public void WriteBatch()
{
var writeOptions = LevelDBInterop.leveldb_writeoptions_create();
this.InnerPut(writeOptions, "key1", "value1");
var writeBatch = LevelDBInterop.leveldb_writebatch_create();
this.InnerBatchDelete(writeBatch, "key1");
this.InnerBatchPut(writeBatch, "key2", "value2");
IntPtr error;
LevelDBInterop.leveldb_write(Database, writeOptions, writeBatch, out error);
LevelDBException.Check(error);
var readOptions = LevelDBInterop.leveldb_readoptions_create();
var value1 = this.InnerGet(readOptions, "key1");
Assert.Null(value1);
var value2 = this.InnerGet(readOptions, "key2");
Assert.Equal("value2", value2);
this.InnerBatchDelete(writeBatch, "key2");
LevelDBInterop.leveldb_writebatch_clear(writeBatch);
LevelDBInterop.leveldb_write(Database, writeOptions, writeBatch, out error);
LevelDBException.Check(error);
value2 = this.InnerGet(readOptions, "key2");
Assert.Equal("value2", value2);
LevelDBInterop.leveldb_writebatch_destroy(writeBatch);
LevelDBInterop.leveldb_writeoptions_destroy(writeOptions);
LevelDBInterop.leveldb_writeoptions_destroy(readOptions);
}
/// <summary>
/// 初始化一个 <see cref="Aoite.LevelDB.WriteBatch" /> 类的新实例。
/// </summary>
public WriteBatch()
{
_handle = LevelDBInterop.leveldb_writebatch_create();
}
