OperatingSystemEmulator/Device.java at main · CreatorOfCryptids/OperatingSystemEmulator · GitHub

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importjava.util.Optional;

publicinterfaceDevice {

publicstaticfinalintDEVICE_COUNT = 10; // The max amount of devices this OS can hold.

/**
 * Opens the desired Device.
 *
 * @param device A string corresponding to the desired Device.
 */
Optional<Integer> open(Strings);

/**
 * Reads from the desired Device.
 *
 * @param id The FID of the desired Device.
 * @param size The amount of data to be read.
 */
Optional<byte[]> read(intid, intsize);

/**
 * Moves the curser within the desired Device.
 *
 * @param id The FID of the desired Device.
 * @param to The distance to move the curser.
 */
voidseek(intid, intto);

/**
 * Writes to the desired Device.
 *
 * @param id The FID of the desired Device.
 * @param data The data to be writen to the Device.
 */
Optional<Integer> write(intid, byte[] data);

/**
 * Closes the desired Device.
 *
 * @param id The FID of the desired Device.
 */
voidclose(intid);
}