//JAVA TO C# CONVERTER WARNING: Java wildcard generics have no direct equivalent in .NET:
//ORIGINAL LINE: public static java.util.Set<?> toSet(Object value)
public static ISet <object> ToSet(object value)
{
if (value == null || value == NO_VALUE)
{
return(Collections.emptySet());
}
else if (value is SequenceValue)
{
SequenceValue sequenceValue = ( SequenceValue )value;
IEnumerator <AnyValue> iterator = sequenceValue.GetEnumerator();
ISet <AnyValue> set;
if (sequenceValue.IterationPreference() == RANDOM_ACCESS)
{
// If we have a random access sequence value length() should be cheap and we can optimize the initial capacity
int length = sequenceValue.Length();
set = new HashSet <AnyValue>(length);
for (int i = 0; i < length; i++)
{
set.Add(sequenceValue.Value(i));
}
}
else
{
set = new HashSet <AnyValue>();
while (iterator.MoveNext())
{
AnyValue element = iterator.Current;
set.Add(element);
}
}
return(set);
}
//JAVA TO C# CONVERTER WARNING: Java wildcard generics have no direct equivalent in .NET:
//ORIGINAL LINE: else if (value instanceof java.util.Collection<?>)
else if (value is ICollection <object> )
{
//JAVA TO C# CONVERTER WARNING: Java wildcard generics have no direct equivalent in .NET:
//ORIGINAL LINE: return new java.util.HashSet<>((java.util.Collection<?>) value);
return(new HashSet <object>((ICollection <object>)value));
}
else if (value is LongStream)
{
LongStream stream = ( LongStream )value;
return(stream.boxed().collect(Collectors.toSet()));
}
else if (value is IntStream)
{
IntStream stream = ( IntStream )value;
return(stream.boxed().collect(Collectors.toSet()));
}
else if (value is DoubleStream)
{
DoubleStream stream = ( DoubleStream )value;
return(stream.boxed().collect(Collectors.toSet()));
}
else if (value.GetType().IsArray)
{
int len = Array.getLength(value);
HashSet <object> collection = new HashSet <object>(len);
for (int i = 0; i < len; i++)
{
collection.Add(Array.get(value, i));
}
return(collection);
}
throw new CypherTypeException("Don't know how to create a set out of " + value.GetType().Name, null);
}