LuceneUtils (Alfresco Repository 8.310 API)

java.lang.Object
- org.alfresco.repo.search.LuceneUtils

```
public class LuceneUtils
extends Object
```
Lucene utils

Author:

Andy

Constructor Summary

Constructors
Constructor Description

LuceneUtils()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static String`	`createDateRangeQuery(Date fromDate, Date toDate, QName dateProperty, DictionaryService dictionaryService, NamespaceService namespaceService)`	This method creates a Lucene query fragment which constrains the specified dateProperty to a range given by the fromDate and toDate parameters.
`static String`	`getLuceneDateString(Date date)`	Returns a date string in the format required by Lucene.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - LuceneUtils
```
public LuceneUtils()
```
- Method Detail
  - getLuceneDateString
```
public static String getLuceneDateString(Date date)
```
    Returns a date string in the format required by Lucene.
    
    Since:
    
    4.0
  - createDateRangeQuery
```
public static String createDateRangeQuery(Date fromDate,
                                          Date toDate,
                                          QName dateProperty,
                                          DictionaryService dictionaryService,
                                          NamespaceService namespaceService)
```
    This method creates a Lucene query fragment which constrains the specified dateProperty to a range given by the fromDate and toDate parameters.
    
    Parameters:
    
    fromDate - the start of the date range (defaults to 1970-01-01 00:00:00 if null).
    
    toDate - the end of the date range (defaults to 3000-12-31 00:00:00 if null).
    
    dateProperty - the Alfresco property value to check against the range (must be a valid Date or DateTime property).
    
    Returns:
    
    the Lucene query fragment.
    
    Throws:
    
    NullPointerException - if dateProperty is null or if the dateProperty is not recognised by the system.
    
    IllegalArgumentException - if dateProperty refers to a property that is not of type DataTypeDefinition.DATE or DataTypeDefinition.DATETIME.