public bool Get(byte[] key, out string val, Transaction txn)
{
IntPtr valptr = IntPtr.Zero;
int vallen = 0;
val = null;
if (BangDBNative.Get_TranW(_wconnection, key, key.Length, ref valptr, ref vallen, txn.GetTranPtr()) < 0)
{
return(false);
}
val = Marshal.PtrToStringAnsi(valptr, vallen);
BangDBNative.FreeBytes(valptr);
return(true);
}
public bool Get(string key, out string val)
{
IntPtr valptr = IntPtr.Zero;
int vallen = 0;
val = null;
if (BangDBNative.GetW(_wconnection, key, key.Length, ref valptr, ref vallen) < 0)
{
return(false);
}
val = Marshal.PtrToStringAnsi(valptr, vallen);
BangDBNative.FreeBytes(valptr);
return(true);
}
public bool Get(long key, out string vout)
{
IntPtr valptr = IntPtr.Zero;
int vlen = 0;
vout = null;
if (BangDBNative.Get_Long_Str(_connection, key, ref valptr, ref vlen) < 0)
{
return(false);
}
vout = Marshal.PtrToStringAnsi(valptr, vlen);
BangDBNative.FreeBytes(valptr);
return(true);
}
public bool LastEvaluatedKey(out string key)
{
IntPtr kptr;
int klen;
BangDBNative.LastEvaluatedKey(_rs, out kptr, out klen);
if (kptr == IntPtr.Zero || klen == 0)
{
key = null;
return(false);
}
key = Marshal.PtrToStringAnsi(kptr, klen);
BangDBNative.FreeBytes(kptr);
return(true);
}
public bool Get(byte[] key, out byte[] val, Transaction txn)
{
IntPtr valptr = IntPtr.Zero;
int vallen = 0;
val = null;
if (BangDBNative.Get_TranW(_wconnection, key, key.Length, ref valptr, ref vallen, txn.GetTranPtr()) < 0)
{
return(false);
}
val = new byte[vallen];
System.Runtime.InteropServices.Marshal.Copy(valptr, val, 0, vallen);
BangDBNative.FreeBytes(valptr);
return(true);
}
public bool Get(long key, out byte[] val)
{
IntPtr valptr = IntPtr.Zero;
int vallen = 0;
val = null;
if (BangDBNative.Get_LongW(_wconnection, key, ref valptr, ref vallen) < 0)
{
return(false);
}
val = new byte[vallen];
System.Runtime.InteropServices.Marshal.Copy(valptr, val, 0, vallen);
BangDBNative.FreeBytes(valptr);
return(true);
}
public bool LastEvaluatedKey(out byte[] key)
{
IntPtr kptr;
int klen;
BangDBNative.LastEvaluatedKey(_rs, out kptr, out klen);
if (kptr == IntPtr.Zero || klen == 0)
{
key = null;
return(false);
}
key = new byte[klen];
System.Runtime.InteropServices.Marshal.Copy(kptr, key, 0, klen);
BangDBNative.FreeBytes(kptr);
return(true);
}
public bool Get(string key, out string val, Transaction txn)
{
if (key == null)
{
throw new Exception("key can't be null");
}
IntPtr valptr;
int vlen;
val = null;
if (BangDBNative.Get_Tran(_connection, key, key.Length, out valptr, out vlen, txn.GetTranPtr()) < 0)
{
return(false);
}
val = Marshal.PtrToStringAnsi(valptr, vlen);
BangDBNative.FreeBytes(valptr);
return(true);
}
/*
* public bool Get(long key, out byte[] val)
* {
* byte[] k = BitConverter.GetBytes(key);
* val = Get(k);
* return (val == null) ? false : true;
* }
*
* public bool Get(long key, out byte[] val, Transaction txn)
* {
* byte[] k = BitConverter.GetBytes(key);
* val = Get(k, txn);
* return (val == null) ? false : true;
* }
*
* public bool Get(long key, out string val)
* {
* byte[] k = BitConverter.GetBytes(key);
*
* IntPtr valptr;
* int vlen;
* if (BangDBNative.Get(_connection, k, k.Length, out valptr, out vlen) < 0)
* val = null;
* else
* {
* val = Marshal.PtrToStringAnsi(valptr, vlen);
* BangDBNative.FreeBytes(valptr);
* }
* return (val == null) ? false : true;
* }
*
* public bool Get(long key, out string val, Transaction txn)
* {
* byte[] k = BitConverter.GetBytes(key);
*
* IntPtr valptr;
* int vlen;
* if (BangDBNative.Get_Tran(_connection, k, k.Length, out valptr, out vlen, txn.GetTranPtr()) < 0)
* val = null;
* else
* {
* val = Marshal.PtrToStringAnsi(valptr, vlen);
* BangDBNative.FreeBytes(valptr);
* }
* return (val == null) ? false : true;
* }
*/
public bool Get(string key, out byte[] val)
{
if (key == null)
{
throw new Exception("key can't be null");
}
IntPtr valptr;
int vlen;
val = null;
if (BangDBNative.Get(_connection, key, key.Length, out valptr, out vlen) < 0)
{
return(false);
}
val = new byte[vlen];
System.Runtime.InteropServices.Marshal.Copy(valptr, val, 0, vlen);
BangDBNative.FreeBytes(valptr);
return(true);
}
public bool Get(byte[] key, out byte[] val, Transaction txn)
{
if (key == null)
{
throw new Exception("key can't be null");
}
//string k = System.Text.Encoding.UTF8.GetString(key);
IntPtr valptr;
int vlen;
val = null;
if (BangDBNative.Get_Tran(_connection, key, key.Length, out valptr, out vlen, txn.GetTranPtr()) < 0)
{
return(false);
}
val = new byte[vlen];
System.Runtime.InteropServices.Marshal.Copy(valptr, val, 0, vlen);
BangDBNative.FreeBytes(valptr);
return(true);
}
