org.scale7.cassandra.pelops
Class ManagerOperand

java.lang.Object
  org.scale7.cassandra.pelops.ManagerOperand

Direct Known Subclasses:

ClusterManager, ColumnFamilyManager, KeyspaceManager

public class ManagerOperand
extends Object

Nested Class Summary

protected static interface

ManagerOperand.IManagerOperation<ReturnType>

Method Summary

protected void	openClient() Acquire connections to cluster nodes in a manner that reduces the likelihood of synchronization issues in the event of failure.
protected <ReturnType> ReturnType	tryOperation(ManagerOperand.IManagerOperation<ReturnType> operation)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

openClient

protected void openClient()
                   throws Exception

Acquire connections to cluster nodes in a manner that reduces the likelihood of synchronization issues in the event of failure. See http://wiki.apache.org/cassandra/FAQ#no_keyspaces for an explanation.

Throws:

Exception

tryOperation

protected <ReturnType> ReturnType tryOperation(ManagerOperand.IManagerOperation<ReturnType> operation)
                           throws Exception

Throws:

Exception