diff options
Diffstat (limited to 'src/rocksdb/java/rocksjni/comparator.cc')
-rw-r--r-- | src/rocksdb/java/rocksjni/comparator.cc | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/rocksdb/java/rocksjni/comparator.cc b/src/rocksdb/java/rocksjni/comparator.cc new file mode 100644 index 000000000..11279c4ce --- /dev/null +++ b/src/rocksdb/java/rocksjni/comparator.cc @@ -0,0 +1,60 @@ +// Copyright (c) 2011-present, Facebook, Inc. 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::Comparator. + +#include <jni.h> +#include <stdio.h> +#include <stdlib.h> + +#include <functional> +#include <string> + +#include "include/org_rocksdb_AbstractComparator.h" +#include "include/org_rocksdb_NativeComparatorWrapper.h" +#include "rocksjni/comparatorjnicallback.h" +#include "rocksjni/cplusplus_to_java_convert.h" +#include "rocksjni/portal.h" + +/* + * Class: org_rocksdb_AbstractComparator + * Method: createNewComparator + * Signature: (J)J + */ +jlong Java_org_rocksdb_AbstractComparator_createNewComparator( + JNIEnv* env, jobject jcomparator, jlong copt_handle) { + auto* copt = + reinterpret_cast<ROCKSDB_NAMESPACE::ComparatorJniCallbackOptions*>( + copt_handle); + auto* c = + new ROCKSDB_NAMESPACE::ComparatorJniCallback(env, jcomparator, copt); + return GET_CPLUSPLUS_POINTER(c); +} + +/* + * Class: org_rocksdb_AbstractComparator + * Method: usingDirectBuffers + * Signature: (J)Z + */ +jboolean Java_org_rocksdb_AbstractComparator_usingDirectBuffers(JNIEnv*, + jobject, + jlong jhandle) { + auto* c = + reinterpret_cast<ROCKSDB_NAMESPACE::ComparatorJniCallback*>(jhandle); + return static_cast<jboolean>(c->m_options->direct_buffer); +} + +/* + * Class: org_rocksdb_NativeComparatorWrapper + * Method: disposeInternal + * Signature: (J)V + */ +void Java_org_rocksdb_NativeComparatorWrapper_disposeInternal( + JNIEnv* /*env*/, jobject /*jobj*/, jlong jcomparator_handle) { + auto* comparator = + reinterpret_cast<ROCKSDB_NAMESPACE::Comparator*>(jcomparator_handle); + delete comparator; +} |