public void WriteBatch()
{
var writeOptions = Native.leveldb_writeoptions_create();
Native.leveldb_put(Database, writeOptions, "key1", "value1");
var writeBatch = Native.leveldb_writebatch_create();
Native.leveldb_writebatch_delete(writeBatch, "key1");
Native.leveldb_writebatch_put(writeBatch, "key2", "value2");
Native.leveldb_write(Database, writeOptions, writeBatch);
var readOptions = Native.leveldb_readoptions_create();
var value1 = Native.leveldb_get(Database, readOptions, "key1");
Assert.IsNull(value1);
var value2 = Native.leveldb_get(Database, readOptions, "key2");
Assert.AreEqual("value2", value2);
Native.leveldb_writebatch_delete(writeBatch, "key2");
Native.leveldb_writebatch_clear(writeBatch);
Native.leveldb_write(Database, writeOptions, writeBatch);
value2 = Native.leveldb_get(Database, readOptions, "key2");
Assert.AreEqual("value2", value2);
Native.leveldb_writebatch_destroy(writeBatch);
Native.leveldb_writeoptions_destroy(writeOptions);
Native.leveldb_writeoptions_destroy(readOptions);
}
public void Write(WriteOptions writeOptions, WriteBatch writeBatch)
{
CheckDisposed();
if (writeOptions == null)
{
writeOptions = WriteOptions.Default;
}
if (writeBatch == null)
{
throw new ArgumentNullException("writeBatch");
}
Native.leveldb_write(Handle, writeOptions.Handle, writeBatch.Handle);
}