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--- jvx:client:model:databook:record_iteration [2023/02/08 17:30]
admin
+++ jvx:client:model:databook:record_iteration [2023/02/08 17:57] (current)
admin
@@ Line 2: / Line 2: @@
 ~~Title: Record iteration~~
-It's possible to iterate all records of a databook by index, e.g.
+It's possible to iterate all records of a databook with different techniques. It's a performance decission what's best. Just reading is fastest.
-Simply iterate with optional record change
+You decide if you iterate for reading or for changing records. An iteration
+==Iterate with optional record change (Solution 1)==
 <file java>
 int masterRow = mdbMaster.getSelectedRow();
@@ Line 37: / Line 39: @@
 </file>
-Simply iterate with record change:
+==Iterate with optional record change (Solution 2)==
-<file java>
-int masterRow = mdbMaster.getSelectedRow();
-int detailRow = mdbDetail.getSelectedRow();
-try
-{
-    for (int i = 0; i < mdbMaster.getRowCount(); i++)
-    {
-        mdbMaster.setSelectedRow(i);
-        for (int j = 0; j < mdbDetail.getRowCount(j); j++)
-        {
-            mdbDetail.setSelectedRow(j);
-        }
-    }
-}
-finally
-{
-    mdbMaster.setSelectedRow(masterRow);
-    mdbDetail.setSelectedRow(detailRow);
-}
-</file>
-Another solution for iteration with optional record change:
 <file java>
@@ Line 94: / Line 71: @@
     }
 }
+</file>
+==Iterate with record change==
+<file java>
+int masterRow = mdbMaster.getSelectedRow();
+int detailRow = mdbDetail.getSelectedRow();
+try
+{
+    for (int i = 0; i < mdbMaster.getRowCount(); i++)
+    {
+        mdbMaster.setSelectedRow(i);
+        for (int j = 0; j < mdbDetail.getRowCount(j); j++)
+        {
+            mdbDetail.setSelectedRow(j);
+        }
+    }
+}
+finally
+{
+    mdbMaster.setSelectedRow(masterRow);
+    mdbDetail.setSelectedRow(detailRow);
+}
 </file>