/*
    DisplayEmployeeFileR.java
    CIS 111
    Dave Klick
    2013-11-19
    
    Reads in random access file data and displays it.
*/

// CIS111App requires a class to represent a R/A record
// This class represents a fixed-length record on disk
class Record {
    // String variables must be initialized to the size the
    // String should be when it is stored on disk
    String name = "12345678901234567890";
    String dept = "12345";
    double rate;
}

public class DisplayEmployeeFileR extends CIS111App {
    public static void main(String[] args) {
        // An example record object is needed for CIS111App R/A
        Record rec = new Record();
        // This opens the file for both input and output
        RandomFile<Record> file = new RandomFile<Record>("emp.jmg", rec);

        // Display headings for report
        println("Name        Dept       Rate");
        println("----------  ------  -------");
        // Process each record
        for (long recnum=1; recnum<=file.numberOfRecords(); recnum++) {
            // Read record at position recnum from file and store in rec
            // Note: record numbering starts at 1
            rec = file.get(recnum);
            printf("%-10s  %-6s  %7.2f\n", rtrim$(rec.name), rec.dept, rec.rate);
        }
        file.close();
    }
}