Data Backend API implementations

 

Text_File

Text_File is a temporary implementation which stores data in text files. Data format looks like this:

1330038000000;12981.20;13055.15;12928.72;12982.95;3505360000;0;
1330297200000;12981.20;13051.48;12859.28;12981.51;3648890000;0;
1330383600000;12976.74;13058.17;12925.88;13005.12;3579120000;0;
1330470000000;13005.27;13087.16;12903.10;12952.07;4482370000;0;

Each record begins with the new line. The components of a record are separated by semicolons. The first value is the record date in milliseconds since 01-01-1970. Next record components are: open, high, low, close, volume, open interest.