lux.index.field

Class XPathField<T>

java.lang.Object

lux.index.field.FieldDefinition

lux.index.field.XPathField<T>

Type Parameters:

T - the type of value stored in or indexed by the field; must correspond with the FieldDefinition.Type: STRING => String, and INT => Integer

public class XPathField<T>
extends FieldDefinition

Indexes the values of the XPath expression evaluated with the document as the context item

Nested Class Summary

Nested classes/interfaces inherited from class lux.index.field.FieldDefinition

FieldDefinition.Type

Constructor Summary

Constructors

Constructor and Description
XPathField(String name, String xpath, org.apache.lucene.analysis.Analyzer analyzer, org.apache.lucene.document.Field.Store isStored, FieldDefinition.Type type) create a new indexed field whose values are given by evaluating an XPath expression

Method Summary

Methods

Modifier and Type	Method and Description
Iterable<T>	getValues(XmlIndexer indexer) The Solr XmlUpdateProcessor calls this.

Methods inherited from class lux.index.field.FieldDefinition

getAnalyzer, getDefaultName, getFieldValues, getSolrFieldProperties, getType, isRenameable, isSingleValued, isStored, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

XPathField

public XPathField(String name,
          String xpath,
          org.apache.lucene.analysis.Analyzer analyzer,
          org.apache.lucene.document.Field.Store isStored,
          FieldDefinition.Type type)

create a new indexed field whose values are given by evaluating an XPath expression

Parameters:

name - the name of the field; although Lucene naming conventions are fairly loose, it will go easier if you restrict yourself to [A-Za-z0-9_.-]

xpath - the xpath to evaluate

analyzer - String-valued fields may be subject to further textual analysis, or pass null if the field is not to be analyzed.

isStored - whether the field values are stored (and may be retrieved)

type - the type of data indexed by the field

Method Detail

getValues

public Iterable<T> getValues(XmlIndexer indexer)

Description copied from class: FieldDefinition

The Solr XmlUpdateProcessor calls this. If it returns null, the caller should use the values from getFieldValues() instead.

Overrides:

getValues in class FieldDefinition

Parameters:

indexer - the indexer that holds the field values

Returns:

the accumulated values of the field, as primitive objects (String or Integer). If