/**
* Checks to see if there is a check point. If so, and the checkpoint phaseId does not equal,
* NO_PHASE_ID, call the necessary opertions to move to the current checkpoint.
*
* @param splitter the splitter to see if it implments the interface CheckpointHandler.
* @param checkpoint the checkpoint object associated with the given feed file.
* @return true if a move to check point was initiated.
*/
private Boolean performCheckpoint(Splitter splitter, FeedCheckpoint checkpoint) {
// Move to checkpoint if splitter is instance of checkpoint
if (splitter instanceof Checkpointable) {
// Determine if a checkpoint has been created.
if (checkpoint != null && !checkpoint.getPhaseId().equals(CheckpointHelper.NO_PHASE_ID)) {
if (checkpointService != null) checkpointService.beforeCheckpoint();
((Checkpointable) splitter).moveToCheckpoint(checkpoint);
if (checkpointService != null) checkpointService.afterCheckpoint();
return true;
}
}
return false;
}
protected void traversDetailWithCheckpoint(FeedCheckpoint checkpoint) {
final List<Phase> phases = batchPhaseList;
// Determine if a checkpoint has been created and if so, move to it.
Boolean movingToCheckpoint = performCheckpoint(detailSplitter, checkpoint);
while (detailSplitter.hasNextRow()) {
for (Phase phase : phases) {
// Bypass phases processing when restart from a checkpoint.
if (!movingToCheckpoint) {
context.setCurrentPhaseId(phase.getName());
feedJobManager.startPhaseStats(phase, context);
phase.execute();
feedJobManager.endPhaseStats(phase, context);
}
// Checkpoint restart has be reached.
if (movingToCheckpoint && checkpoint.getPhaseId().equals(phase.getName())) {
movingToCheckpoint = false;
}
}
}
}
