Interface Consumer<T>

Type Parameters:
T - The type of the function input.
Functional Interface:
This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@ConsumerType @FunctionalInterface public interface Consumer<T>
A function that accepts a single argument and produces no result.

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

Since:
1.1
"ThreadSafe"
  • Method Summary

    Modifier and Type
    Method
    Description
    void
    accept(T t)
    Applies this function to the specified argument.
    default Consumer<T>
    andThen(Consumer<? super T> after)
    Compose the specified Consumer to be called after this Consumer.
    static <T> Consumer<T>
    asConsumer(Consumer<T> wrapped)
    Returns a Consumer which wraps a java.util.function.Consumer.
    static <T> Consumer<T>
    Returns a java.util.function.Consumer which wraps the specified Consumer and throws any thrown exceptions.
    static <T> Consumer<T>
    Returns a java.util.function.Consumer which wraps the specified Consumer and discards any thrown Exceptions.
  • Method Details

    • accept

      void accept(T t) throws Exception
      Applies this function to the specified argument.
      Parameters:
      t - The input to this function.
      Throws:
      Exception - An exception thrown by the method.
    • andThen

      default Consumer<T> andThen(Consumer<? super T> after)
      Compose the specified Consumer to be called after this Consumer.
      Parameters:
      after - The Consumer to be called after this Consumer is called. Must not be null.
      Returns:
      A Consumer composed of this Consumer and the specified Consumer.
    • asJavaConsumer

      static <T> Consumer<T> asJavaConsumer(Consumer<T> wrapped)
      Returns a java.util.function.Consumer which wraps the specified Consumer and throws any thrown exceptions.

      The returned java.util.function.Consumer will throw any exception thrown by the wrapped Consumer.

      Type Parameters:
      T - The type of the function input.
      Parameters:
      wrapped - The Consumer to wrap. Must not be null.
      Returns:
      A java.util.function.Consumer which wraps the specified Consumer.
    • asJavaConsumerIgnoreException

      static <T> Consumer<T> asJavaConsumerIgnoreException(Consumer<T> wrapped)
      Returns a java.util.function.Consumer which wraps the specified Consumer and discards any thrown Exceptions.

      The returned java.util.function.Consumer will discard any Exception thrown by the wrapped Consumer.

      Type Parameters:
      T - The type of the function input.
      Parameters:
      wrapped - The Consumer to wrap. Must not be null.
      Returns:
      A java.util.function.Consumer which wraps the specified Consumer.
    • asConsumer

      static <T> Consumer<T> asConsumer(Consumer<T> wrapped)
      Returns a Consumer which wraps a java.util.function.Consumer.
      Type Parameters:
      T - The type of the function input.
      Parameters:
      wrapped - The java.util.function.Consumer to wrap. Must not be null.
      Returns:
      A Consumer which wraps the specified java.util.function.Consumer.