Package org.apache.hadoop.yarn.nodelabels.store

Interface StoreOp<W,R,M>

Type Parameters:
W - write to be done to
R - read to be done from
M - manager used
All Known Implementing Classes:
AddClusterLabelOp, AddNodeToAttributeLogOp, FSNodeStoreLogOp, NodeAttributeMirrorOp, NodeLabelMirrorOp, NodeToLabelOp, RemoveClusterLabelOp, RemoveNodeToAttributeLogOp, ReplaceNodeToAttributeLogOp
public interface StoreOp<W,R,M>
Define the interface for store activity. Used by for FileSystem based operation.

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    recover(R read, M mgr)
    Read and populate StoreOp.
    void
    write(W write, M mgr)
    Write operation to persistent storage.

  • Method Details

    • write

      void write(W write, M mgr) throws IOException
      Write operation to persistent storage.
      Parameters:
      write - write to be done to
      mgr - manager used by store
      Throws:
      IOException - io error occur.

    • recover

      void recover(R read, M mgr) throws IOException
      Read and populate StoreOp.
      Parameters:
      read - read to be done from
      mgr - manager used by store
      Throws:
      IOException - io error occur.