CategoryTreeImpl

java.lang.Object
- io.sphere.internal.CategoryTreeImpl

All Implemented Interfaces:

CategoryTree
```
public class CategoryTreeImpl
extends java.lang.Object
implements CategoryTree
```
Fetches and builds the category tree in the background. Blocks on first read if the tree is still being fetched.

Method Summary

Methods
Modifier and Type	Method and Description
`static CategoryTreeImpl`	`createAndBeginBuildInBackground(Categories categoryService, java.util.Locale locale)`
`java.util.List<Category>`	`getAsFlatList()` All categories as a flat list, sorted by name.
`Category`	`getById(java.lang.String id)` Finds a category by id using a in-memory HashMap lookup.
`Category`	`getBySlug(java.lang.String slug)` Finds a category by the slug of the default locale using a in-memory HashMap lookup.
`Category`	`getBySlug(java.lang.String slug, java.util.Locale locale)` Finds a category by the slug and a specific locale using a in-memory HashMap lookup.
`java.util.List<Category>`	`getRoots()` Root categories (the ones that have no parent).
`java.util.List<Category>`	`getRoots(java.util.Comparator<Category> comparator)` Root categories (the ones that have no parent) sorted by comparator for the root level.
`void`	`rebuildAsync()` Rebuilds the category cache for category tree implementations.
`void`	`shutdown()` Shuts down internal thread pools.

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

- Method Detail
  - createAndBeginBuildInBackground
```
public static CategoryTreeImpl createAndBeginBuildInBackground(Categories categoryService,
                                               java.util.Locale locale)
```
  - getRoots
```
public java.util.List<Category> getRoots()
```
    Description copied from interface: CategoryTree
    
    Root categories (the ones that have no parent).
    
    Specified by:
    
    getRoots in interface CategoryTree
  - getRoots
```
public java.util.List<Category> getRoots(java.util.Comparator<Category> comparator)
```
    Description copied from interface: CategoryTree
    
    Root categories (the ones that have no parent) sorted by comparator for the root level.
    
    Specified by:
    
    getRoots in interface CategoryTree
  - getById
```
public Category getById(java.lang.String id)
```
    Description copied from interface: CategoryTree
    
    Finds a category by id using a in-memory HashMap lookup. Returns null if no category with given id exists.
    
    Specified by:
    
    getById in interface CategoryTree
  - getBySlug
```
public Category getBySlug(java.lang.String slug)
```
    Description copied from interface: CategoryTree
    
    Finds a category by the slug of the default locale using a in-memory HashMap lookup. Returns null if no category with given slug exists.
    
    Specified by:
    
    getBySlug in interface CategoryTree
  - getBySlug
```
public Category getBySlug(java.lang.String slug,
                 java.util.Locale locale)
```
    Description copied from interface: CategoryTree
    
    Finds a category by the slug and a specific locale using a in-memory HashMap lookup. Returns null if no category with given slug exists.
    
    Specified by:
    
    getBySlug in interface CategoryTree
  - getAsFlatList
```
public java.util.List<Category> getAsFlatList()
```
    Description copied from interface: CategoryTree
    
    All categories as a flat list, sorted by name.
    
    Specified by:
    
    getAsFlatList in interface CategoryTree
  - rebuildAsync
```
public void rebuildAsync()
```
    Description copied from interface: CategoryTree
    
    Rebuilds the category cache for category tree implementations.
    
    Specified by:
    
    rebuildAsync in interface CategoryTree
  - shutdown
```
public void shutdown()
```
    Shuts down internal thread pools.

Class CategoryTreeImpl

Method Summary

Methods inherited from class java.lang.Object

Method Detail

createAndBeginBuildInBackground

getRoots

getRoots

getById

getBySlug

getBySlug

getAsFlatList

rebuildAsync

shutdown