public long ReserveNew()
{
this.VerifyIdentifiersLeft();
IdentifierManager.Segment segment = this.segments[0];
long start = segment.start;
++segment.start;
if (segment.start > segment.end)
{
this.segments.RemoveAt(0);
}
return(start);
}
public long Reserve(long id)
{
if (id < this.lowerbound || id > this.upperbound)
{
throw new ArgumentException("Value for parameter 'id' was out of bounds");
}
this.VerifyIdentifiersLeft();
if (id == this.upperbound)
{
int index = this.segments.Count - 1;
IdentifierManager.Segment segment = this.segments[index];
if (segment.end != this.upperbound)
{
return(this.ReserveNew());
}
segment.end = this.upperbound - 1L;
if (segment.start > segment.end)
{
this.segments.RemoveAt(index);
}
return(id);
}
if (id == this.lowerbound)
{
IdentifierManager.Segment segment = this.segments[0];
if (segment.start != this.lowerbound)
{
return(this.ReserveNew());
}
segment.start = this.lowerbound + 1L;
if (segment.end < segment.start)
{
this.segments.RemoveAt(0);
}
return(id);
}
for (int index = 0; index < this.segments.Count; ++index)
{
IdentifierManager.Segment segment = this.segments[index];
if (segment.end >= id)
{
if (segment.start <= id)
{
if (segment.start == id)
{
segment.start = id + 1L;
if (segment.end < segment.start)
{
this.segments.Remove(segment);
}
return(id);
}
if (segment.end == id)
{
segment.end = id - 1L;
if (segment.start > segment.end)
{
this.segments.Remove(segment);
}
return(id);
}
this.segments.Add(new IdentifierManager.Segment(id + 1L, segment.end));
segment.end = id - 1L;
return(id);
}
break;
}
}
return(this.ReserveNew());
}
public bool Release(long id)
{
if (id < this.lowerbound || id > this.upperbound)
{
throw new ArgumentException("Value for parameter 'id' was out of bounds");
}
if (id == this.upperbound)
{
IdentifierManager.Segment segment = this.segments[this.segments.Count - 1];
if (segment.end == this.upperbound - 1L)
{
segment.end = this.upperbound;
return(true);
}
if (segment.end == this.upperbound)
{
return(false);
}
this.segments.Add(new IdentifierManager.Segment(this.upperbound, this.upperbound));
return(true);
}
if (id == this.lowerbound)
{
IdentifierManager.Segment segment = this.segments[0];
if (segment.start == this.lowerbound + 1L)
{
segment.start = this.lowerbound;
return(true);
}
if (segment.start == this.lowerbound)
{
return(false);
}
this.segments.Insert(0, new IdentifierManager.Segment(this.lowerbound, this.lowerbound));
return(true);
}
long num1 = id + 1L;
long num2 = id - 1L;
for (int index = 0; index < this.segments.Count; ++index)
{
IdentifierManager.Segment segment1 = this.segments[0];
if (segment1.end >= num2)
{
if (segment1.start > num1)
{
this.segments.Insert(index, new IdentifierManager.Segment(id, id));
return(true);
}
if (segment1.start == num1)
{
segment1.start = id;
return(true);
}
if (segment1.end == num2)
{
segment1.end = id;
if (index + 1 < this.segments.Count)
{
IdentifierManager.Segment segment2 = this.segments[index + 1];
if (segment2.start == segment1.end + 1L)
{
segment1.end = segment2.end;
this.segments.Remove(segment2);
}
}
return(true);
}
break;
}
}
return(false);
}
