Examples with LogicalTimestamp org.onosproject.store.LogicalTimestamp used on opensource projects

Example 6 with LogicalTimestamp

use of org.onosproject.store.LogicalTimestamp in project onos by opennetworkinglab.

the class DeviceFlowTable method backupBucketToNode.

/**
 * Backs up the given flow bucket to the given node.
 *
 * @param bucket the bucket to backup
 * @param nodeId the node to which to back up the bucket
 * @return a future to be completed once the bucket has been backed up
 */
private CompletableFuture<Void> backupBucketToNode(FlowBucket bucket, NodeId nodeId) {
    // Record the logical timestamp from the bucket to keep track of the highest logical time replicated.
    LogicalTimestamp timestamp = bucket.timestamp();
    // If the backup can be run (no concurrent backup to the node in progress) then run it.
    BackupOperation operation = new BackupOperation(nodeId, bucket.bucketId().bucket());
    if (startBackup(operation, timestamp)) {
        CompletableFuture<Void> future = new CompletableFuture<>();
        backup(bucket, nodeId).whenCompleteAsync((succeeded, error) -> {
            if (error != null) {
                log.debug("Backup operation {} failed", operation, error);
                failBackup(operation);
            } else if (succeeded) {
                succeedBackup(operation, timestamp);
            } else {
                log.debug("Backup operation {} failed: term mismatch", operation);
                failBackup(operation);
            }
            future.complete(null);
        }, executor);
        return future;
    }
    return CompletableFuture.completedFuture(null);
}