Added new method to UTCScale which exposes the raw UTC-TAI offset data.

Closes #764

Added new method to UTCScale which exposes the raw UTC-TAI offset data.
Closes #764
1195843a · Andrew Goetz · 636d1820 · 1195843a · 1195843a · 1195843a
Unverified Commit 1195843a authored Mar 02, 2021 by Andrew Goetz
--- a/src/changes/changes.xml
+++ b/src/changes/changes.xml
@@ -21,6 +21,9 @@
  </properties>
  <body>
    <release version="11.0" date="TBD" description="TBD">
+      <action dev="andrewsgoetz" type="add" issue="764">
+        Added new method to UTCScale which exposes the raw UTC-TAI offset data.
+      </action>
      <action dev="bryan" type="fix" issue="670">
        Fixed call to ForceModel.init() in AbstractGaussianContribution class.
      </action>

--- a/src/main/java/org/orekit/time/UTCScale.java
+++ b/src/main/java/org/orekit/time/UTCScale.java
@@ -133,6 +133,21 @@ public class UTCScale implements TimeScale {

    }

+    /**
+     * Returns the UTC-TAI offsets underlying this UTC scale.
+     * <p>
+     * Modifications to the returned list will not affect this UTC scale instance.
+     * @return new non-null modifiable list of UTC-TAI offsets time-sorted from
+     *         earliest to latest
+     */
+    public List<UTCTAIOffset> getUTCTAIOffsets() {
+        final List<UTCTAIOffset> offsetList = new ArrayList<>(offsets.length);
+        for (int i = 0; i < offsets.length; ++i) {
+            offsetList.add(offsets[i]);
+        }
+        return offsetList;
+    }
+
    /** {@inheritDoc} */
    @Override
    public double offsetFromTAI(final AbsoluteDate date) {

--- a/src/test/java/org/orekit/time/UTCScaleTest.java
+++ b/src/test/java/org/orekit/time/UTCScaleTest.java
@@ -454,6 +454,16 @@ public class UTCScaleTest {
        Assert.assertEquals(new AbsoluteDate(1960, 12, 31, 23, 59, 60, utc), first);
    }

+    @Test
+    public void testGetUTCTAIOffsets() {
+        final List<UTCTAIOffset> offsets = utc.getUTCTAIOffsets();
+        Assert.assertEquals(40, offsets.size());
+        final UTCTAIOffset firstOffset = offsets.get(0);
+        final UTCTAIOffset lastOffset = offsets.get(offsets.size() - 1);
+        Assert.assertEquals(37300, firstOffset.getMJD()); // 1961-01-01
+        Assert.assertEquals(57204, lastOffset.getMJD()); // 2015-07-01
+    }
+
    @Before
    public void setUp() {
        Utils.setDataRoot("regular-data");