com.netflix.astyanax.connectionpool.impl

Class AbstractOperationFilter<CL,R>

java.lang.Object

com.netflix.astyanax.connectionpool.impl.AbstractOperationFilter<CL,R>

Type Parameters:

CL -

R -

All Implemented Interfaces:

Operation<CL,R>

public class AbstractOperationFilter<CL,R>
extends java.lang.Object
implements Operation<CL,R>

Class that wraps an Operation to provide extra functionality. It can be used by extending class to wrap operation executions and then decorate the execute functionality with their own logic

Constructor Summary

Constructors

Constructor and Description
AbstractOperationFilter(Operation<CL,R> next)

Method Summary

Methods

Modifier and Type	Method and Description
R	execute(CL client, ConnectionContext state) Execute the operation on the client object and return the results.
java.lang.String	getKeyspace() Return keyspace for this operation.
Host	getPinnedHost() Return the host to run on or null to select a host using the load blancer.
java.nio.ByteBuffer	getRowKey() Return the unique key on which the operation is performed or null if the operation is performed on multiple keys.

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractOperationFilter

public AbstractOperationFilter(Operation<CL,R> next)

Method Detail

execute

public R execute(CL client,
        ConnectionContext state)
          throws ConnectionException

Description copied from interface: Operation

Execute the operation on the client object and return the results.

Specified by:

execute in interface Operation<CL,R>

Parameters:

client - - The client object

state - - State and metadata specific to the connection

Returns:

Throws:

ConnectionException

getRowKey

public java.nio.ByteBuffer getRowKey()

Description copied from interface: Operation

Return the unique key on which the operation is performed or null if the operation is performed on multiple keys.

Specified by:

getRowKey in interface Operation<CL,R>

Returns:

getKeyspace

public java.lang.String getKeyspace()

Description copied from interface: Operation

Return keyspace for this operation. Return null if using the current keyspace, or a keyspace is not needed for the operation.

Specified by:

getKeyspace in interface Operation<CL,R>

Returns:

getPinnedHost

public Host getPinnedHost()

Description copied from interface: Operation

Return the host to run on or null to select a host using the load blancer. Failover is disabled for this scenario.

Specified by:

getPinnedHost in interface Operation<CL,R>

Returns: