org.apache.solr.core

Interface SolrEventListener

All Superinterfaces:

NamedListInitializedPlugin

All Known Implementing Classes:

AbstractSolrEventListener, ExternalFileFieldReloader, QuerySenderListener

public interface SolrEventListener
extends NamedListInitializedPlugin

Field Summary

Fields

Modifier and Type	Field and Description
static org.slf4j.Logger	log

Method Summary

Methods

Modifier and Type	Method and Description
void	newSearcher(SolrIndexSearcher newSearcher, SolrIndexSearcher currentSearcher) The searchers passed here are only guaranteed to be valid for the duration of this method call, so care should be taken not to spawn threads or asynchronous tasks with references to these searchers.
void	postCommit()
void	postSoftCommit()

Methods inherited from interface org.apache.solr.util.plugin.NamedListInitializedPlugin

init

Field Detail

log

static final org.slf4j.Logger log

Method Detail

postCommit

void postCommit()

postSoftCommit

void postSoftCommit()

newSearcher

void newSearcher(SolrIndexSearcher newSearcher,
               SolrIndexSearcher currentSearcher)

The searchers passed here are only guaranteed to be valid for the duration of this method call, so care should be taken not to spawn threads or asynchronous tasks with references to these searchers.

Implementations should add the EventParams.EVENT parameter and set it to a value of either:

• EventParams.FIRST_SEARCHER - First Searcher event
• EventParams.NEW_SEARCHER - New Searcher event

Sample:

    if (currentSearcher != null) {
      nlst.add(CommonParams.EVENT, CommonParams.NEW_SEARCHER);
    } else {
      nlst.add(CommonParams.EVENT, CommonParams.FIRST_SEARCHER);
    }

 

Parameters:

newSearcher - The new SolrIndexSearcher to use

currentSearcher - The existing SolrIndexSearcher. null if this is a firstSearcher event.

See Also:

AbstractSolrEventListener.addEventParms(org.apache.solr.search.SolrIndexSearcher, org.apache.solr.common.util.NamedList)