private static void writeAttribute(DataOutput out, TitanProperty property) {
Object attribute = property.getAttribute();
TitanKey key = (TitanKey) property.getType();
assert attribute != null;
assert key.getDataType().isInstance(attribute);
if (hasGenericDataType(key)) {
out.writeClassAndObject(attribute);
} else {
out.writeObjectNotNull(attribute);
}
}
private ByteBuffer getIndexValue(TitanProperty prop) {
assert prop.getType().isSimple();
return VariableLong.positiveByteBuffer(prop.getVertex().getID());
}