private bool TryEnqueue(IList <T> items, out bool full)
{
full = false;
ConcurrentBatchQueue <T> .Entity entity = this.m_Entity;
T[] array = entity.Array;
int count1 = entity.Count;
int count2 = items.Count;
int num = count1 + count2;
if (num > array.Length)
{
full = true;
return(false);
}
if (entity != this.m_Entity || Interlocked.CompareExchange(ref entity.Count, num, count1) != count1)
{
return(false);
}
foreach (T obj in (IEnumerable <T>)items)
{
array[count1++] = obj;
}
return(true);
}
public ConcurrentBatchQueue(T[] array, Func <T, bool> nullValidator)
{
this.m_Entity = new ConcurrentBatchQueue <T> .Entity();
this.m_Entity.Array = array;
this.m_BackEntity = new ConcurrentBatchQueue <T> .Entity();
this.m_BackEntity.Array = new T[array.Length];
this.m_NullValidator = nullValidator;
}
private bool TryEnqueue(T item, out bool full)
{
full = false;
this.EnsureNotRebuild();
ConcurrentBatchQueue <T> .Entity entity = this.m_Entity;
T[] array = entity.Array;
int count = entity.Count;
if (count >= array.Length)
{
full = true;
return(false);
}
if (entity != this.m_Entity || Interlocked.CompareExchange(ref entity.Count, count + 1, count) != count)
{
return(false);
}
array[count] = item;
return(true);
}
public bool TryDequeue(IList <T> outputItems)
{
ConcurrentBatchQueue <T> .Entity entity = this.m_Entity;
if (entity.Count <= 0)
{
return(false);
}
Interlocked.Exchange <ConcurrentBatchQueue <T> .Entity>(ref this.m_Entity, this.m_BackEntity);
Thread.SpinWait(1);
int count = entity.Count;
T[] array = entity.Array;
int index = 0;
while (true)
{
for (T t = array[index]; this.m_NullValidator(t); t = array[index])
{
Thread.SpinWait(1);
}
outputItems.Add(array[index]);
array[index] = ConcurrentBatchQueue <T> .m_Null;
if (entity.Count > index + 1)
{
++index;
}
else
{
break;
}
}
this.m_BackEntity = entity;
this.m_BackEntity.Count = 0;
return(true);
}
