public class DefaultValueUpdateProcessorFactory extends AbstractDefaultValueUpdateProcessorFactory
An update processor that adds a constant default value to any document being added that does not already have a value in the specified field.
In the example configuration below, if a document does not contain a value
in the price
and/or type
fields, it will be given
default values of 0.0
and/or unknown
(respectively).
<processor class="solr.DefaultValueUpdateProcessorFactory"> <str name="fieldName">price</str> <float name="value">0.0</float> </processor> <processor class="solr.DefaultValueUpdateProcessorFactory"> <str name="fieldName">type</str> <str name="value">unknown</str> </processor>
UpdateRequestProcessorFactory.RunAlways
Modifier and Type | Field and Description |
---|---|
protected Object |
defaultValue |
fieldName
Constructor and Description |
---|
DefaultValueUpdateProcessorFactory() |
Modifier and Type | Method and Description |
---|---|
UpdateRequestProcessor |
getInstance(SolrQueryRequest req,
SolrQueryResponse rsp,
UpdateRequestProcessor next) |
void |
init(NamedList args) |
protected Object defaultValue
public void init(NamedList args)
init
in interface NamedListInitializedPlugin
init
in class AbstractDefaultValueUpdateProcessorFactory
public UpdateRequestProcessor getInstance(SolrQueryRequest req, SolrQueryResponse rsp, UpdateRequestProcessor next)
getInstance
in class UpdateRequestProcessorFactory
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