public NativeTests()
{
var tempPath = Path.GetTempPath();
var randName = Path.GetRandomFileName();
DatabasePath = Path.Combine(tempPath, randName);
var options = LevelDBInterop.leveldb_options_create();
LevelDBInterop.leveldb_options_set_create_if_missing(options, 1);
IntPtr error;
Database = LevelDBInterop.leveldb_open(options, DatabasePath, out error);
LevelDBException.Check(error);
}
/// <summary>
/// 指定数据库目录和选项，初始化一个 <see cref="Aoite.LevelDB.LDB"/> 类的新实例。
/// </summary>
/// <param name="dbFolder">数据库的目录。</param>
/// <param name="options">数据库的选项。</param>
public LDB(string dbFolder, Options options)
{
if (dbFolder == null)
{
throw new ArgumentNullException("dbFolder");
}
Options = options ?? new Options();
IntPtr error;
_handle = LevelDBInterop.leveldb_open(Options._handle, dbFolder, out error);
LevelDBException.Check(error);
GC.KeepAlive(Options);
this._DbFolder = dbFolder;
}
public void Reopen()
{
LevelDBInterop.leveldb_close(Database);
Database = IntPtr.Zero;
var options = LevelDBInterop.leveldb_options_create();
IntPtr error;
Database = LevelDBInterop.leveldb_open(options, DatabasePath, out error);
LevelDBException.Check(error);
var readOptions = LevelDBInterop.leveldb_readoptions_create();
this.InnerGet(readOptions, "key1");
LevelDBInterop.leveldb_readoptions_destroy(readOptions);
}
public void Cache()
{
LevelDBInterop.leveldb_close(Database);
Database = IntPtr.Zero;
// open the DB with a cache that is not owned by LevelDB, then
// close DB and then free the cache
var options = LevelDBInterop.leveldb_options_create();
var cache = LevelDBInterop.leveldb_cache_create_lru((IntPtr)64);
LevelDBInterop.leveldb_options_set_cache(options, cache);
IntPtr error;
Database = LevelDBInterop.leveldb_open(options, DatabasePath, out error);
LevelDBException.Check(error);
LevelDBInterop.leveldb_close(Database);
Database = IntPtr.Zero;
LevelDBInterop.leveldb_cache_destroy(cache);
LevelDBInterop.leveldb_options_destroy(options);
}
