private int InternalGetHashCode()
{
unchecked
{
// Choose large primes to avoid hashing collisions
const int HashingBase = (int)2166136261;
const int HashingMultiplier = 16777619;
int hash = HashingBase;
hash = (hash * HashingMultiplier) ^ (!Object.ReferenceEquals(null, OffsetValue) ? OffsetValue.GetHashCode() : 0);
hash = (hash * HashingMultiplier) ^ (!Object.ReferenceEquals(null, OffsetFactor) ? OffsetFactor.GetHashCode() : 0);
hash = (hash * HashingMultiplier) ^ (!Object.ReferenceEquals(null, Target) ? Target.GetHashCode() : 0);
return(hash);
}
}
public static OffsetValue ShowImportOffsetsValuesDialog(Form owner, OffsetValue offsetValue)
{
using ImportOffsetsValuesDialog importOffsetsValuesDialog = new() { OffsetValue = offsetValue };
return(importOffsetsValuesDialog.ShowDialog(owner) == DialogResult.OK ? importOffsetsValuesDialog.OffsetValue : null);
}
/// <summary>
/// Compiles the fragment.
/// </summary>
/// <param name="queryBuilder">The query builder.</param>
/// <param name="engine">The engine.</param>
public virtual void Compile(QueryBuilder queryBuilder, IEngine engine)
{
switch (engine.Options.OffsetStyle)
{
case OffsetStyle.Offset:
queryBuilder.Write("OFFSET ");
object offsetValue = OffsetValue ?? 0;
if (engine.Options.OffsetAsParameters || offsetValue is IQueryFragment)
{
queryBuilder.WriteValue(offsetValue);
}
else
{
queryBuilder.Write(offsetValue.ToString());
}
queryBuilder.Write(" ROWS");
if (FetchValue != null)
{
queryBuilder.Write(" FETCH NEXT ");
if (engine.Options.OffsetAsParameters || FetchValue is IQueryFragment)
{
queryBuilder.WriteValue(FetchValue);
}
else
{
queryBuilder.Write(FetchValue.ToString());
}
queryBuilder.Write(" ROWS ONLY");
}
break;
case OffsetStyle.Limit:
queryBuilder.Write("LIMIT ");
object fetchValue = FetchValue ?? long.MaxValue;
if (engine.Options.OffsetAsParameters || fetchValue is IQueryFragment)
{
queryBuilder.WriteValue(fetchValue);
}
else
{
queryBuilder.Write(fetchValue.ToString());
}
if (OffsetValue != null)
{
queryBuilder.Write(" OFFSET ");
if (engine.Options.OffsetAsParameters || OffsetValue is IQueryFragment)
{
queryBuilder.WriteValue(OffsetValue);
}
else
{
queryBuilder.Write(OffsetValue.ToString());
}
}
break;
default:
throw new ClauseNotSupportedException("Offset clause is not supported in this engine.");
}
}
public void Configure(Values values)
{
ModifierType = ModifierUtility.ParseModifierType(values.Get("AffectedStat", string.Empty));
ModifierValue = new OffsetValue(values.Get("Amount", -1f), ModifierUtility.ParseOffsetValueType(values.Get("ActType", string.Empty)));
Name = values.Get("Name", string.Empty);
}
private void ButtonOK_Click(object sender, EventArgs e)
{
OffsetValue = new() { Offset = TextBoxOffset.Text, Value = TextBoxValue.Text };
}
}
