TimeSystem (OREKIT 14.0-SNAPSHOT API)

All Known Implementing Classes:

PredefinedTimeSystem
```
public interface TimeSystem
```
Time systems used in navigation files.

Since:

11.0

Author:

Thomas Neidhart, Evan Ward, Thomas Paulet

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`String`	`getKey()`	Get the 3 letters key of the time system.
`String`	`getOneLetterCode()`	Get the one letter code.
`TimeScale`	`getTimeScale(TimeScales timeScales)`	Get the time scale corresponding to time system.
`String`	`getTwoLettersCode()`	Get the two letters code.

- Method Detail
  - getKey
```
String getKey()
```
    Get the 3 letters key of the time system.
    
    Returns:
    
    3 letters key
    
    Since:
    
    12.0
  - getTwoLettersCode
```
String getTwoLettersCode()
```
    Get the two letters code.
    
    Returns:
    
    two letters code (may be null for non-GNSS time systems)
    
    Since:
    
    12.2
  - getOneLetterCode
```
String getOneLetterCode()
```
    Get the one letter code.
    
    Returns:
    
    one letter code (may be null for non-GNSS time systems)
    
    Since:
    
    12.2
  - getTimeScale
```
TimeScale getTimeScale(TimeScales timeScales)
```
    Get the time scale corresponding to time system.
    
    Parameters:
    
    timeScales - the set of time scales to use
    
    Returns:
    
    the time scale corresponding to time system in the set of time scales