public bool TryGetValue(AssemblyIdentity identity, out TValue value, bool allowHigherVersion = true)
{
OneOrMany <KeyValuePair <AssemblyIdentity, TValue> > sameName;
if (_map.TryGetValue(identity.Name, out sameName))
{
int minHigherVersionCandidate = -1;
for (int i = 0; i < sameName.Count; i++)
{
AssemblyIdentity currentIdentity = sameName[i].Key;
if (AssemblyIdentity.EqualIgnoringNameAndVersion(currentIdentity, identity))
{
if (currentIdentity.Version == identity.Version)
{
value = sameName[i].Value;
return(true);
}
// only higher version candidates are considered for match:
if (!allowHigherVersion || currentIdentity.Version < identity.Version)
{
continue;
}
if (minHigherVersionCandidate == -1 || currentIdentity.Version < sameName[minHigherVersionCandidate].Key.Version)
{
minHigherVersionCandidate = i;
}
}
}
if (minHigherVersionCandidate >= 0)
{
value = sameName[minHigherVersionCandidate].Value;
return(true);
}
}
value = default(TValue);
return(false);
}
public bool TryGetValue(AssemblyIdentity identity, out TValue value, Func <Version, Version, TValue, bool> comparer)
{
OneOrMany <KeyValuePair <AssemblyIdentity, TValue> > sameName;
if (_map.TryGetValue(identity.Name, out sameName))
{
for (int i = 0; i < sameName.Count; i++)
{
AssemblyIdentity currentIdentity = sameName[i].Key;
if (comparer(identity.Version, currentIdentity.Version, sameName[i].Value) &&
AssemblyIdentity.EqualIgnoringNameAndVersion(currentIdentity, identity))
{
value = sameName[i].Value;
return(true);
}
}
}
value = default(TValue);
return(false);
}