public static DataBuffer createBuffer(int dataType, int size) { return createBuffer(dataType, size, 1);
public static DataBuffer createBuffer(int dataType, Object data, int size) { if (data == null) return createBuffer(dataType, size, 1);  return createBufferFromData(dataType, data, size);
	public static DataBuffer createBuffer(int dataType, int size) {		return createBuffer(dataType, size, 1);	}