extend CsvReaderSettings by list of columns that will not be indexed

pdb-ui/src/main/java/org/lucares/pdbui/CsvReaderSettings.java

@@ -1,23 +1,44 @@
 package org.lucares.pdbui;
 
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
 import org.lucares.utils.Preconditions;
 
 public class CsvReaderSettings {
     private final byte separator;
 
-    public CsvReaderSettings(final byte separator) {
-        this.separator = separator;
+    private final Set<String> ignoreColumnNames = new HashSet<String>();
+
+    public CsvReaderSettings(final byte separator, final String... ignoreColumnNames) {
+        this(separator, List.of(ignoreColumnNames));
     }
 
-    public CsvReaderSettings(final char separator) {
+    public CsvReaderSettings(final char separator, final String... ignoreColumnNames) {
+        this(separator, List.of(ignoreColumnNames));
+    }
+
+    public CsvReaderSettings(final char separator, final Collection<String> ignoreColumnNames) {
+        this((byte) separator, ignoreColumnNames);
         Preconditions.checkTrue(separator == (byte) separator,
                 "Only separators that fulfill separator == (byte)separator are supported. "
                         + "This restriction is because the parsing algorithm skips the overhead of "
                         + "translating bytes to characters.");
-        this.separator = (byte) separator;
+    }
+
+    public CsvReaderSettings(final byte separator, final Collection<String> ignoreColumns) {
+
+        this.separator = separator;
+        this.ignoreColumnNames.addAll(ignoreColumns);
     }
 
     public byte getSeparator() {
         return separator;
     }
+
+    public boolean isIgnoredColumn(final String columnName) {
+        return ignoreColumnNames.contains(columnName);
+    }
 }

pdb-ui/src/main/java/org/lucares/pdbui/CsvToEntryTransformer.java

@@ -116,7 +116,7 @@ class CsvToEntryTransformer {
     }
 
     private boolean ignoreColum(final String columnName) {
-        return columnName.startsWith(COLUM_IGNORE_PREFIX);
+        return settings.isIgnoredColumn(columnName) || columnName.startsWith(COLUM_IGNORE_PREFIX);
     }
 
     private static Entry handleCsvLine(final int[] columns, final byte[] line, final int bytesInLine,