public CacheNeedle(Func <T> valueFactory, T target, bool trackResurrection, bool cacheExceptions)
: base(target, trackResurrection)
{
if (valueFactory == null)
{
throw new ArgumentNullException("valueFactory");
}
_valueFactory = valueFactory;
if (cacheExceptions)
{
_valueFactory = () =>
{
try
{
return(valueFactory.Invoke());
}
catch (Exception exc)
{
_valueFactory = FuncHelper.GetThrowFunc <T>(exc);
throw;
}
};
}
_waitHandle = new StructNeedle <ManualResetEventSlim>(new ManualResetEventSlim(false));
}
public Promise(Exception exception)
{
Exception = exception;
_hashCode = exception.GetHashCode();
_waitHandle = new ManualResetEventSlim(true);
_onCompleted = new StrongDelegateCollection(true);
}
public Promise(bool done)
{
Exception = null;
_hashCode = base.GetHashCode();
if (!done)
{
_waitHandle = new ManualResetEventSlim(false);
}
}
public bool Equals(StructNeedle <T> other)
{
var value = other.Value;
if (other.IsAlive)
{
return(Equals(value));
}
return(!IsAlive);
}
public CacheNeedle(Func <T> valueFactory, T target, bool trackResurrection)
: base(target, trackResurrection)
{
if (valueFactory == null)
{
throw new ArgumentNullException("valueFactory");
}
_valueFactory = valueFactory;
_waitHandle = new StructNeedle <ManualResetEventSlim>(new ManualResetEventSlim(false));
}
public CacheNeedle(Func <T> valueFactory)
: base(default(T))
{
if (valueFactory == null)
{
throw new ArgumentNullException("valueFactory");
}
_valueFactory = valueFactory;
_waitHandle = new StructNeedle <ManualResetEventSlim>(new ManualResetEventSlim(false));
}
public bool Equals(StructNeedle <T> other)
{
var leftValue = Value;
if (IsAlive)
{
var rightValue = other.Value;
return(other.IsAlive && EqualityComparer <T> .Default.Equals(leftValue, rightValue));
}
return(!other.IsAlive);
}
private static bool EqualsExtracted(StructNeedle <T> left, StructNeedle <T> right)
{
var leftValue = left.Value;
if (left.IsAlive)
{
var rightValue = right.Value;
return(right.IsAlive && EqualityComparer <T> .Default.Equals(leftValue, rightValue));
}
return(!right.IsAlive);
}
public Promise(bool done)
{
Exception = null;
_hashCode = base.GetHashCode();
if (!done)
{
_waitHandle = new ManualResetEventSlim(false);
}
_onCompleted = new StrongDelegateCollection(true);
}
public CacheNeedle()
: base(default(T))
{
_valueFactory = null;
_waitHandle = new StructNeedle <ManualResetEventSlim>(null);
}
public CacheNeedle(T target)
: base(target)
{
_valueFactory = null;
_waitHandle = new StructNeedle <ManualResetEventSlim>(null);
}
public CacheNeedle(Func <T> valueFactory, T target)
: base(target)
{
_valueFactory = valueFactory ?? throw new ArgumentNullException(nameof(valueFactory));
_waitHandle = new StructNeedle <ManualResetEventSlim>(new ManualResetEventSlim(false));
}
public bool Equals(StructNeedle <T> other)
{
return(EqualsExtracted(this, other));
}
public Promise(Exception exception)
{
Exception = exception;
_hashCode = exception.GetHashCode();
_waitHandle = new ManualResetEventSlim(true);
}