org.apache.solr.handler.component

Class HttpShardHandlerFactory

java.lang.Object

org.apache.solr.handler.component.ShardHandlerFactory

org.apache.solr.handler.component.HttpShardHandlerFactory

All Implemented Interfaces:

PluginInfoInitialized

public class HttpShardHandlerFactory
extends ShardHandlerFactory
implements PluginInfoInitialized

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.http.client.HttpClient	defaultClient
protected static org.slf4j.Logger	log

Fields inherited from class org.apache.solr.handler.component.ShardHandlerFactory

DEFAULT_SHARDHANDLER_INFO

Constructor Summary

Constructors

Constructor and Description
HttpShardHandlerFactory()

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
protected LBHttpSolrServer	createLoadbalancer(org.apache.http.client.HttpClient httpClient)
protected <T> T	getParameter(NamedList initArgs, String configKey, T defaultValue)
ShardHandler	getShardHandler() Get ShardHandler that uses the default http client.
ShardHandler	getShardHandler(org.apache.http.client.HttpClient httpClient) Get ShardHandler that uses custom http client.
protected ThreadPoolExecutor	getThreadPoolExecutor()
void	init(PluginInfo info)
LBHttpSolrServer.Rsp	makeLoadBalancedRequest(QueryRequest req, List<String> urls) Makes a request to one or more of the given urls, using the configured load balancer.
List<String>	makeURLList(String shard) Creates a randomized list of urls for the given shard.
CompletionService	newCompletionService() Creates a new completion service for use by a single set of distributed requests.

Methods inherited from class org.apache.solr.handler.component.ShardHandlerFactory

newInstance

Methods inherited from class java.lang.Object

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

Field Detail

log

protected static org.slf4j.Logger log

defaultClient

protected org.apache.http.client.HttpClient defaultClient

Constructor Detail

HttpShardHandlerFactory

public HttpShardHandlerFactory()

Method Detail

getShardHandler

public ShardHandler getShardHandler()

Get ShardHandler that uses the default http client.

Specified by:

getShardHandler in class ShardHandlerFactory

getShardHandler

public ShardHandler getShardHandler(org.apache.http.client.HttpClient httpClient)

Get ShardHandler that uses custom http client.

init

public void init(PluginInfo info)

Specified by:

init in interface PluginInfoInitialized

getThreadPoolExecutor

protected ThreadPoolExecutor getThreadPoolExecutor()

createLoadbalancer

protected LBHttpSolrServer createLoadbalancer(org.apache.http.client.HttpClient httpClient)

getParameter

protected <T> T getParameter(NamedList initArgs,
                 String configKey,
                 T defaultValue)

close

public void close()

Specified by:

close in class ShardHandlerFactory

makeLoadBalancedRequest

public LBHttpSolrServer.Rsp makeLoadBalancedRequest(QueryRequest req,
                                           List<String> urls)
                                             throws SolrServerException,
                                                    IOException

Makes a request to one or more of the given urls, using the configured load balancer.

Parameters:

req - The solr search request that should be sent through the load balancer

urls - The list of solr server urls to load balance across

Returns:

The response from the request

Throws:

SolrServerException

IOException

makeURLList

public List<String> makeURLList(String shard)

Creates a randomized list of urls for the given shard.

Parameters:

shard - the urls for the shard, separated by '|'

Returns:

A list of valid urls (including protocol) that are replicas for the shard

newCompletionService

public CompletionService newCompletionService()

Creates a new completion service for use by a single set of distributed requests.