org.apache.solr.update.processor

Class TemplateUpdateProcessorFactory

java.lang.Object

org.apache.solr.update.processor.UpdateRequestProcessorFactory

org.apache.solr.update.processor.SimpleUpdateProcessorFactory

org.apache.solr.update.processor.TemplateUpdateProcessorFactory

All Implemented Interfaces:

NamedListInitializedPlugin

public class TemplateUpdateProcessorFactory
extends SimpleUpdateProcessorFactory

Adds new fields to documents based on a template pattern specified via Template.field request parameters (multi-valued) or 'field' value specified in initArgs.

The format of the parameter is <field-name>:<the-template-string>, for example:
Template.field=fname:${somefield}some_string${someotherfield}

Since:

6.3.0

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	TemplateUpdateProcessorFactory.Resolved

Nested classes/interfaces inherited from class org.apache.solr.update.processor.UpdateRequestProcessorFactory

UpdateRequestProcessorFactory.RunAlways

Field Summary

Fields

Modifier and Type	Field and Description
static Pattern	BRACES_PLACEHOLDER_PATTERN
static Pattern	DOLLAR_BRACES_PLACEHOLDER_PATTERN
static String	NAME

Fields inherited from class org.apache.solr.update.processor.SimpleUpdateProcessorFactory

initArgs

Constructor Summary

Constructors

Constructor and Description
TemplateUpdateProcessorFactory()

Method Summary

Modifier and Type	Method and Description
protected String	getMyName()
static TemplateUpdateProcessorFactory.Resolved	getResolved(String template, Cache<String,TemplateUpdateProcessorFactory.Resolved> cache, Pattern pattern)
static List<String>	getVariables(String template, Cache<String,TemplateUpdateProcessorFactory.Resolved> cache, Pattern pattern) Get a list of variables embedded in the template string.
protected void	process(AddUpdateCommand cmd, SolrQueryRequest req, SolrQueryResponse rsp) This object is reused across requests.
static String	replaceTokens(String template, Cache<String,TemplateUpdateProcessorFactory.Resolved> cache, Function<String,Object> fun, Pattern pattern)

Methods inherited from class org.apache.solr.update.processor.SimpleUpdateProcessorFactory

getInstance, getParam, getParams, init

Methods inherited from class java.lang.Object

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

Field Detail

NAME

public static final String NAME

See Also:

Constant Field Values

DOLLAR_BRACES_PLACEHOLDER_PATTERN

public static final Pattern DOLLAR_BRACES_PLACEHOLDER_PATTERN

BRACES_PLACEHOLDER_PATTERN

public static final Pattern BRACES_PLACEHOLDER_PATTERN

Constructor Detail

TemplateUpdateProcessorFactory

public TemplateUpdateProcessorFactory()

Method Detail

process

protected void process(AddUpdateCommand cmd,
                       SolrQueryRequest req,
                       SolrQueryResponse rsp)

Description copied from class: SimpleUpdateProcessorFactory

This object is reused across requests. So,this method should not store anything in the instance variable.

Specified by:

process in class SimpleUpdateProcessorFactory

getMyName

protected String getMyName()

Overrides:

getMyName in class SimpleUpdateProcessorFactory

getResolved

public static TemplateUpdateProcessorFactory.Resolved getResolved(String template,
                                                                  Cache<String,TemplateUpdateProcessorFactory.Resolved> cache,
                                                                  Pattern pattern)

getVariables

public static List<String> getVariables(String template,
                                        Cache<String,TemplateUpdateProcessorFactory.Resolved> cache,
                                        Pattern pattern)

Get a list of variables embedded in the template string.

replaceTokens

public static String replaceTokens(String template,
                                   Cache<String,TemplateUpdateProcessorFactory.Resolved> cache,
                                   Function<String,Object> fun,
                                   Pattern pattern)