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public interface SolrRequestHandler
Implementations of SolrRequestHandler are called to handle query requests.
Different SolrRequestHandlers are registered with the SolrCore.
One way to register a SolrRequestHandler with the core is thorugh the solrconfig.xml file.
Example solrconfig.xml entry to register a SolrRequestHandler implementation to
handle all queries with a Request Handler of "/test":
<requestHandler name="/test" class="solr.tst.TestRequestHandler" />
A single instance of any registered SolrRequestHandler is created via the default constructor and is reused for all relevant queries.
| Nested Class Summary |
|---|
| Nested classes/interfaces inherited from interface org.apache.solr.core.SolrInfoMBean |
|---|
SolrInfoMBean.Category |
| Method Summary | |
|---|---|
void |
handleRequest(SolrQueryRequest req,
SolrQueryResponse rsp)
Handles a query request, this method must be thread safe. |
void |
init(NamedList args)
init will be called just once, immediately after creation. |
| Methods inherited from interface org.apache.solr.core.SolrInfoMBean |
|---|
getCategory, getDescription, getDocs, getName, getSource, getStatistics, getVersion |
| Method Detail |
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void init(NamedList args)
init will be called just once, immediately after creation.
The args are user-level initialization parameters that may be specified when declaring a request handler in solrconfig.xml
void handleRequest(SolrQueryRequest req,
SolrQueryResponse rsp)
Information about the request may be obtained from req and
response information may be set using rsp.
There are no mandatory actions that handleRequest must perform. An empty handleRequest implementation would fulfill all interface obligations.
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