Package com.yahoo.vespa.curator.transaction

Interface CuratorOperation

All Superinterfaces:
com.yahoo.transaction.Transaction.Operation
public interface CuratorOperation extends com.yahoo.transaction.Transaction.Operation
The ZooKeeper operations that we support doing transactional.
Author:
Ulf Lilleengen, bratseth

  • Method Summary

    Modifier and Type
    Method
    Description
    org.apache.curator.framework.api.transaction.CuratorTransaction
    and(org.apache.curator.framework.api.transaction.CuratorTransaction transaction)
    Returns the transaction resulting from combining this operation with the input transaction
    default void
    check(Curator curator)
    Check if this operation can be performed by calling check(curator, new TransactionChanges()).
    void
    check(Curator curator, TransactionChanges changes)
    Check if this operation can be performed.

  • Method Details

    • and

      org.apache.curator.framework.api.transaction.CuratorTransaction and(org.apache.curator.framework.api.transaction.CuratorTransaction transaction) throws Exception
      Returns the transaction resulting from combining this operation with the input transaction
      Parameters:
      transaction - CuratorTransaction to append this operation to.
      Returns:
      the transaction, for chaining.
      Throws:
      Exception - if unable to create transaction for this operation.

    • check

      default void check(Curator curator)
      Check if this operation can be performed by calling check(curator, new TransactionChanges()).
      Throws:
      IllegalStateException - if it cannot

    • check

      void check(Curator curator, TransactionChanges changes)
      Check if this operation can be performed.
      Parameters:
      curator - the curator instance to check against
      changes - changes which will be done prior to this operation as part of the same transaction. Operations should use both this and the curator instance to check if they can be performed. In addition, they are required to add the change(s) they will perform to the set of changes.
      Throws:
      IllegalStateException - if it cannot be performed