Class LangCollectors.SimpleCollector<T,​A,​R>

  • Type Parameters:
    T - the type of elements to be collected
    R - the type of the result
    All Implemented Interfaces:
    java.util.stream.Collector<T,​A,​R>
    Enclosing class:
    LangCollectors

    private static class LangCollectors.SimpleCollector<T,​A,​R>
    extends java.lang.Object
    implements java.util.stream.Collector<T,​A,​R>
    Simple implementation class for Collector.
    • Nested Class Summary

      • Nested classes/interfaces inherited from interface java.util.stream.Collector

        java.util.stream.Collector.Characteristics
    • Field Summary

      Fields 
      Modifier and Type Field Description
      private java.util.function.BiConsumer<A,​T> accumulator  
      private java.util.Set<java.util.stream.Collector.Characteristics> characteristics  
      private java.util.function.BinaryOperator<A> combiner  
      private java.util.function.Function<A,​R> finisher  
      private java.util.function.Supplier<A> supplier  
    • Constructor Summary

      Constructors 
      Modifier Constructor Description
      private SimpleCollector​(java.util.function.Supplier<A> supplier, java.util.function.BiConsumer<A,​T> accumulator, java.util.function.BinaryOperator<A> combiner, java.util.function.Function<A,​R> finisher, java.util.Set<java.util.stream.Collector.Characteristics> characteristics)  
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      java.util.function.BiConsumer<A,​T> accumulator()  
      java.util.Set<java.util.stream.Collector.Characteristics> characteristics()  
      java.util.function.BinaryOperator<A> combiner()  
      java.util.function.Function<A,​R> finisher()  
      java.util.function.Supplier<A> supplier()  
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Field Detail

      • accumulator

        private final java.util.function.BiConsumer<A,​T> accumulator
      • characteristics

        private final java.util.Set<java.util.stream.Collector.Characteristics> characteristics
      • combiner

        private final java.util.function.BinaryOperator<A> combiner
      • finisher

        private final java.util.function.Function<A,​R> finisher
      • supplier

        private final java.util.function.Supplier<A> supplier
    • Constructor Detail

      • SimpleCollector

        private SimpleCollector​(java.util.function.Supplier<A> supplier,
                                java.util.function.BiConsumer<A,​T> accumulator,
                                java.util.function.BinaryOperator<A> combiner,
                                java.util.function.Function<A,​R> finisher,
                                java.util.Set<java.util.stream.Collector.Characteristics> characteristics)
    • Method Detail

      • accumulator

        public java.util.function.BiConsumer<A,​T> accumulator()
        Specified by:
        accumulator in interface java.util.stream.Collector<T,​A,​R>
      • characteristics

        public java.util.Set<java.util.stream.Collector.Characteristics> characteristics()
        Specified by:
        characteristics in interface java.util.stream.Collector<T,​A,​R>
      • combiner

        public java.util.function.BinaryOperator<A> combiner()
        Specified by:
        combiner in interface java.util.stream.Collector<T,​A,​R>
      • finisher

        public java.util.function.Function<A,​R> finisher()
        Specified by:
        finisher in interface java.util.stream.Collector<T,​A,​R>
      • supplier

        public java.util.function.Supplier<A> supplier()
        Specified by:
        supplier in interface java.util.stream.Collector<T,​A,​R>