Package org.apache.solr.handler

Class ContentStreamHandlerBase

java.lang.Object

org.apache.solr.handler.RequestHandlerBase

org.apache.solr.handler.ContentStreamHandlerBase

All Implemented Interfaces:

AutoCloseable, ApiSupport, SolrInfoBean, NestedRequestHandler, SolrMetricProducer, SolrRequestHandler, PermissionNameProvider

Direct Known Subclasses:

UpdateRequestHandler

public abstract class ContentStreamHandlerBase
extends RequestHandlerBase

Shares common code between various handlers that manipulate ContentStream objects.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.solr.handler.RequestHandlerBase

RequestHandlerBase.HandlerMetrics

Nested classes/interfaces inherited from interface org.apache.solr.security.PermissionNameProvider

PermissionNameProvider.Name

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

aggregateNodeLevelMetricsEnabled, appends, defaults, httpCaching, initArgs, invariants, metrics, publishCpuTime, REQUEST_CPU_TIMER_CONTEXT, solrMetricsContext, SOURCE_ATTR

Fields inherited from interface org.apache.solr.security.PermissionNameProvider

ANY, NULL, values

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

CATEGORY_ATTR, HANDLER_ATTR, NAME_ATTR, OPERATION_ATTR, PLUGIN_NAME_ATTR, RESULT_ATTR, TYPE_ATTR

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

TYPE

Constructor Summary

Constructors

Constructor	Description
ContentStreamHandlerBase()

Method Summary

Modifier and Type	Method	Description
protected boolean	checkCircuitBreakers(SolrQueryRequest req, SolrQueryResponse rsp)	Check if SolrRequest.SolrRequestType.UPDATE circuit breakers are tripped.
void	handleRequestBody(SolrQueryRequest req, SolrQueryResponse rsp)
void	init(org.apache.solr.common.util.NamedList<?> args)	Initializes the SolrRequestHandler by creating three SolrParams named.
protected abstract ContentStreamLoader	newLoader(SolrQueryRequest req, UpdateRequestProcessor processor)

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

getApis, getCategory, getDescription, getInitArgs, getMetricsForThisRequest, getName, getPluginInfo, getRequestHandler, getSolrMetricsContext, getSolrParamsFromNamedList, getSubHandler, handleRequest, initializeMetrics, isInternalShardRequest, processErrorMetricsOnException, processReceivedException, 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

getJerseyResources, registerV1, registerV2

Methods inherited from interface org.apache.solr.security.PermissionNameProvider

getPermissionName

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

close

Constructor Details

ContentStreamHandlerBase

public ContentStreamHandlerBase()

Method Details

init

public void init(org.apache.solr.common.util.NamedList<?> args)

Description copied from class: RequestHandlerBase

Initializes the SolrRequestHandler by creating three SolrParams named.

table of parameters

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

checkCircuitBreakers

protected boolean checkCircuitBreakers(SolrQueryRequest req,
 SolrQueryResponse rsp)

Check if SolrRequest.SolrRequestType.UPDATE circuit breakers are tripped. Override this method in sub classes that do not want to check circuit breakers.

Returns:

true if circuit breakers are tripped, false otherwise.

newLoader

protected abstract ContentStreamLoader newLoader(SolrQueryRequest req,
 UpdateRequestProcessor processor)