org.apache.asterix.metadata.feeds

Class FeedIntakeOperatorNodePushable

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.FeedIntakeOperatorNodePushable

All Implemented Interfaces:

org.apache.hyracks.api.dataflow.IOperatorNodePushable

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

The runtime for @see{FeedIntakeOperationDescriptor}. Provides the core functionality to set up the artifacts for ingestion of a feed. The artifacts are lazily activated when a feed receives a subscription request.

Field Summary

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

recordDesc, writer

Constructor Summary

Constructors

Constructor and Description
FeedIntakeOperatorNodePushable(org.apache.hyracks.api.context.IHyracksTaskContext ctx, FeedId feedId, IFeedAdapterFactory adapterFactory, int partition, IngestionRuntime ingestionRuntime, FeedPolicyAccessor policyAccessor)

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

FeedIntakeOperatorNodePushable

public FeedIntakeOperatorNodePushable(org.apache.hyracks.api.context.IHyracksTaskContext ctx,
                              FeedId feedId,
                              IFeedAdapterFactory adapterFactory,
                              int partition,
                              IngestionRuntime ingestionRuntime,
                              FeedPolicyAccessor policyAccessor)

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