程序包 org.springframework.boot.context.properties.bind

类 BindResult<T>

java.lang.Object
org.springframework.boot.context.properties.bind.BindResult<T>
类型参数:
T - the result type
public final class BindResult<T> extends Object
A container object to return the result of a Binder bind operation. May contain either a successfully bound object or an empty result.
从以下版本开始:
2.0.0
作者:
Phillip Webb, Madhura Bhave

  • 方法概要

    修饰符和类型
    方法
    说明
    boolean
    equals(Object obj)
     
    T
    get()
    Return the object that was bound or throw a NoSuchElementException if no value was bound.
    int
    hashCode()
     
    void
    ifBound(Consumer<? super T> consumer)
    Invoke the specified consumer with the bound value, or do nothing if no value has been bound.
    boolean
    isBound()
    Returns true if a result was bound.
    <U> BindResult<U>
    map(Function<? super T,? extends U> mapper)
    Apply the provided mapping function to the bound value, or return an updated unbound result if no value has been bound.
    T
    orElse(T other)
    Return the object that was bound, or other if no value has been bound.
    T
    orElseGet(Supplier<? extends T> other)
    Return the object that was bound, or the result of invoking other if no value has been bound.
    <X extends Throwable>
    T
    orElseThrow(Supplier<? extends X> exceptionSupplier)
    Return the object that was bound, or throw an exception to be created by the provided supplier if no value has been bound.

    从类继承的方法 java.lang.Object

    clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

  • 方法详细资料

    • get

      public T get() throws NoSuchElementException
      Return the object that was bound or throw a NoSuchElementException if no value was bound.
      返回:
      the bound value (never null)
      抛出:
      NoSuchElementException - if no value was bound
      另请参阅:

    • isBound

      public boolean isBound()
      Returns true if a result was bound.
      返回:
      if a result was bound

    • ifBound

      public void ifBound(Consumer<? super T> consumer)
      Invoke the specified consumer with the bound value, or do nothing if no value has been bound.
      参数:
      consumer - block to execute if a value has been bound

    • map

      public <U> BindResult<U> map(Function<? super T,? extends U> mapper)
      Apply the provided mapping function to the bound value, or return an updated unbound result if no value has been bound.
      类型参数:
      U - the type of the result of the mapping function
      参数:
      mapper - a mapping function to apply to the bound value. The mapper will not be invoked if no value has been bound.
      返回:
      an BindResult describing the result of applying a mapping function to the value of this BindResult.

    • orElse

      public T orElse(T other)
      Return the object that was bound, or other if no value has been bound.
      参数:
      other - the value to be returned if there is no bound value (may be null)
      返回:
      the value, if bound, otherwise other

    • orElseGet

      public T orElseGet(Supplier<? extends T> other)
      Return the object that was bound, or the result of invoking other if no value has been bound.
      参数:
      other - a Supplier of the value to be returned if there is no bound value
      返回:
      the value, if bound, otherwise the supplied other

    • orElseThrow

      public <X extends Throwable> T orElseThrow(Supplier<? extends X> exceptionSupplier) throws X
      Return the object that was bound, or throw an exception to be created by the provided supplier if no value has been bound.
      类型参数:
      X - the type of the exception to be thrown
      参数:
      exceptionSupplier - the supplier which will return the exception to be thrown
      返回:
      the present value
      抛出:
      X - if there is no value present

    • equals

      public boolean equals(Object obj)
      覆盖:
      equals 在类中 Object

    • hashCode

      public int hashCode()
      覆盖:
      hashCode 在类中 Object