Ordering (Jackrabbit Core 2.21.12 API)

java.lang.Object
- org.apache.jackrabbit.core.query.lucene.Ordering

```
public class Ordering
extends Object
```
Ordering implements a single ordering specification.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static Ordering`	`fromQOM(org.apache.jackrabbit.spi.commons.query.qom.OrderingImpl ordering, SharedFieldComparatorSource scs, NamespaceMappings nsMappings)`	Creates an ordering from a JCR QOM ordering.
`org.apache.jackrabbit.spi.Name`	`getSelectorName()`
`org.apache.lucene.search.SortField`	`getSortField()`

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

- Method Detail
  - getSelectorName
```
public org.apache.jackrabbit.spi.Name getSelectorName()
```
    Returns:
    
    the selector name where this ordering applies to.
  - getSortField
```
public org.apache.lucene.search.SortField getSortField()
```
    Returns:
    
    the lucene sort field for this ordering.
  - fromQOM
```
public static Ordering fromQOM(org.apache.jackrabbit.spi.commons.query.qom.OrderingImpl ordering,
                               SharedFieldComparatorSource scs,
                               NamespaceMappings nsMappings)
                        throws RepositoryException
```
    Creates an ordering from a JCR QOM ordering.
    
    Parameters:
    
    ordering - the JCR QOM ordering specification.
    
    scs - the sort comparator source from the search index.
    
    nsMappings - the index internal namespace mappings.
    
    Returns:
    
    an ordering.
    
    Throws:
    
    RepositoryException - if an error occurs while translating the JCR QOM ordering.