/**
* Constructor
*
* @param table The name of the database table containing this row.
* @param columns A list of column names. Each member of the List is a String. After construction,
* the list of columns is fixed; attempting to access a column not in the list will cause an
* IllegalArgumentException to be thrown.
*/
public TableRow(String table, List<String> columns) {
this.table = table;
for (String column : columns) {
String canonicalized = ColumnInfo.canonicalize(column);
data.put(canonicalized, NULL_OBJECT);
changed.put(canonicalized, Boolean.TRUE);
}
}
private String canonicalizeAndCheck(String column) {
if (data.containsKey(column)) {
return column;
}
String canonicalized = ColumnInfo.canonicalize(column);
if (data.containsKey(canonicalized)) {
return canonicalized;
}
throw new IllegalArgumentException("No such column '" + canonicalized + "'");
}
/**
* Return true if this row contains this column and the value has been updated.
*
* @param column The column name (case-insensitive)
* @return True if this row contains a column with this name.
*/
public boolean hasColumnChanged(String column) {
return hasColumnChangedCanonicalized(ColumnInfo.canonicalize(column));
}