Package com.yahoo.search.dispatch

Class InvokerFactory

java.lang.Object

com.yahoo.search.dispatch.InvokerFactory

Direct Known Subclasses:

RpcInvokerFactory

public abstract class InvokerFactory
extends java.lang.Object

Author:

ollivir

Field Summary

Fields

Modifier and Type	Field	Description
protected SearchCluster	searchCluster

Constructor Summary

Constructors

Constructor	Description
InvokerFactory(SearchCluster searchCluster)

Method Summary

Modifier and Type	Method	Description
protected static SearchInvoker	createCoverageErrorInvoker(java.util.List<Node> nodes, java.util.Set<java.lang.Integer> failed)
abstract FillInvoker	createFillInvoker(VespaBackEndSearcher searcher, Result result)
protected abstract java.util.Optional<SearchInvoker>	createNodeSearchInvoker(VespaBackEndSearcher searcher, Query query, int maxHits, Node node)
java.util.Optional<SearchInvoker>	createSearchInvoker(VespaBackEndSearcher searcher, Query query, java.util.OptionalInt groupId, java.util.List<Node> nodes, boolean acceptIncompleteCoverage, int maxHits)	Create a SearchInvoker for a list of content nodes.
void	release()

Methods inherited from class java.lang.Object

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

Field Detail

searchCluster

protected final SearchCluster searchCluster

Constructor Detail

InvokerFactory

public InvokerFactory(SearchCluster searchCluster)

Method Detail

createNodeSearchInvoker

protected abstract java.util.Optional<SearchInvoker> createNodeSearchInvoker(VespaBackEndSearcher searcher,
                                                                             Query query,
                                                                             int maxHits,
                                                                             Node node)

createFillInvoker

public abstract FillInvoker createFillInvoker(VespaBackEndSearcher searcher,
                                              Result result)

createSearchInvoker

public java.util.Optional<SearchInvoker> createSearchInvoker(VespaBackEndSearcher searcher,
                                                             Query query,
                                                             java.util.OptionalInt groupId,
                                                             java.util.List<Node> nodes,
                                                             boolean acceptIncompleteCoverage,
                                                             int maxHits)

Create a SearchInvoker for a list of content nodes.

Parameters:

searcher - the searcher processing the query

query - the search query being processed

groupId - the id of the node group to which the nodes belong

nodes - pre-selected list of content nodes

acceptIncompleteCoverage - if some of the nodes are unavailable and this parameter is false, verify that the remaining set of nodes has sufficient coverage

Returns:

the invoker or empty if some node in the list is invalid and the remaining coverage is not sufficient

createCoverageErrorInvoker

protected static SearchInvoker createCoverageErrorInvoker(java.util.List<Node> nodes,
                                                          java.util.Set<java.lang.Integer> failed)

release

public void release()