protected DbExpressionSet UpdateBlock(DbExpressionSet block, IList <Expression> commands)
{
if (block.Expressions != commands)
{
return(new DbExpressionSet(commands));
}
return(block);
}
protected virtual bool CompareBlock(DbExpressionSet x, DbExpressionSet y)
{
if (x.Expressions.Count != y.Expressions.Count)
{
return(false);
}
for (int i = 0, n = x.Expressions.Count; i < n; i++)
{
if (!Compare(x.Expressions[i], y.Expressions[i]))
{
return(false);
}
}
return(true);
}
protected DbExpressionSet UpdateBlock(DbExpressionSet block, IList<Expression> commands)
{
if (block.Expressions != commands)
return new DbExpressionSet(commands);
return block;
}
protected virtual Expression VisitBlock(DbExpressionSet block)
{
var commands = VisitExpressionList(block.Expressions);
return UpdateBlock(block, commands);
}
protected override Expression VisitBlock(DbExpressionSet block)
{
return(MakeSequence(this.VisitExpressionList(block.Expressions)));
}
protected override Expression VisitBlock(DbExpressionSet block)
{
throw new NotSupportedException();
}
protected virtual bool CompareBlock(DbExpressionSet x, DbExpressionSet y)
{
if (x.Expressions.Count != y.Expressions.Count)
return false;
for (int i = 0, n = x.Expressions.Count; i < n; i++)
{
if (!Compare(x.Expressions[i], y.Expressions[i]))
return false;
}
return true;
}
protected virtual Expression VisitBlock(DbExpressionSet block)
{
var commands = VisitExpressionList(block.Expressions);
return(UpdateBlock(block, commands));
}