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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
commit | e6918187568dbd01842d8d1d2c808ce16a894239 (patch) | |
tree | 64f88b554b444a49f656b6c656111a145cbbaa28 /src/rocksdb/java/rocksjni/merge_operator.cc | |
parent | Initial commit. (diff) | |
download | ceph-upstream/18.2.2.tar.xz ceph-upstream/18.2.2.zip |
Adding upstream version 18.2.2.upstream/18.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/rocksdb/java/rocksjni/merge_operator.cc | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/src/rocksdb/java/rocksjni/merge_operator.cc b/src/rocksdb/java/rocksjni/merge_operator.cc new file mode 100644 index 000000000..ce3c5df56 --- /dev/null +++ b/src/rocksdb/java/rocksjni/merge_operator.cc @@ -0,0 +1,98 @@ +// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved. +// Copyright (c) 2014, Vlad Balan (vlad.gm@gmail.com). All rights reserved. +// This source code is licensed under both the GPLv2 (found in the +// COPYING file in the root directory) and Apache 2.0 License +// (found in the LICENSE.Apache file in the root directory). +// +// This file implements the "bridge" between Java and C++ +// for ROCKSDB_NAMESPACE::MergeOperator. + +#include "rocksdb/merge_operator.h" + +#include <jni.h> +#include <stdio.h> +#include <stdlib.h> + +#include <memory> +#include <string> + +#include "include/org_rocksdb_StringAppendOperator.h" +#include "include/org_rocksdb_UInt64AddOperator.h" +#include "rocksdb/db.h" +#include "rocksdb/memtablerep.h" +#include "rocksdb/options.h" +#include "rocksdb/slice_transform.h" +#include "rocksdb/statistics.h" +#include "rocksdb/table.h" +#include "rocksjni/cplusplus_to_java_convert.h" +#include "rocksjni/portal.h" +#include "utilities/merge_operators.h" + +/* + * Class: org_rocksdb_StringAppendOperator + * Method: newSharedStringAppendOperator + * Signature: (C)J + */ +jlong Java_org_rocksdb_StringAppendOperator_newSharedStringAppendOperator__C( + JNIEnv* /*env*/, jclass /*jclazz*/, jchar jdelim) { + auto* sptr_string_append_op = + new std::shared_ptr<ROCKSDB_NAMESPACE::MergeOperator>( + ROCKSDB_NAMESPACE::MergeOperators::CreateStringAppendOperator( + (char)jdelim)); + return GET_CPLUSPLUS_POINTER(sptr_string_append_op); +} + +jlong Java_org_rocksdb_StringAppendOperator_newSharedStringAppendOperator__Ljava_lang_String_2( + JNIEnv* env, jclass /*jclass*/, jstring jdelim) { + jboolean has_exception = JNI_FALSE; + auto delim = + ROCKSDB_NAMESPACE::JniUtil::copyStdString(env, jdelim, &has_exception); + if (has_exception == JNI_TRUE) { + return 0; + } + auto* sptr_string_append_op = + new std::shared_ptr<ROCKSDB_NAMESPACE::MergeOperator>( + ROCKSDB_NAMESPACE::MergeOperators::CreateStringAppendOperator(delim)); + return GET_CPLUSPLUS_POINTER(sptr_string_append_op); +} + +/* + * Class: org_rocksdb_StringAppendOperator + * Method: disposeInternal + * Signature: (J)V + */ +void Java_org_rocksdb_StringAppendOperator_disposeInternal(JNIEnv* /*env*/, + jobject /*jobj*/, + jlong jhandle) { + auto* sptr_string_append_op = + reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::MergeOperator>*>( + jhandle); + delete sptr_string_append_op; // delete std::shared_ptr +} + +/* + * Class: org_rocksdb_UInt64AddOperator + * Method: newSharedUInt64AddOperator + * Signature: ()J + */ +jlong Java_org_rocksdb_UInt64AddOperator_newSharedUInt64AddOperator( + JNIEnv* /*env*/, jclass /*jclazz*/) { + auto* sptr_uint64_add_op = + new std::shared_ptr<ROCKSDB_NAMESPACE::MergeOperator>( + ROCKSDB_NAMESPACE::MergeOperators::CreateUInt64AddOperator()); + return GET_CPLUSPLUS_POINTER(sptr_uint64_add_op); +} + +/* + * Class: org_rocksdb_UInt64AddOperator + * Method: disposeInternal + * Signature: (J)V + */ +void Java_org_rocksdb_UInt64AddOperator_disposeInternal(JNIEnv* /*env*/, + jobject /*jobj*/, + jlong jhandle) { + auto* sptr_uint64_add_op = + reinterpret_cast<std::shared_ptr<ROCKSDB_NAMESPACE::MergeOperator>*>( + jhandle); + delete sptr_uint64_add_op; // delete std::shared_ptr +} |