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@ -1058,6 +1058,80 @@ jbyte Java_org_rocksdb_Options_compressionType( |
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return reinterpret_cast<rocksdb::Options*>(jhandle)->compression; |
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return reinterpret_cast<rocksdb::Options*>(jhandle)->compression; |
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} |
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} |
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/*
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* Helper method to convert a Java list to a CompressionType |
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* vector. |
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*/ |
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std::vector<rocksdb::CompressionType> rocksdb_compression_vector_helper( |
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JNIEnv* env, jobject jcompressionLevels) { |
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std::vector<rocksdb::CompressionType> compressionLevels; |
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// iterate over compressionLevels
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jobject iteratorObj = env->CallObjectMethod( |
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jcompressionLevels, rocksdb::ListJni::getIteratorMethod(env)); |
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while (env->CallBooleanMethod( |
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iteratorObj, rocksdb::ListJni::getHasNextMethod(env)) == JNI_TRUE) { |
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// get compression
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jobject jcompression_obj = env->CallObjectMethod(iteratorObj, |
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rocksdb::ListJni::getNextMethod(env)); |
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jbyte jcompression = env->CallByteMethod(jcompression_obj, |
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rocksdb::ByteJni::getByteValueMethod(env)); |
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compressionLevels.push_back(static_cast<rocksdb::CompressionType>( |
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jcompression)); |
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} |
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return compressionLevels; |
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} |
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/*
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* Helper method to convert a CompressionType vector to a Java |
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* List. |
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*/ |
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jobject rocksdb_compression_list_helper(JNIEnv* env, |
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std::vector<rocksdb::CompressionType> compressionLevels) { |
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jclass jListClazz = env->FindClass("java/util/ArrayList"); |
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jmethodID midList = rocksdb::ListJni::getArrayListConstructorMethodId( |
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env, jListClazz); |
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jobject jcompressionLevels = env->NewObject(jListClazz, |
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midList, compressionLevels.size()); |
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// insert in java list
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for (std::vector<rocksdb::CompressionType>::size_type i = 0; |
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i != compressionLevels.size(); i++) { |
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jclass jByteClazz = env->FindClass("java/lang/Byte"); |
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jmethodID midByte = env->GetMethodID(jByteClazz, "<init>", "(B)V"); |
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jobject obj = env->NewObject(jByteClazz, midByte, |
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compressionLevels[i]); |
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env->CallBooleanMethod(jcompressionLevels, |
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rocksdb::ListJni::getListAddMethodId(env), obj); |
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} |
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return jcompressionLevels; |
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} |
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/*
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* Class: org_rocksdb_Options |
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* Method: setCompressionPerLevel |
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* Signature: (JLjava/util/List;)V |
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*/ |
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void Java_org_rocksdb_Options_setCompressionPerLevel( |
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JNIEnv* env, jobject jobj, jlong jhandle, |
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jobject jcompressionLevels) { |
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auto* options = reinterpret_cast<rocksdb::Options*>(jhandle); |
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std::vector<rocksdb::CompressionType> compressionLevels = |
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rocksdb_compression_vector_helper(env, jcompressionLevels); |
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options->compression_per_level = compressionLevels; |
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} |
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/*
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* Class: org_rocksdb_Options |
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* Method: compressionPerLevel |
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* Signature: (J)Ljava/util/List; |
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*/ |
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jobject Java_org_rocksdb_Options_compressionPerLevel( |
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JNIEnv* env, jobject jobj, jlong jhandle) { |
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auto* options = reinterpret_cast<rocksdb::Options*>(jhandle); |
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return rocksdb_compression_list_helper(env, |
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options->compression_per_level); |
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} |
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/*
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/*
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* Class: org_rocksdb_Options |
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* Class: org_rocksdb_Options |
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* Method: setCompactionStyle |
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* Method: setCompactionStyle |
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@ -2144,6 +2218,32 @@ jbyte Java_org_rocksdb_ColumnFamilyOptions_compressionType( |
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compression; |
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compression; |
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} |
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} |
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/*
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* Class: org_rocksdb_ColumnFamilyOptions |
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* Method: setCompressionPerLevel |
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* Signature: (JLjava/util/List;)V |
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*/ |
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void Java_org_rocksdb_ColumnFamilyOptions_setCompressionPerLevel( |
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JNIEnv* env, jobject jobj, jlong jhandle, |
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jobject jcompressionLevels) { |
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auto* options = reinterpret_cast<rocksdb::ColumnFamilyOptions*>(jhandle); |
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std::vector<rocksdb::CompressionType> compressionLevels = |
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rocksdb_compression_vector_helper(env, jcompressionLevels); |
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options->compression_per_level = compressionLevels; |
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} |
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/*
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* Class: org_rocksdb_ColumnFamilyOptions |
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* Method: compressionPerLevel |
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* Signature: (J)Ljava/util/List; |
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*/ |
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jobject Java_org_rocksdb_ColumnFamilyOptions_compressionPerLevel( |
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JNIEnv* env, jobject jobj, jlong jhandle) { |
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auto* options = reinterpret_cast<rocksdb::ColumnFamilyOptions*>(jhandle); |
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return rocksdb_compression_list_helper(env, |
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options->compression_per_level); |
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} |
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/*
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/*
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* Class: org_rocksdb_ColumnFamilyOptions |
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* Class: org_rocksdb_ColumnFamilyOptions |
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* Method: setCompactionStyle |
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* Method: setCompactionStyle |
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