Interface CheckedConsumer<T>

Type Parameters:
T - the value type supplied to this consumer.
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 interface CheckedConsumer<T>
A consumer that may throw, equivalent to Consumer.

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    accept(T t)
    Performs side-effects.
    default CheckedConsumer<T>
    andThen(CheckedConsumer<? super T> after)
    Returns a chained CheckedConsumer that first executes this.accept(t) and then after.accept(t), for a given t of type T.
    static <T> CheckedConsumer<T>
    of(CheckedConsumer<T> methodReference)
    Creates a CheckedConsumer.
    default Consumer<T>
    unchecked()
    Returns an unchecked Consumer that will sneaky throw if an exceptions occurs when accepting a value.

  • Method Details

    • of

      static <T> CheckedConsumer<T> of(CheckedConsumer<T> methodReference)
      Creates a CheckedConsumer. 
      final CheckedConsumer<Value> checkedConsumer = CheckedConsumer.of(Value::stdout);
final Consumer<Value> consumer = checkedConsumer.unchecked();

// prints "Hi" on the console
consumer.accept(CharSeq.of("Hi!"));

// throws
consumer.accept(null);
      Type Parameters:
      T - type of values that are accepted by the consumer
      Parameters:
      methodReference - (typically) a method reference, e.g. Type::method
      Returns:
      a new CheckedConsumer
      See Also:

    • accept

      void accept(T t) throws Throwable
      Performs side-effects.
      Parameters:
      t - a value of type T
      Throws:
      Throwable - if an error occurs

    • andThen

      default CheckedConsumer<T> andThen(CheckedConsumer<? super T> after)
      Returns a chained CheckedConsumer that first executes this.accept(t) and then after.accept(t), for a given t of type T.
      Parameters:
      after - the action that will be executed after this action
      Returns:
      a new CheckedConsumer that chains this and after
      Throws:
      NullPointerException - if after is null

    • unchecked

      default Consumer<T> unchecked()
      Returns an unchecked Consumer that will sneaky throw if an exceptions occurs when accepting a value.
      Returns:
      a new Consumer that throws a Throwable.