Package org.apache.solr.handler

Class MoreLikeThisHandler

java.lang.Object

org.apache.solr.handler.RequestHandlerBase

org.apache.solr.handler.MoreLikeThisHandler

All Implemented Interfaces:

AutoCloseable, ApiSupport, SolrInfoBean, NestedRequestHandler, SolrMetricProducer, SolrRequestHandler

public class MoreLikeThisHandler
extends RequestHandlerBase

Solr MoreLikeThis -- Return similar documents either based on a single document or based on posted text.

Since:

solr 1.3

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	MoreLikeThisHandler.InterestingTerm
static class	MoreLikeThisHandler.MoreLikeThisHelper	Helper class for MoreLikeThis that can be called from other request handlers

Nested classes/interfaces inherited from interface org.apache.solr.core.SolrInfoBean

SolrInfoBean.Category, SolrInfoBean.Group

Field Summary

Fields inherited from class org.apache.solr.handler.RequestHandlerBase

appends, defaults, httpCaching, initArgs, invariants, solrMetricsContext

Fields inherited from interface org.apache.solr.request.SolrRequestHandler

TYPE

Constructor Summary

Constructors

Constructor	Description
MoreLikeThisHandler()

Method Summary

Modifier and Type	Method	Description
String	getDescription()	Simple one or two line description
void	handleRequestBody(SolrQueryRequest req, SolrQueryResponse rsp)
void	init(NamedList args)	Initializes the SolrRequestHandler by creating three SolrParams named.

Methods inherited from class org.apache.solr.handler.RequestHandlerBase

getApis, getCategory, getInitArgs, getMetricNames, getName, getPluginInfo, getRequestHandler, getSolrMetricsContext, getSolrParamsFromNamedList, getSubHandler, handleRequest, initializeMetrics, setPluginInfo

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.solr.api.ApiSupport

registerV1, registerV2

Methods inherited from interface org.apache.solr.core.SolrInfoBean

getMetricRegistry, getMetricsSnapshot, registerMetricName

Methods inherited from interface org.apache.solr.metrics.SolrMetricProducer

close, initializeMetrics

Constructor Detail

MoreLikeThisHandler

public MoreLikeThisHandler()

Method Detail

init

public void init(NamedList args)

Description copied from class: RequestHandlerBase

Initializes the SolrRequestHandler by creating three SolrParams named.

Name	Description
defaults	Contains all of the named arguments contained within the list element named "defaults".
appends	Contains all of the named arguments contained within the list element named "appends".
invariants	Contains all of the named arguments contained within the list element named "invariants".

Example:

 <lst name="defaults">
 <str name="echoParams">explicit</str>
 <str name="qf">text^0.5 features^1.0 name^1.2 sku^1.5 id^10.0</str>
 <str name="mm">2<-1 5<-2 6<90%</str>
 <str name="bq">incubationdate_dt:[* TO NOW/DAY-1MONTH]^2.2</str>
 </lst>
 <lst name="appends">
 <str name="fq">inStock:true</str>
 </lst>

 <lst name="invariants">
 <str name="facet.field">cat</str>
 <str name="facet.field">manu_exact</str>
 <str name="facet.query">price:[* TO 500]</str>
 <str name="facet.query">price:[500 TO *]</str>
 </lst>
 

Specified by:

init in interface SolrRequestHandler

Overrides:

init in class RequestHandlerBase

Parameters:

args - The NamedList to initialize from

See Also:

RequestHandlerBase.handleRequest(org.apache.solr.request.SolrQueryRequest, org.apache.solr.response.SolrQueryResponse), RequestHandlerBase.handleRequestBody(org.apache.solr.request.SolrQueryRequest, org.apache.solr.response.SolrQueryResponse), SolrPluginUtils.setDefaults(org.apache.solr.request.SolrQueryRequest, org.apache.solr.common.params.SolrParams, org.apache.solr.common.params.SolrParams, org.apache.solr.common.params.SolrParams), See also the example solrconfig.xml located in the Solr codebase (example/solr/conf).

handleRequestBody

public void handleRequestBody(SolrQueryRequest req,
                              SolrQueryResponse rsp)
                       throws Exception

Specified by:

handleRequestBody in class RequestHandlerBase

Throws:

Exception

getDescription

public String getDescription()

Description copied from interface: SolrInfoBean

Simple one or two line description

Specified by:

getDescription in interface SolrInfoBean

Specified by:

getDescription in class RequestHandlerBase