altoslib: Add initial time series functions

Provides the basis for offering a sequence of time/value datasets for
graphing instead of using AltosState.

Signed-off-by: Keith Packard <keithp@keithp.com>

1 files changed, 37 insertions, 0 deletions

diff --git a/altoslib/AltosTimeSeries.java b/altoslib/AltosTimeSeries.java
new file mode 100644
index 00000000..53c0076f
--- /dev/null
+++ b/altoslib/AltosTimeSeries.java
@@ -0,0 +1,37 @@
+/*
+ * Copyright © 2017 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ */
+
+package org.altusmetrum.altoslib_11;
+
+import java.util.*;
+
+public class AltosTimeSeries implements Iterable<AltosTimeValue> {
+	public String		label;
+	public AltosUnits	units;
+	List<AltosTimeValue>	values;
+
+	public void add(double x, double y) {
+		values.add(new AltosTimeValue(x, y));
+	}
+
+	public Iterator<AltosTimeValue> iterator() {
+		return values.iterator();
+	}
+
+	public AltosTimeSeries(String label, AltosUnits units) {
+		this.label = label;
+		this.units = units;
+		this.values = new ArrayList<AltosTimeValue>();
+	}
+}