/// <summary>
/// Commits the changes to the database when one or more field values have changed.
/// </summary>
/// <param name="source">The source.</param>
/// <param name="predicate">The predicate that indicates if the field should be checked for changes.</param>
/// <returns>
/// Returns a <see cref="bool" /> representing <c>true</c> when the store was called on the row; otherwise <c>false</c>
/// </returns>
/// <exception cref="System.ArgumentNullException">predicate</exception>
/// <remarks>
/// The changes will not be saved, if there was a call to BlockReentrancy of which the IDisposable return value has not
/// yet been disposed of.
/// </remarks>
public static bool SaveChanges(this IRow source, Predicate <IField> predicate)
{
if (source == null)
{
return(false);
}
if (predicate == null)
{
throw new ArgumentNullException("predicate");
}
source.CheckReentrancy();
bool saveChanges = false;
IRowChanges rowChanges = (IRowChanges)source;
for (int i = 0; i < source.Fields.FieldCount; i++)
{
if (predicate(source.Fields.Field[i]) && rowChanges.ValueChanged[i])
{
saveChanges = true;
break;
}
}
if (saveChanges)
{
source.Store();
}
return(saveChanges);
}
