org.apache.asterix.metadata.feeds

Class FeedMessageOperatorNodePushable

java.lang.Object

org.apache.hyracks.dataflow.std.base.AbstractOperatorNodePushable

org.apache.hyracks.dataflow.std.base.AbstractUnaryOutputOperatorNodePushable

org.apache.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable

org.apache.asterix.metadata.feeds.FeedMessageOperatorNodePushable

All Implemented Interfaces:

org.apache.hyracks.api.dataflow.IOperatorNodePushable

public class FeedMessageOperatorNodePushable
extends org.apache.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable

Runtime for the FeedMessageOpertorDescriptor. This operator is responsible for communicating a feed message to the local feed manager on the host node controller.

See Also:

IFeedMessage IFeedManager

Field Summary

Fields inherited from class org.apache.hyracks.dataflow.std.base.AbstractUnaryOutputOperatorNodePushable

recordDesc, writer

Constructor Summary

Constructors

Constructor and Description
FeedMessageOperatorNodePushable(org.apache.hyracks.api.context.IHyracksTaskContext ctx, FeedConnectionId connectionId, IFeedMessage feedMessage, int partition, int nPartitions)

Method Summary

Methods

Modifier and Type	Method and Description
void	initialize()

Methods inherited from class org.apache.hyracks.dataflow.std.base.AbstractUnaryOutputSourceOperatorNodePushable

getInputArity, getInputFrameWriter

Methods inherited from class org.apache.hyracks.dataflow.std.base.AbstractUnaryOutputOperatorNodePushable

deinitialize, setOutputFrameWriter

Methods inherited from class org.apache.hyracks.dataflow.std.base.AbstractOperatorNodePushable

getDisplayName

Methods inherited from class java.lang.Object

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

Constructor Detail

FeedMessageOperatorNodePushable

public FeedMessageOperatorNodePushable(org.apache.hyracks.api.context.IHyracksTaskContext ctx,
                               FeedConnectionId connectionId,
                               IFeedMessage feedMessage,
                               int partition,
                               int nPartitions)

Method Detail

initialize

public void initialize()
                throws org.apache.hyracks.api.exceptions.HyracksDataException

Specified by:

initialize in interface org.apache.hyracks.api.dataflow.IOperatorNodePushable

Overrides:

initialize in class org.apache.hyracks.dataflow.std.base.AbstractUnaryOutputOperatorNodePushable

Throws:

org.apache.hyracks.api.exceptions.HyracksDataException