X-Git-Url: http://gitweb.fperrin.net/?a=blobdiff_plain;f=tim%2Fprune%2Fdata%2FIntegerRange.java;fp=tim%2Fprune%2Fdata%2FIntegerRange.java;h=61ae34c4ad58f7e9d61a4f320bc76181f43da3e7;hb=312fec956e43f5d0a38617da5d0add9c62563e2c;hp=0000000000000000000000000000000000000000;hpb=db1c1602b89209f4c92e8bd12ad38cd243fb27c7;p=GpsPrune.git

diff --git a/tim/prune/data/IntegerRange.java b/tim/prune/data/IntegerRange.java
new file mode 100644
index 0000000..61ae34c
--- /dev/null
+++ b/tim/prune/data/IntegerRange.java
@@ -0,0 +1,51 @@
+package tim.prune.data;
+
+/**
+ * Represents a range of integers, holding the maximum and
+ * minimum values.  Values assumed to be >= 0.
+ */
+public class IntegerRange
+{
+	private int _min = -1, _max = -1;
+
+
+	/**
+	 * Add a value to the range
+	 * @param inValue value to add, only positive values considered
+	 */
+	public void addValue(int inValue)
+	{
+		if (inValue >= 0)
+		{
+			if (inValue < _min || _min < 0) _min = inValue;
+			if (inValue > _max) _max = inValue;
+		}
+	}
+
+
+	/**
+	 * @return true if positive data values were found
+	 */
+	public boolean hasData()
+	{
+		return (_max >= 0);
+	}
+
+
+	/**
+	 * @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;
+	}
+}