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JeffersonLab · May 14, 2023 · 1562902 · 1562902
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commit 1562902
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diff --git a/common-tools/clas-detector/src/main/java/org/jlab/detector/swaps/SwapManager.java b/common-tools/clas-detector/src/main/java/org/jlab/detector/swaps/SwapManager.java
@@ -162,6 +162,9 @@ public int[] get(int run, DataBank bank, int row) {
         final int sector = bank.getByte("sector", row);
         final int layer = bank.getByte("layer", row);
         final int comp = bank.getShort("component", row);
+        // Get the order that would be in the translation tables:
+        // FIXME:  could use RawDataBank instead of modulus, but this service
+        // should never filter rows and always needs all of them.
         final int order = bank.getByte("order", row) % 10;
         return this.get(run,banksToTables.get(bank.getDescriptor().getName()),sector,layer,comp,order);
     }

diff --git a/reconstruction/swaps/src/main/java/org/jlab/service/swaps/SwapEngine.java b/reconstruction/swaps/src/main/java/org/jlab/service/swaps/SwapEngine.java
@@ -29,6 +29,7 @@ private void updateBank(int run,DataBank bank) {
             bank.setByte("sector",irow,(byte)slco[0]);
             bank.setByte("layer",irow,(byte)slco[1]);
             bank.setShort("component",irow,(short)slco[2]);
+            // Restore the original order decade to the new unswapped, true order:
             final byte decade = (byte) (bank.getByte("order", irow)/10);
             final byte order = (byte) (10*decade + (byte)slco[3]);
             bank.setByte("order",irow, order);