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>
/// 写入批量的操作。
/// </summary>
/// <param name="batch">批量的操作。</param>
/// <param name="sync">指示是否同步操作。</param>
public void Write(WriteBatch batch, bool sync = false)
{
this.ThrowWhenDisposed();
var options = new WriteOptions(sync);
IntPtr error;
LevelDBInterop.leveldb_write(this._handle, options._handle, batch._handle, out error);
LevelDBException.Check(error);
GC.KeepAlive(batch);
GC.KeepAlive(options);
GC.KeepAlive(this);
}
