Class Printer

  • All Implemented Interfaces:
    CSProcess

    public class Printer
    extends java.lang.Object
    implements CSProcess
    Prints each Object from its input channel to a PrintStream.

    Process Diagram

    Description

    Printer is a process for printing each object from its in channel to a PrintStream object (by default, System.out).

    For convenience, Printer may be configured with prefix and postfix strings with which to decorate its output.

    Channel Protocols

    Input Channels
    in java.lang.Object The in Channel can accept data of any Class.

    Example

    See the example in Merge.
    Author:
    P.H. Welch and P.D. Austin
    See Also:
    Parallel
    • Constructor Summary

      Constructors 
      Constructor Description
      Printer​(ChannelInput in)
      Construct a new Printer with System.out as its PrintStream and empty prefix and postfix strings.
      Printer​(ChannelInput in, java.io.PrintStream printStream)
      Construct a new Printer with empty prefix and postfix strings.
      Printer​(ChannelInput in, java.io.PrintStream printStream, java.lang.String prefix, java.lang.String postfix)
      Construct a new Printer.
      Printer​(ChannelInput in, java.lang.String prefix, java.lang.String postfix)
      Construct a new Printer with System.out as its PrintStream.
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void run()
      The main body of this process.
      • Methods inherited from class java.lang.Object

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

      • Printer

        public Printer​(ChannelInput in)
        Construct a new Printer with System.out as its PrintStream and empty prefix and postfix strings.
        Parameters:
        in - the channel from which to read
      • Printer

        public Printer​(ChannelInput in,
                       java.lang.String prefix,
                       java.lang.String postfix)
        Construct a new Printer with System.out as its PrintStream.
        Parameters:
        in - the channel from which to read
        prefix - the string to write in front of each object
        postfix - the string to write after each object
      • Printer

        public Printer​(ChannelInput in,
                       java.io.PrintStream printStream)
        Construct a new Printer with empty prefix and postfix strings.
        Parameters:
        in - the channel from which to read
        printStream - the stream to which to write
      • Printer

        public Printer​(ChannelInput in,
                       java.io.PrintStream printStream,
                       java.lang.String prefix,
                       java.lang.String postfix)
        Construct a new Printer.
        Parameters:
        in - he channel from which to read
        printStream - the stream to which to write
        prefix - the string to write in front of each object
        postfix - the string to write after each object
    • Method Detail

      • run

        public void run()
        The main body of this process.
        Specified by:
        run in interface CSProcess