/// <summary>Convert an EnumSet to a string of comma separated values.</summary>
internal static string ToString <E>(EnumSet <E> set)
where E : Enum <E>
{
if (set == null || set.IsEmpty())
{
return(string.Empty);
}
else
{
StringBuilder b = new StringBuilder();
IEnumerator <E> i = set.GetEnumerator();
b.Append(i.Next());
for (; i.HasNext();)
{
b.Append(',').Append(i.Next());
}
return(b.ToString());
}
}
/// <summary>
/// reset the EnumSetWritable with specified
/// <tt>value</value> and <tt>elementType</tt>.
/// </summary>
/// <remarks>
/// reset the EnumSetWritable with specified
/// <tt>value</value> and <tt>elementType</tt>. If the <tt>value</tt> argument
/// is null or its size is zero, the <tt>elementType</tt> argument must not be
/// null. If the argument <tt>value</tt>'s size is bigger than zero, the
/// argument <tt>elementType</tt> is not be used.
/// </remarks>
/// <param name="value"/>
/// <param name="elementType"/>
public virtual void Set(EnumSet <E> value, Type elementType)
{
if ((value == null || value.Count == 0) && (this._elementType == null && elementType
== null))
{
throw new ArgumentException("The EnumSet argument is null, or is an empty set but with no elementType provided."
);
}
this.value = value;
if (value != null && value.Count > 0)
{
IEnumerator <E> iterator = value.GetEnumerator();
this._elementType = iterator.Next().GetDeclaringClass();
}
else
{
if (elementType != null)
{
this._elementType = elementType;
}
}
}
/// <summary>
/// test
/// <c>EnumSetWritable.write(DataOutputBuffer out)</c>
///
/// and iteration by TestEnumSet through iterator().
/// </summary>
/// <exception cref="System.Exception"/>
public virtual void TestEnumSetWritableWriteRead()
{
EnumSetWritable <TestEnumSetWritable.TestEnumSet> srcSet = new EnumSetWritable <TestEnumSetWritable.TestEnumSet
>(EnumSet.Of(TestEnumSetWritable.TestEnumSet.Append, TestEnumSetWritable.TestEnumSet
.Create), typeof(TestEnumSetWritable.TestEnumSet));
DataOutputBuffer @out = new DataOutputBuffer();
srcSet.Write(@out);
EnumSetWritable <TestEnumSetWritable.TestEnumSet> dstSet = new EnumSetWritable <TestEnumSetWritable.TestEnumSet
>();
DataInputBuffer @in = new DataInputBuffer();
@in.Reset(@out.GetData(), @out.GetLength());
dstSet.ReadFields(@in);
EnumSet <TestEnumSetWritable.TestEnumSet> result = dstSet.Get();
IEnumerator <TestEnumSetWritable.TestEnumSet> dstIter = result.GetEnumerator();
IEnumerator <TestEnumSetWritable.TestEnumSet> srcIter = srcSet.GetEnumerator();
while (dstIter.HasNext() && srcIter.HasNext())
{
Assert.Equal("testEnumSetWritableWriteRead error !!!", dstIter
.Next(), srcIter.Next());
}
}