IndexStorePlugin (server 7.3.0 API)

```
public interface IndexStorePlugin
```
A plugin that provides alternative directory implementations.

Nested Class Summary

Nested Classes
Modifier and Type Interface Description

static interface IndexStorePlugin.DirectoryFactory
An interface that describes how to create a new directory instance per shard.

Method Summary

Modifier and Type	Method	Description
`java.util.Map<java.lang.String,IndexStorePlugin.DirectoryFactory>`	`getDirectoryFactories()`	The `IndexStorePlugin.DirectoryFactory` mappings for this plugin.

- Method Detail
  - getDirectoryFactories
```
java.util.Map<java.lang.String,IndexStorePlugin.DirectoryFactory> getDirectoryFactories()
```
    The IndexStorePlugin.DirectoryFactory mappings for this plugin. When an index is created the store type setting IndexModule.INDEX_STORE_TYPE_SETTING on the index will be examined and either use the default or a built-in type, or looked up among all the directory factories from IndexStorePlugin plugins.
    
    Returns:
    
    a map from store type to an directory factory