {
|
||||
env->SetLongField(
|
||||
jobj, getHandleFieldID(env),
|
||||
reinterpret_cast<jlong>(op));
|
||||
}
|
||||
};
|
||||
|
||||
class AbstractSliceJni {
|
||||
// The portal class for org.rocksdb.AbstractSlice
|
||||
class AbstractSliceJni : public RocksDBNativeClass<
|
||||
const rocksdb::Slice*, AbstractSliceJni> {
|
||||
public:
|
||||
// Get the java class id of org.rocksdb.Slice.
|
||||
static jclass getJClass(JNIEnv* env) {
|
||||
jclass jclazz = env->FindClass("org/rocksdb/AbstractSlice");
|
||||
assert(jclazz != nullptr);
|
||||
return jclazz;
|
||||
}
|
||||
|
||||
// Get the field id of the member variable of org.rocksdb.Slice
|
||||
// that stores the pointer to rocksdb::Slice.
|
||||
static jfieldID getHandleFieldID(JNIEnv* env) {
|
||||
static jfieldID fid = env->GetFieldID(
|
||||
getJClass(env), "nativeHandle_", "J");
|
||||
assert(fid != nullptr);
|
||||
return fid;
|
||||
}
|
||||
|
||||
// Get the pointer to Slice.
|
||||
static rocksdb::Slice* getHandle(JNIEnv* env, jobject jobj) {
|
||||
return reinterpret_cast<rocksdb::Slice*>(
|
||||
env->GetLongField(jobj, getHandleFieldID(env)));
|
||||
}
|
||||
|
||||
// Pass the Slice pointer to the java side.
|
||||
static void setHandle(
|
||||
JNIEnv* env, jobject jobj, const rocksdb::Slice* op) {
|
||||
env->SetLongField(
|
||||
jobj, getHandleFieldID(env),
|
||||
reinterpret_cast<jlong>(op));
|
||||
return RocksDBNativeClass::getJClass(env,
|
||||
"org/rocksdb/AbstractSlice");
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user