JerseyAppHandlerCache (Solr 9.2.1 core API)

java.lang.Object
- org.apache.solr.jersey.JerseyAppHandlerCache

```
public class JerseyAppHandlerCache
extends Object
```
Stores Jersey 'ApplicationHandler' instances by an ID or hash derived from their ConfigSet.
ApplicationHandler creation is expensive; caching these objects allows them to be shared by multiple cores with the same configuration.

Constructor Summary

Constructors
Constructor Description

JerseyAppHandlerCache()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`org.glassfish.jersey.server.ApplicationHandler`	`computeIfAbsent(String effectiveSolrConfigId, Supplier<org.glassfish.jersey.server.ApplicationHandler> createApplicationHandler)`	Return the 'ApplicationHandler' associated with the provided ID, creating it first if necessary.
`int`	`size()`

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

- Constructor Detail
  - JerseyAppHandlerCache
```
public JerseyAppHandlerCache()
```
- Method Detail
  - computeIfAbsent
```
public org.glassfish.jersey.server.ApplicationHandler computeIfAbsent(String effectiveSolrConfigId,
                                                                      Supplier<org.glassfish.jersey.server.ApplicationHandler> createApplicationHandler)
```
    Return the 'ApplicationHandler' associated with the provided ID, creating it first if necessary.
    This method is thread-safe by virtue of its delegation to Cache.get(Object, Function) internally.
    
    Parameters:
    
    effectiveSolrConfigId - an ID to associate the ApplicationHandler with. Usually created via SolrConfig.effectiveId().
    
    createApplicationHandler - a Supplier producing an ApplicationHandler
  - size
```
public int size()
```