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 static void leveldb_writebatch_put(IntPtr writeBatch,
byte[] key,
byte[] value)
{
var keyLength = GetArrayLength(key);
var valueLength = GetArrayLength(value);
Native.leveldb_writebatch_put(writeBatch,
key, keyLength,
value, valueLength);
}
public static void leveldb_writebatch_put(IntPtr writeBatch,
string key,
string value)
{
var keyLength = GetStringLength(key);
var valueLength = GetStringLength(value);
Native.leveldb_writebatch_put(writeBatch,
key, keyLength,
value, valueLength);
}
public WriteBatch Put(string key, string value, System.Text.Encoding encoding)
{
Native.leveldb_writebatch_put(Handle, key, value, encoding);
return(this);
}
public WriteBatch Put(string key, string value)
{
Native.leveldb_writebatch_put(Handle, key, value);
return(this);
}
public WriteBatch Put(byte[] key, byte[] value)
{
Native.leveldb_writebatch_put(Handle, key, value);
return(this);
}
