org.imixs.workflow.engine.lucene

Class LuceneItemAdapter

java.lang.Object

org.imixs.workflow.engine.lucene.LuceneItemAdapter

@Named
public class LuceneItemAdapter
extends Object

The LuceneItemAdapter is CDI bean, providing methods to convert the value of an Imixs Item into a IndexableField. This Fields can be stored in a Lucene Document.

Version:

1.0

Author:

rsoika

See Also:

LuceneUdpateService#addItemValues

Constructor Summary

Constructors

Constructor and Description
LuceneItemAdapter()

Method Summary

Modifier and Type	Method and Description
org.apache.lucene.index.IndexableField	adaptItemValue(String itemName, Object itemValue, boolean doAnalyze) Creates a Indexable Lucene Field to be stored in a lucene document.
org.apache.lucene.document.SortedDocValuesField	adaptSortableItemValue(String itemName, Object itemValue) This method converts an ItemValue into a SortedDocValuesField.
String	convertItemValue(Object itemValue) This method converts a ItemValue into a indexable text format.

Methods inherited from class java.lang.Object

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

Constructor Detail

LuceneItemAdapter

public LuceneItemAdapter()

Method Detail

adaptItemValue

public org.apache.lucene.index.IndexableField adaptItemValue(String itemName,
                                                             Object itemValue,
                                                             boolean doAnalyze)

Creates a Indexable Lucene Field to be stored in a lucene document. The content of the itemValue will be converted and depending on the parameter doAnalye converted into a TextField or in a StringField. The later is used for exact match.

Parameters:

itemName - - name of the item will be used as the doc field name

itemValue - - the item value which will be converted by the method convertItemValue

doAnalyze - - if true the content will by analyzed by the LuceneAnalyzer configured in the IndexWriter

Returns:

adaptSortableItemValue

public org.apache.lucene.document.SortedDocValuesField adaptSortableItemValue(String itemName,
                                                                              Object itemValue)

This method converts an ItemValue into a SortedDocValuesField.

Parameters:

itemName - - name of the item will be used as the doc field name

itemValue - - the item value which will be converted by the method convertItemValue

Returns:

SortedDocValuesField

convertItemValue

public String convertItemValue(Object itemValue)

This method converts a ItemValue into a indexable text format. This method currently converts only Calendar and Date objects into a Luncene string representation of a date time value

Parameters:

itemValue - - object to be converted into a string

Returns:

string value