Added Date fields and getters for record and also added rangehelper

functions for longitude and latitude

src/biotree/Record.java

@@ -12,6 +12,7 @@ public class Record implements Comparable<Record> {
 	private final int year;
 	private final int month;
 	private final int day;
+	private final Date recDate;
 	
 
 	/**
@@ -29,6 +30,7 @@ public class Record implements Comparable<Record> {
 		this.year = year;
 		this.month = month;
 		this.day = day;
+		this.recDate = new Date(year,month,day);
 		
 	}
 	
@@ -109,6 +111,15 @@ public class Record implements Comparable<Record> {
 		return day;
 	}
 
+	/**
+	 * Gets date of the record
+	 * 
+	 * @return The date of the record
+	 */
+	public Date getDate() {
+		return recDate;
+	}
+	
 	@Override
 	public int compareTo(Record o) {
 		// TODO Auto-generated method stub

src/sort/RangeHelper.java

@@ -34,4 +34,68 @@ public class RangeHelper {
 		}
 		else return null;
 	}
+	
+	public static GeneralRange<Record> longitude(Bound boundtype) {
+		if (boundtype == Bound.ANY) {
+			GeneralRange<Record> range = p -> 0;
+			return range;
+		}
+		else return null;
+	}
+	
+	public static GeneralRange<Record> longitude(Bound boundtype, int bound) {
+		if (boundtype == Bound.LOWER) {
+			GeneralRange<Record> range = p -> p.getLongitude() < bound ? 0 : 1;
+			return range;
+		}
+		else if (boundtype == Bound.UPPER) {
+			GeneralRange<Record> range = p -> p.getLongitude() > bound ? 0 : 1;
+			return range;
+		}
+		else if (boundtype == Bound.EQUALS) {
+			GeneralRange<Record> range = p -> p.getLongitude() == bound ? 0 : 1;
+			return range;
+		}
+		else return null;
+	}
+
+	public static GeneralRange<Record> longitude(Bound boundtype, int leftbound, int rightbound) {
+		if (boundtype == Bound.LOWHIGH) {
+			GeneralRange<Record> range = p -> p.getLongitude() < leftbound ? -1 : (p.getLongitude() > rightbound ? 1 : 0);
+			return range;
+		}
+		else return null;
+	}
+	
+	public static GeneralRange<Record> latitude(Bound boundtype) {
+		if (boundtype == Bound.ANY) {
+			GeneralRange<Record> range = p -> 0;
+			return range;
+		}
+		else return null;
+	}
+	
+	public static GeneralRange<Record> latitude(Bound boundtype, int bound) {
+		if (boundtype == Bound.LOWER) {
+			GeneralRange<Record> range = p -> p.getLatitude() < bound ? 0 : 1;
+			return range;
+		}
+		else if (boundtype == Bound.UPPER) {
+			GeneralRange<Record> range = p -> p.getLatitude() > bound ? 0 : 1;
+			return range;
+		}
+		else if (boundtype == Bound.EQUALS) {
+			GeneralRange<Record> range = p -> p.getLatitude() == bound ? 0 : 1;
+			return range;
+		}
+		else return null;
+	}
+
+	public static GeneralRange<Record> latitude(Bound boundtype, int leftbound, int rightbound) {
+		if (boundtype == Bound.LOWHIGH) {
+			GeneralRange<Record> range = p -> p.getLatitude() < leftbound ? -1 : (p.getLatitude() > rightbound ? 1 : 0);
+			return range;
+		}
+		else return null;
+	}
 }