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Diffstat (limited to 'src/rocksdb/java/rocksjni/filter.cc')
-rw-r--r-- | src/rocksdb/java/rocksjni/filter.cc | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/rocksdb/java/rocksjni/filter.cc b/src/rocksdb/java/rocksjni/filter.cc new file mode 100644 index 000000000..ed22016d2 --- /dev/null +++ b/src/rocksdb/java/rocksjni/filter.cc @@ -0,0 +1,46 @@ +// 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::FilterPolicy. + +#include <jni.h> +#include <stdio.h> +#include <stdlib.h> + +#include <string> + +#include "include/org_rocksdb_BloomFilter.h" +#include "include/org_rocksdb_Filter.h" +#include "rocksdb/filter_policy.h" +#include "rocksjni/cplusplus_to_java_convert.h" +#include "rocksjni/portal.h" + +/* + * Class: org_rocksdb_BloomFilter + * Method: createBloomFilter + * Signature: (DZ)J + */ +jlong Java_org_rocksdb_BloomFilter_createNewBloomFilter(JNIEnv* /*env*/, + jclass /*jcls*/, + jdouble bits_per_key) { + auto* sptr_filter = + new std::shared_ptr<const ROCKSDB_NAMESPACE::FilterPolicy>( + ROCKSDB_NAMESPACE::NewBloomFilterPolicy(bits_per_key)); + return GET_CPLUSPLUS_POINTER(sptr_filter); +} + +/* + * Class: org_rocksdb_Filter + * Method: disposeInternal + * Signature: (J)V + */ +void Java_org_rocksdb_Filter_disposeInternal(JNIEnv* /*env*/, jobject /*jobj*/, + jlong jhandle) { + auto* handle = + reinterpret_cast<std::shared_ptr<const ROCKSDB_NAMESPACE::FilterPolicy>*>( + jhandle); + delete handle; // delete std::shared_ptr +} |