completedCheckpoint = retrieveCompletedCheckpoint(checkpointStateHandle); if (completedCheckpoint != null) { retrievedCheckpoints.add(completedCheckpoint);
completedCheckpoint = retrieveCompletedCheckpoint(checkpointStateHandle); if (completedCheckpoint != null) { retrievedCheckpoints.add(completedCheckpoint);
completedCheckpoint = retrieveCompletedCheckpoint(checkpointStateHandle); if (completedCheckpoint != null) { retrievedCheckpoints.add(completedCheckpoint);
completedCheckpoint = retrieveCompletedCheckpoint(checkpointStateHandle); if (completedCheckpoint != null) { retrievedCheckpoints.add(completedCheckpoint);