Class MappedReader<IN,​OUT>

  • All Implemented Interfaces:
    java.io.Closeable, java.lang.AutoCloseable, java.lang.Iterable<OUT>, FromFileReader<OUT>

    final class MappedReader<IN,​OUT>
    extends java.lang.Object
    implements FromFileReader<OUT>
    • Field Detail

      • myFilter

        private final java.util.function.Predicate<IN> myFilter
      • myMapper

        private final java.util.function.Function<IN,​OUT> myMapper
    • Constructor Detail

      • MappedReader

        MappedReader​(FromFileReader<IN> supplier,
                     java.util.function.Function<IN,​OUT> mapper)
      • MappedReader

        MappedReader​(FromFileReader<IN> reader,
                     java.util.function.Predicate<IN> filter,
                     java.util.function.Function<IN,​OUT> mapper)
    • Method Detail

      • close

        public void close()
                   throws java.io.IOException
        Specified by:
        close in interface java.lang.AutoCloseable
        Specified by:
        close in interface java.io.Closeable
        Specified by:
        close in interface FromFileReader<IN>
        Throws:
        java.io.IOException
      • read

        public OUT read()
        Description copied from interface: FromFileReader
        Returning null indicates that there are no more items to read. That's the same behaviour as BufferedReader.readLine(). All implementations must return null precisely once.
        Specified by:
        read in interface FromFileReader<IN>