X-Git-Url: http://gitweb.fperrin.net/?p=GpsPrune.git;a=blobdiff_plain;f=src%2Ftim%2Fprune%2Fdata%2FIntegerRange.java;fp=src%2Ftim%2Fprune%2Fdata%2FIntegerRange.java;h=d2424d1bcf557c272de9d1b850b2b301573c6b22;hp=0000000000000000000000000000000000000000;hb=ce6f2161b8596f7018d6a76bff79bc9e571f35fd;hpb=2d8cb72e84d5cc1089ce77baf1e34ea3ea2f8465

diff --git a/src/tim/prune/data/IntegerRange.java b/src/tim/prune/data/IntegerRange.java
new file mode 100644
index 0000000..d2424d1
--- /dev/null
+++ b/src/tim/prune/data/IntegerRange.java
@@ -0,0 +1,62 @@
+package tim.prune.data;
+
+/**
+ * Represents a range of integers, holding the maximum and
+ * minimum values.
+ */
+public class IntegerRange
+{
+	private int _min = -1, _max = -1;
+	private boolean _foundValues = false;
+
+
+	/**
+	 * Clear for a new range calculation
+	 */
+	public void clear()
+	{
+		_min = -1;
+		_max = -1;
+		_foundValues = false;
+	}
+
+
+	/**
+	 * Add a value to the range
+	 * @param inValue value to add
+	 */
+	public void addValue(int inValue)
+	{
+		if (inValue < _min || !_foundValues) {
+			_min = inValue;
+		}
+		if (inValue > _max || !_foundValues) {
+			_max = inValue;
+		}
+		_foundValues = true;
+	}
+
+	/**
+	 * @return true if any values added to the range
+	 */
+	public boolean hasValues() {
+		return _foundValues;
+	}
+
+	/**
+	 * @return minimum value, or -1 if none found
+	 */
+	public int getMinimum()
+	{
+		return _min;
+	}
+
+
+	/**
+	 * @return maximum value, or -1 if none found
+	 */
+	public int getMaximum()
+	{
+		return _max;
+	}
+}