refactor: rename PartialCursor to simply Cursor

Author: metacosm

measure/src/main/java/net/laprun/sustainability/power/measure/PartialCursor.java renamed to measure/src/main/java/net/laprun/sustainability/power/measure/Cursor.java

@@ -1,8 +1,8 @@
 package net.laprun.sustainability.power.measure;
 
-public record PartialCursor(int startIndex, int endIndex, double firstMeasureRatio, double lastMeasureRatio) {
+public record Cursor(int startIndex, int endIndex, double firstMeasureRatio, double lastMeasureRatio) {
 
-    public static final PartialCursor empty = new PartialCursor(-1, -1, 0.0, 0.0);
+    public static final Cursor empty = new Cursor(-1, -1, 0.0, 0.0);
 
     public double sum(double[] values) {
         if (values == null || values.length == 0 || this == empty || values.length <= endIndex) {

measure/src/main/java/net/laprun/sustainability/power/measure/Cursors.java

@@ -5,15 +5,15 @@
 public enum Cursors {
     ;
 
-    public static PartialCursor cursorOver(long[] timestamps, long timestamp, Duration duration, long initialOffset,
+    public static Cursor cursorOver(long[] timestamps, long timestamp, Duration duration, long initialOffset,
             long averagePeriodHint) {
         // adjusted timestamp for modding
         final var timestampForDiv = timestamp - initialOffset;
         final var durationAsMs = duration.toMillis();
 
         // cannot find an interval for a timestamp that is before the recording started
         if (timestampForDiv < 0) {
-            return PartialCursor.empty;
+            return Cursor.empty;
         }
 
         if (timestamps.length < 2) {
@@ -22,7 +22,7 @@ public static PartialCursor cursorOver(long[] timestamps, long timestamp, Durati
             if (averagePeriodHint > 0) {
                 ratio = (double) durationAsMs / averagePeriodHint;
             }
-            return new PartialCursor(0, 0, ratio, ratio);
+            return new Cursor(0, 0, ratio, ratio);
         }
 
         // estimate sample period based on 2 samples interval
@@ -38,7 +38,7 @@ public static PartialCursor cursorOver(long[] timestamps, long timestamp, Durati
             final long previousTimestamp = startIndex == 0 ? initialOffset : timestamps[startIndex - 1];
             final long slotDuration = timestamps[startIndex] - previousTimestamp;
             var ratio = (double) durationAsMs / slotDuration;
-            return new PartialCursor(startIndex, endIndex, ratio, -1);
+            return new Cursor(startIndex, endIndex, ratio, -1);
         }
 
         // get the index with the timestamp right after the one we're looking for since what we're interested in is the portion of the measure that gets recorded after the timestamp we want
@@ -58,6 +58,6 @@ public static PartialCursor cursorOver(long[] timestamps, long timestamp, Durati
             endRatio = (double) endOffset / slotDuration;
         }
 
-        return new PartialCursor(startIndex, endIndex, startRatio, endRatio);
+        return new Cursor(startIndex, endIndex, startRatio, endRatio);
     }
 }

measure/src/main/java/net/laprun/sustainability/power/measure/MeasureBackedCursor.java

@@ -2,7 +2,7 @@
 
 import net.laprun.sustainability.power.analysis.Recorder;
 
-public record MeasureBackedCursor(Recorder measure, PartialCursor cursor) {
+public record MeasureBackedCursor(Recorder measure, Cursor cursor) {
     public double sum() {
         return cursor.sum(measure.liveMeasures());
     }

measure/src/main/java/net/laprun/sustainability/power/measure/Timing.java

@@ -3,7 +3,7 @@
 import java.time.Duration;
 
 public record Timing(long[] timestamps, long startedAt, long samplePeriod) {
-    public PartialCursor cursorOver(long timestamp, Duration duration) {
+    public Cursor cursorOver(long timestamp, Duration duration) {
         return Cursors.cursorOver(timestamps, timestamp, duration, startedAt, samplePeriod);
     }
 }