/// <summary>
/// To join the current instance of Record collection to another instance
/// </summary>
/// <param name="target">Target array you wish to combine with the source</param>
public void JoinArrays(RecordCollection target)
{
//loops through each record in the target and adds it to the current records.
for (int i = 0; i < target.Records.currentCapacity; i++)
{
Records.AddRecord(target.Records[i]);
}
SortAlgorithms.HeapSort(this, c => c.Timestamp);
}
/// <summary>
/// The operation menu contains all the operations that you can perform on a given field
/// </summary>
/// <typeparam name="T">To reduce redundancy, I've specified a generic type method to ensure properties of the SesmicRecord
/// such as int, double, TimeSpan are inferred by the compiler</typeparam>
/// <param name="region">region data to operate on</param>
/// <param name="propertyField">A selected property (column) to perform the required operations on</param>
static private void OperationMenu <T>(RecordCollection region, Func <SeismicRecord, T> propertyField) where T : IComparable
{
int userInput;
do
{
Console.WriteLine("Which of the following you want to perform?" +
"\n1)Heap Sort and display corresponding values" +
"\n2)Binary Search by a field" +
"\n3)Find Max and minimum value" +
"\n4)Go back!");
userInput = short.Parse(Console.ReadLine());
//paramName; a name of currently passed propertField parameter i.e. month => month.Month is month
string paramName = propertyField.Method.GetParameters()[0].Name;
switch (userInput)
{
case 1:
//sort in the chosen order
Console.WriteLine("1)Ascending" +
"\n2)Descending");
int sortInput = short.Parse(Console.ReadLine());
switch (sortInput)
{
//sets the region's desired sort order before sorting
case 1: region.SortOrder = true; break;
case 2: region.SortOrder = false; break;
default: Console.WriteLine("No such sorting option exists!"); break;
}
//when order is set, sort the region records by the property
SortAlgorithms.HeapSort(region, propertyField);
region.Records.ListRecords(); //list the records when it's sorted
Console.WriteLine("There are currently: {0} records\n", region.Records.currentCapacity);
break;
case 2:
//how the found records to be displayed
Console.WriteLine("1)Display corresponding values" +
"\n2)Display only selected field");
int searchInput = short.Parse(Console.ReadLine());
switch (searchInput)
{
//sets the decision on how to display the records
case 1: region.CorrespondingFields = true; break;
case 2: region.CorrespondingFields = false; break;
default: Console.WriteLine("No such sorting option exists!"); break;
}
Console.WriteLine($"Enter your search value for {paramName}:");
region.SortOrder = true;
SortAlgorithms.HeapSort(region, propertyField);
//calls a generic method for the users input
TypeSafeSearch(region, propertyField);
break;
case 3:
//the static method for finding minimum maximum for current field
MinMax.FindMinMax(ref region, propertyField);
break;
case 4: break;
default:
Console.WriteLine("Such operation doesn't exist!");
break;
}
} while (userInput != 4); //loops until the input is a correct case or intention to quit
}