/// <summary>
/// Executes a given callback passing each element of the specified row. The callback
/// receives the element together with its coordinates. <BR>
/// Callbacks are executed synchronously before the method returns: calling
/// insert or delete methods during callback execution may result in
/// a wrong iteration, return false from the callback to remove the current element.
/// </summary>
public virtual void forEachElementInRow(R row, ElementCallback <R, C, string> callback)
{
ConcurrentDictionary <C, string> rowElements;
matrix.TryGetValue(row, out rowElements);
if (rowElements == null)
{
return;
}
IEnumerator <KeyValuePair <C, string> > iterator = rowElements.SetOfKeyValuePairs().GetEnumerator();
while (iterator.MoveNext())
{
KeyValuePair <C, string> entry = iterator.Current;
string value = entry.Value;
if (string.ReferenceEquals(value, NULL))
{
value = null;
}
bool remove = callback.onElement(value, row, entry.Key);
if (remove)
{
rowElements.SetOfKeyValuePairs().Remove(entry);
}
}
if (rowElements.IsEmpty)
{
this.matrix.TryRemove(row, out t);
}
}
/// <summary>
/// Executes a given callback passing each element of the specified row. The callback
/// receives the element together with its coordinates. <BR>
/// Callbacks are executed synchronously before the method returns: calling
/// insert or delete methods during callback execution may result in
/// a wrong iteration, return false from the callback to remove the current element.
/// </summary>
public virtual void forEachElementInRow(R row, ElementCallback <R, C, V> callback)
{
ConcurrentDictionary <C, V> rowElements;
matrix.TryGetValue(row, out rowElements);
if (rowElements == null)
{
return;
}
IEnumerator <KeyValuePair <C, V> > iterator = rowElements.SetOfKeyValuePairs().GetEnumerator();
while (iterator.MoveNext())
{
KeyValuePair <C, V> entry = iterator.Current;
bool remove = callback.onElement(entry.Value, row, entry.Key);
if (remove)
{
rowElements.SetOfKeyValuePairs().Remove(entry);
}
}
if (rowElements.Count == 0)
{
ConcurrentDictionary <C, V> rowMap;
this.matrix.TryRemove(row, out rowMap);
}
}
/// <summary>
/// Executes a given callback passing each element of the Matrix. The callback
/// receives the element together with its coordinates. <BR>
/// Callbacks are executed synchronously before the method returns: calling
/// insert or delete methods during callback execution may result in
/// a wrong iteration, return false from the callback to remove the current element.
/// </summary>
public virtual void forEachElement(ElementCallback <R, C, V> callback)
{
foreach (R row in this.matrix.Keys)
{
this.forEachElementInRow(row, callback);
}
}
/// <summary>
/// Executes a given callback passing each element of the Matrix. The callback
/// receives the element together with its coordinates. <BR>
/// Callbacks are executed synchronously before the method returns: calling
/// insert or delete methods during callback execution may result in
/// a wrong iteration, return false from the callback to remove the current element.
/// </summary>
public virtual void forEachElement(ElementCallback <R, C, string> callback)
{
//Iterator<String> iterator = list.iterator(); iterator.hasNext();
foreach (R row in this.matrix.Keys)
{
this.forEachElementInRow(row, callback);
}
}
