Package org.apache.nutch.fetcher
Class FetcherThreadEvent
- java.lang.Object
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- org.apache.nutch.fetcher.FetcherThreadEvent
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- All Implemented Interfaces:
Serializable
public class FetcherThreadEvent extends Object implements Serializable
This class is used to capture the various events occurring at fetch time. These events are sent to aNutchPublisherimplementation.- See Also:
- Serialized Form
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Nested Class Summary
Nested Classes Modifier and Type Class Description static classFetcherThreadEvent.PublishEventTypeType of event to specify start, end or reporting of a fetch item.
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Constructor Summary
Constructors Constructor Description FetcherThreadEvent(FetcherThreadEvent.PublishEventType eventType, String url)Constructor to create an event to be published
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description voidaddEventData(String key, Object value)Add new data to the eventData object.voidaddOutlinksToEventData(Collection<Outlink> links)Given a collection of lists this method will add it the oultink metadataMap<String,Object>getEventData()Get event dataFetcherThreadEvent.PublishEventTypegetEventType()Get type of this event objectLonggetTimestamp()Get timestamp of current event.StringgetUrl()Get URL of this eventvoidsetEventData(Map<String,Object> eventData)Set metadata to this evenvoidsetEventType(FetcherThreadEvent.PublishEventType eventType)Set event type of this objectvoidsetTimestamp(Long timestamp)Set timestamp for this eventvoidsetUrl(String url)Set URL of this event (fetched page)
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Constructor Detail
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FetcherThreadEvent
public FetcherThreadEvent(FetcherThreadEvent.PublishEventType eventType, String url)
Constructor to create an event to be published- Parameters:
eventType- Type ofeventbeing createdurl- URL of the fetched page to which this event belongs to
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Method Detail
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getEventType
public FetcherThreadEvent.PublishEventType getEventType()
Get type of this event object- Returns:
Eventtype
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setEventType
public void setEventType(FetcherThreadEvent.PublishEventType eventType)
Set event type of this object- Parameters:
eventType- Seteventtype
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setEventData
public void setEventData(Map<String,Object> eventData)
Set metadata to this even- Parameters:
eventData- A map containing important information relevant to this event (fetched page). Exeample - score, title, outlinks, content-type, etc
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setUrl
public void setUrl(String url)
Set URL of this event (fetched page)- Parameters:
url- URL of the fetched page
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addEventData
public void addEventData(String key, Object value)
Add new data to the eventData object.- Parameters:
key- A key to refer to the data being added to this eventvalue- Data to be stored in the event referenced by the above key
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addOutlinksToEventData
public void addOutlinksToEventData(Collection<Outlink> links)
Given a collection of lists this method will add it the oultink metadata- Parameters:
links- A collection of outlinks generating from the fetched page this event refers to
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setTimestamp
public void setTimestamp(Long timestamp)
Set timestamp for this event- Parameters:
timestamp- Timestamp of the occurrence of this event
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