1 files changed, 72 insertions, 0 deletions
diff --git a/src/rocksdb/java/rocksjni/columnfamilyhandle.cc b/src/rocksdb/java/rocksjni/columnfamilyhandle.cc
new file mode 100644
index 000000000..4140580f0
--- /dev/null
+++ b/src/rocksdb/java/rocksjni/columnfamilyhandle.cc
@@ -0,0 +1,72 @@
+// 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::ColumnFamilyHandle.
+
+#include <jni.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "include/org_rocksdb_ColumnFamilyHandle.h"
+#include "rocksjni/portal.h"
+
+/*
+ * Class:     org_rocksdb_ColumnFamilyHandle
+ * Method:    getName
+ * Signature: (J)[B
+ */
+jbyteArray Java_org_rocksdb_ColumnFamilyHandle_getName(JNIEnv* env,
+                                                       jobject /*jobj*/,
+                                                       jlong jhandle) {
+  auto* cfh = reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jhandle);
+  std::string cf_name = cfh->GetName();
+  return ROCKSDB_NAMESPACE::JniUtil::copyBytes(env, cf_name);
+}
+
+/*
+ * Class:     org_rocksdb_ColumnFamilyHandle
+ * Method:    getID
+ * Signature: (J)I
+ */
+jint Java_org_rocksdb_ColumnFamilyHandle_getID(JNIEnv* /*env*/,
+                                               jobject /*jobj*/,
+                                               jlong jhandle) {
+  auto* cfh = reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jhandle);
+  const int32_t id = cfh->GetID();
+  return static_cast<jint>(id);
+}
+
+/*
+ * Class:     org_rocksdb_ColumnFamilyHandle
+ * Method:    getDescriptor
+ * Signature: (J)Lorg/rocksdb/ColumnFamilyDescriptor;
+ */
+jobject Java_org_rocksdb_ColumnFamilyHandle_getDescriptor(JNIEnv* env,
+                                                          jobject /*jobj*/,
+                                                          jlong jhandle) {
+  auto* cfh = reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jhandle);
+  ROCKSDB_NAMESPACE::ColumnFamilyDescriptor desc;
+  ROCKSDB_NAMESPACE::Status s = cfh->GetDescriptor(&desc);
+  if (s.ok()) {
+    return ROCKSDB_NAMESPACE::ColumnFamilyDescriptorJni::construct(env, &desc);
+  } else {
+    ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
+    return nullptr;
+  }
+}
+
+/*
+ * Class:     org_rocksdb_ColumnFamilyHandle
+ * Method:    disposeInternal
+ * Signature: (J)V
+ */
+void Java_org_rocksdb_ColumnFamilyHandle_disposeInternal(JNIEnv* /*env*/,
+                                                         jobject /*jobj*/,
+                                                         jlong jhandle) {
+  auto* cfh = reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jhandle);
+  assert(cfh != nullptr);
+  delete cfh;
+}