org.apache.tapestry5.internal.util

## Class Holder<T>

- java.lang.Object
- - org.apache.tapestry5.internal.util.Holder<T>

- Type Parameters:
    `T` -

      public class Holder<T>
      extends Object

  An object that holds some type of other object. This is useful for communicating information from an inner class (used as a closure) to the containing method. This is similar to `AtomicReference`, except that it is simpler but not thread safe.

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `Holder()`

  - ### Method Summary

    All Methods Static Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `static <T> Holder<T>` | `create()`
    `static <T> Holder<T>` | `create(T initial)`
    `T` | `get()`
    `boolean` | `hasValue()`
    `void` | `put(T object)`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### Holder

          public Holder()

  - ### Method Detail

    - #### put

          public void put(T object)

    - #### get

          public T get()

    - #### hasValue

          public boolean hasValue()

    - #### create

          public static <T> Holder<T> create()

    - #### create

          public static <T> Holder<T> create(T initial)

5.6.4 - Copyright © 2003-2021 The Apache Software Foundation.