org.apache.solr.handler

Class AnalysisRequestHandlerBase

java.lang.Object

org.apache.solr.handler.RequestHandlerBase

org.apache.solr.handler.AnalysisRequestHandlerBase

All Implemented Interfaces:

ApiSupport, SolrInfoBean, NestedRequestHandler, SolrMetricProducer, SolrRequestHandler

Direct Known Subclasses:

DocumentAnalysisRequestHandler, FieldAnalysisRequestHandler

public abstract class AnalysisRequestHandlerBase
extends RequestHandlerBase

A base class for all analysis request handlers.

Since:

solr 1.4

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	AnalysisRequestHandlerBase.AnalysisContext Serves as the context of an analysis process.
protected static class	AnalysisRequestHandlerBase.ListBasedTokenStream TokenStream that iterates over a list of pre-existing Tokens
static interface	AnalysisRequestHandlerBase.TokenTrackingAttribute This is an Attribute used to track the positions of tokens in the analysis chain.
static class	AnalysisRequestHandlerBase.TokenTrackingAttributeImpl Implementation of AnalysisRequestHandlerBase.TokenTrackingAttribute.

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

SolrInfoBean.Category, SolrInfoBean.Group

Field Summary

Fields

Modifier and Type	Field and Description
static Set<BytesRef>	EMPTY_BYTES_SET

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

appends, defaults, httpCaching, initArgs, invariants, metricManager, registryName

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

TYPE

Constructor Summary

Constructors

Constructor and Description
AnalysisRequestHandlerBase()

Method Summary

Modifier and Type	Method and Description
protected NamedList<? extends Object>	analyzeValue(String value, AnalysisRequestHandlerBase.AnalysisContext context) Analyzes the given value using the given Analyzer.
protected abstract NamedList	doAnalysis(SolrQueryRequest req) Performs the analysis based on the given solr request and returns the analysis result as a named list.
protected Set<BytesRef>	getQueryTokenSet(String query, Analyzer analyzer) Analyzes the given text using the given analyzer and returns the produced tokens.
void	handleRequestBody(SolrQueryRequest req, SolrQueryResponse rsp)

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

getApis, getCategory, getDescription, getInitArgs, getMetricNames, getMetricRegistry, getName, getPluginInfo, getRequestHandler, getSolrParamsFromNamedList, getSubHandler, handleRequest, init, 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.core.SolrInfoBean

getMetricsSnapshot, registerMetricName

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

initializeMetrics

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

registerV1, registerV2

Field Detail

EMPTY_BYTES_SET

public static final Set<BytesRef> EMPTY_BYTES_SET

Constructor Detail

AnalysisRequestHandlerBase

public AnalysisRequestHandlerBase()

Method Detail

handleRequestBody

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

Specified by:

handleRequestBody in class RequestHandlerBase

Throws:

Exception

doAnalysis

protected abstract NamedList doAnalysis(SolrQueryRequest req)
                                 throws Exception

Performs the analysis based on the given solr request and returns the analysis result as a named list.

Parameters:

req - The solr request.

Returns:

The analysis result as a named list.

Throws:

Exception - When analysis fails.

analyzeValue

protected NamedList<? extends Object> analyzeValue(String value,
                                                   AnalysisRequestHandlerBase.AnalysisContext context)

Analyzes the given value using the given Analyzer.

Parameters:

value - Value to analyze

context - The analysis context.

Returns:

NamedList containing the tokens produced by analyzing the given value

getQueryTokenSet

protected Set<BytesRef> getQueryTokenSet(String query,
                                         Analyzer analyzer)

Analyzes the given text using the given analyzer and returns the produced tokens.

Parameters:

query - The query to analyze.

analyzer - The analyzer to use.