jidefx.utils

Interface FXUtils.GetHandler<T>

Enclosing class:

FXUtils

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public static interface FXUtils.GetHandler<T>

A simple handler used by getRecursively.

  if ( condition() ) {
      return action();
  }
 

. Here is an example to get the first child of the specified type.

 public static Node getFirstChildOf(final Class clazz, Node c) {
     return getRecursively(c, new GetHandler() {
         public boolean condition(Node c) {
             return clazz.isAssignableFrom(c.getClass());
         }
         public Node action(Node c) {
             return c;
         }
     });
 }
 

Method Summary

Modifier and Type	Method and Description
default java.lang.Object	action(T c) The action you want to perform on this Node.
boolean	condition(T c) If true, it will call action(Object) on this Node.

Method Detail

condition

boolean condition(T c)

If true, it will call action(Object) on this Node.

Parameters:

c - the Node

Returns:

true or false.

action

default java.lang.Object action(T c)

The action you want to perform on this Node. This method will only be called if condition(Object) returns true.

Parameters:

c - the Node

Returns:

the Node that will be returned from FXUtils.getRecursively(Object, FXUtils.GetHandler).