com.vaadin.flow.component.internal.DependencyTreeCache API 24.6.4 | Vaadin

com.vaadin.flow.component.internal.

java.lang.Object

com.vaadin.flow.component.internal.DependencyTreeCache<T>

Type Parameters:

T - the value type

All Implemented Interfaces:

public class DependencyTreeCache<T> extends Object implements Serializable

A caching tree traverser for collecting and parsing dependencies.

For internal use only. May be renamed or removed in a future release.

Since:

1.2

Author:

Vaadin Ltd

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor

Description

DependencyTreeCache(SerializableFunction<T,Collection<T>> dependencyParser)

Creates a dependency cache with the given dependency parser.
Method Summary

Modifier and Type

Method

Description

void

clear()

Clears all the contents of the cache.

Set<T>

getDependencies(T node)

Collects all transitive dependencies of the given node, including the node itself.

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

Constructor Details
- DependencyTreeCache
  
  public DependencyTreeCache(SerializableFunction<T,Collection<T>> dependencyParser)
  
  Creates a dependency cache with the given dependency parser.
  
  Parameters:
  
  dependencyParser - a potentially slow callback function that finds the direct dependencies for any given value
Method Details
- getDependencies
  
  public Set<T> getDependencies(T node)
  
  Collects all transitive dependencies of the given node, including the node itself.
  
  Parameters:
  
  node - the node for which to collect dependencies
  
  Returns:
  
  the transitive dependencies of the given node
- clear
  
  public void clear()
  
  Clears all the contents of the cache. A lookup that is in progress while the cache is cleared may return a result that combines previously cached dependencies with newly parsed dependencies.