IndexReaderProvider (Red Hat JBoss Enterprise Application Platform 8.0.0.GA public API)

All Known Implementing Classes:

NearRealTimeIndexReaderProvider, NotSharedIndexReaderProvider
```
public interface IndexReaderProvider
```

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`clear()`	Closes and drops any cached resources (index readers in particular).
`org.apache.lucene.index.DirectoryReader`	`getOrCreate()`
`void`	`refresh()`	Make sure the index reader returned by the next call to `getOrCreate()` will return an up-to-date view of the index.

- Method Detail
  - clear
```
void clear()
    throws IOException
```
    Closes and drops any cached resources (index readers in particular).
    Should be used when stopping the index or to clean up upon error.
    
    Throws:
    
    IOException
  - refresh
```
void refresh()
```
    Make sure the index reader returned by the next call to getOrCreate() will return an up-to-date view of the index.
  - getOrCreate
```
org.apache.lucene.index.DirectoryReader getOrCreate()
                                             throws IOException
```
    Returns:
    
    A ready-to-use index reader, with its reference count already increased. Callers are responsible for calling IndexReader.decRef() when they are done with the index reader. Callers must not call IndexReader.close(), as the index reader may be shared.
    
    Throws:
    
    IOException