org.apache.asterix.metadata.entities

Class Feed

java.lang.Object

org.apache.asterix.metadata.entities.Feed

All Implemented Interfaces:

Serializable, IMetadataEntity

Direct Known Subclasses:

PrimaryFeed, SecondaryFeed

public class Feed
extends Object
implements IMetadataEntity

Feed POJO

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Feed.FeedType

Field Summary

Fields

Modifier and Type	Field and Description
protected FunctionSignature	appliedFunction The function that is to be applied on each incoming feed tuple
protected String	displayName A string representation of the instance
protected FeedId	feedId A unique identifier for the feed
protected Feed.FeedType	feedType The type FeedType associated with the feed.

Fields inherited from interface org.apache.asterix.metadata.api.IMetadataEntity

PENDING_ADD_OP, PENDING_DROP_OP, PENDING_NO_OP

Constructor Summary

Constructors

Constructor and Description
Feed(String dataverseName, String datasetName, FunctionSignature appliedFunction, Feed.FeedType feedType)

Method Summary

Methods

Modifier and Type	Method and Description
Object	addToCache(MetadataCache cache)
Object	dropFromCache(MetadataCache cache)
boolean	equals(Object other)
FunctionSignature	getAppliedFunction()
String	getDataverseName()
FeedId	getFeedId()
String	getFeedName()
Feed.FeedType	getFeedType()
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

feedId

protected final FeedId feedId

A unique identifier for the feed

appliedFunction

protected final FunctionSignature appliedFunction

The function that is to be applied on each incoming feed tuple

feedType

protected final Feed.FeedType feedType

The type FeedType associated with the feed.

displayName

protected final String displayName

A string representation of the instance

Constructor Detail

Feed

public Feed(String dataverseName,
    String datasetName,
    FunctionSignature appliedFunction,
    Feed.FeedType feedType)

Method Detail

getFeedId

public FeedId getFeedId()

getDataverseName

public String getDataverseName()

getFeedName

public String getFeedName()

getAppliedFunction

public FunctionSignature getAppliedFunction()

getFeedType

public Feed.FeedType getFeedType()

equals

public boolean equals(Object other)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object

addToCache

public Object addToCache(MetadataCache cache)

Specified by:

addToCache in interface IMetadataEntity

dropFromCache

public Object dropFromCache(MetadataCache cache)

Specified by:

dropFromCache in interface IMetadataEntity