HistorianSyncSource

All Known Implementing Classes:

SQLiteHistorian
```
public interface HistorianSyncSource
```

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`javax.sql.DataSource`	`getDatasource()`	Returns the datasource used for storing syncable data.
`int`	`getSyncableCount(long syncId)`	Returns the number of data points that could be synchronized from the given point.
`long`	`getSyncIdTimestamp(long syncId)`	Returns the timestamp of the start of the sync group.
`boolean`	`hasSyncableData(long syncId)`	Returns whether there is data available to sync based on the provided id.
`java.util.List<HistoricalData>`	`sync(long syncId)`	This returns a set of data- it's up to the implementation to decide what makes sense.

- Method Detail
  - hasSyncableData
```
boolean hasSyncableData(long syncId)
```
    Returns whether there is data available to sync based on the provided id.
  - getSyncableCount
```
int getSyncableCount(long syncId)
```
    Returns the number of data points that could be synchronized from the given point.
  - getSyncIdTimestamp
```
long getSyncIdTimestamp(long syncId)
```
    Returns the timestamp of the start of the sync group.
  - sync
```
java.util.List<HistoricalData> sync(long syncId)
```
    This returns a set of data- it's up to the implementation to decide what makes sense. If the caller wants more data, it can just call again.
    
    Parameters:
    
    syncId - if 0, returns next set of available data based on last query. Otherwise, starts at the given time period.
  - getDatasource
```
javax.sql.DataSource getDatasource()
```
    Returns the datasource used for storing syncable data.