Package com.yahoo.vespa.streamingvisitors

Class VdsStreamingSearcher

java.lang.Object

com.yahoo.component.AbstractComponent

com.yahoo.component.chain.ChainedComponent

com.yahoo.processing.Processor

com.yahoo.search.Searcher

com.yahoo.search.cluster.PingableSearcher

com.yahoo.prelude.fastsearch.VespaBackEndSearcher

com.yahoo.vespa.streamingvisitors.VdsStreamingSearcher

All Implemented Interfaces:

com.yahoo.component.Component, com.yahoo.component.Deconstructable, Comparable<com.yahoo.component.Component>

public class VdsStreamingSearcher
extends VespaBackEndSearcher

The searcher which forwards queries to storage nodes using visiting. The searcher is a visitor client responsible for starting search visitors in storage and collecting and merging the results.

Author:

baldersheim, Ulf Carlin

Nested Class Summary

Nested classes/interfaces inherited from class com.yahoo.prelude.fastsearch.VespaBackEndSearcher

VespaBackEndSearcher.FillHitsResult

Field Summary

Fields inherited from class com.yahoo.component.AbstractComponent

isDeconstructable

Constructor Summary

Constructors

Constructor	Description
VdsStreamingSearcher(com.yahoo.container.core.documentapi.VespaDocumentAccess access)

Method Summary

Modifier and Type	Method	Description
protected void	doPartialFill(Result result, String summaryClass)
Result	doSearch2(Query query, Execution execution)	Searches a search cluster This is an endpoint - searchers will never propagate the search to any nested searcher.
Pong	ping(Ping ping, Execution execution)	Send a ping request downwards to probe if this searcher chain is in functioning order
void	setDocumentType(String documentType)
void	setSearchClusterName(String clusterName)
void	setStorageClusterRouteSpec(String storageClusterRouteSpec)

Methods inherited from class com.yahoo.prelude.fastsearch.VespaBackEndSearcher

fill, fillHits, getDefaultDocsumClass, getDocsumDefinitionSet, getDocumentDatabase, getLogger, getName, getServerId, init, isLoggingFine, search, shutDown, summaryNeedsQuery, transformQuery

Methods inherited from class com.yahoo.search.Searcher

ensureFilled, process, toString

Methods inherited from class com.yahoo.component.chain.ChainedComponent

getAnnotatedDependencies, getDefaultAnnotatedDependencies, getDependencies, initDependencies

Methods inherited from class com.yahoo.component.AbstractComponent

clone, compareTo, deconstruct, getClassName, getId, getIdString, hasInitializedId, initId, isDeconstructable, setIsDeconstructable

Methods inherited from class java.lang.Object

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

Constructor Detail

VdsStreamingSearcher

public VdsStreamingSearcher(com.yahoo.container.core.documentapi.VespaDocumentAccess access)

Method Detail

setSearchClusterName

public final void setSearchClusterName(String clusterName)

setDocumentType

public final void setDocumentType(String documentType)

setStorageClusterRouteSpec

public final void setStorageClusterRouteSpec(String storageClusterRouteSpec)

doPartialFill

protected void doPartialFill(Result result,
                             String summaryClass)

Specified by:

doPartialFill in class VespaBackEndSearcher

doSearch2

public Result doSearch2(Query query,
                        Execution execution)

Description copied from class: VespaBackEndSearcher

Searches a search cluster This is an endpoint - searchers will never propagate the search to any nested searcher.

Specified by:

doSearch2 in class VespaBackEndSearcher

Parameters:

query - the query to search

execution - the query execution context

ping

public Pong ping(Ping ping,
                 Execution execution)

Description copied from class: PingableSearcher

Send a ping request downwards to probe if this searcher chain is in functioning order

Overrides:

ping in class PingableSearcher