/// <summary>
/// Create a new Blob from an existing ByteBuffer. IMPORTANT: If copy is
/// false, after calling this constructor, if you keep a pointer to the buffer
/// then you must treat it as immutable and promise not to change it.
/// </summary>
///
/// <param name="buffer"></param>
/// <param name="copy"></param>
public Blob(ByteBuffer buffer, bool copy)
{
this.haveHashCode_ = false;
if (buffer != null) {
if (copy) {
buffer_ = ILOG.J2CsMapping.NIO.ByteBuffer.allocate(buffer.remaining());
// Put updates buffer.position(), so save and restore it.
int savePosition = buffer.position();
buffer_.put(buffer);
buffer.position(savePosition);
buffer_.flip();
} else
buffer_ = buffer.slice();
} else
buffer_ = null;
}
/// <summary>
/// Create a new Blob from the UTF-8 encoding of the Unicode string.
/// </summary>
///
/// <param name="value">The Unicode string which is encoded as UTF-8.</param>
public Blob(String value_ren)
{
this.haveHashCode_ = false;
byte[] utf8;
try {
utf8 = ILOG.J2CsMapping.Util.StringUtil.GetBytes(value_ren,"UTF-8");
} catch (IOException ex) {
// We don't expect this to happen.
throw new Exception("UTF-8 encoder not supported: " + ex.Message);
}
buffer_ = ILOG.J2CsMapping.NIO.ByteBuffer.allocate(utf8.Length);
buffer_.put(utf8);
buffer_.flip();
}
/// <summary>
/// Create a new Blob with a copy of the bytes in the array.
/// </summary>
///
/// <param name="value">The byte array to copy.</param>
public Blob(byte[] value_ren)
{
this.haveHashCode_ = false;
buffer_ = ILOG.J2CsMapping.NIO.ByteBuffer.allocate(value_ren.Length);
buffer_.put(value_ren);
buffer_.flip();
}
/// <summary>
/// Create a new Blob with a copy of the bytes in the array.
/// </summary>
///
/// <param name="value"></param>
public Blob(int[] value_ren)
{
this.haveHashCode_ = false;
buffer_ = ILOG.J2CsMapping.NIO.ByteBuffer.allocate(value_ren.Length);
for (int i = 0; i < value_ren.Length; ++i)
buffer_.put((byte) value_ren[i]);
buffer_.flip();
}
/// <summary>
/// Create a new Blob from the the byte array. IMPORTANT: If copy is false,
/// after calling this constructor, if you keep a pointer to the buffer then
/// you must treat it as immutable and promise not to change it.
/// </summary>
///
/// <param name="value">The byte array. If copy is true, this makes a copy.</param>
/// <param name="copy"></param>
public Blob(byte[] value_ren, bool copy)
{
this.haveHashCode_ = false;
if (copy) {
buffer_ = ILOG.J2CsMapping.NIO.ByteBuffer.allocate(value_ren.Length);
buffer_.put(value_ren);
buffer_.flip();
} else
buffer_ = ILOG.J2CsMapping.NIO.ByteBuffer.wrap(value_ren);
}