public
interface
Operation
| com.netflix.astyanax.connectionpool.Operation<CL, R> |
 Known Indirect Subclasses
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Class Overview
Callback interface to perform an operation on a client associated with a connection pool's connection resource
Summary
| Public Methods | |||||||||||
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Execute the operation on the client object and return the results@return
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Return keyspace for this operation.
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Return the host to run on or null to select a host using the load
blancer.
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Return the unique key on which the operation is performed or null if the
operation is performed on multiple keys.
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Public Methods
public abstract R execute (CL client)
Execute the operation on the client object and return the results@return
Throws
| OperationException | |
| ConnectionException |
public abstract String getKeyspace ()
Return keyspace for this operation. Return null if using the current keyspace, or a keyspace is not needed for the operation.
public abstract Host getPinnedHost ()
Return the host to run on or null to select a host using the load blancer. Failover is disabled for this scenario.
public abstract BigInteger getToken ()
Return the unique key on which the operation is performed or null if the operation is performed on multiple keys.