public void ApplyChangeOptimisticallyWithItem()
{
var n = new GenericParameterHelper(1);
Assert.True(ThreadingTools.ApplyChangeOptimistically(ref n, 2, (i, j) => new GenericParameterHelper(i.Data + j)));
Assert.Equal(3, n.Data);
}
public void ApplyChangeOptimistically()
{
var n = new GenericParameterHelper(1);
Assert.True(ThreadingTools.ApplyChangeOptimistically(ref n, i => new GenericParameterHelper(i.Data + 1)));
Assert.Equal(2, n.Data);
}
public void UnregisterContext(string contextId)
{
Requires.NotNullOrEmpty(contextId, nameof(contextId));
bool changed = ThreadingTools.ApplyChangeOptimistically(ref _contexts, projectContexts => projectContexts.Remove(contextId));
if (!changed)
{
throw new InvalidOperationException($"'{nameof(contextId)}' has not been registered or has already been unregistered");
}
}
private void RegisterIcons(IEnumerable <ImageMoniker> icons)
{
Assumes.NotNull(icons);
foreach (ImageMoniker icon in icons)
{
if (ThreadingTools.ApplyChangeOptimistically(ref _knownIcons, knownIcons => knownIcons.Add(icon)))
{
_imageService.TryAssociateNameWithMoniker(GetIconStringName(icon), icon);
}
}
}
public void UnregisterContext(IWorkspaceProjectContext context)
{
Requires.NotNull(context, nameof(context));
bool changed = ThreadingTools.ApplyChangeOptimistically(ref _contexts,
projectContexts => projectContexts.Remove(context));
if (!changed)
{
throw new InvalidOperationException("'context' has not been registered or has already been unregistered");
}
}
public void RegisterContext(IWorkspaceProjectContext context, string contextId)
{
Requires.NotNull(context, nameof(context));
Requires.NotNullOrEmpty(contextId, nameof(contextId));
bool changed = ThreadingTools.ApplyChangeOptimistically(ref _contexts,
projectContexts => projectContexts.SetItem(context, contextId));
if (!changed)
{
throw new InvalidOperationException("'context' has already been registered.");
}
}
public DependencyIconSet GetOrAddIconSet(DependencyIconSet iconSet)
{
if (ThreadingTools.ApplyChangeOptimistically(ref _iconSets, iconSets => iconSets.Add(iconSet)))
{
// The cache did not already contain an equivalent icon set; use the one passed in.
return(iconSet);
}
else
{
// The cache already has an equivalent icon set; retrieve and return that one.
_iconSets.TryGetValue(iconSet, out DependencyIconSet existingIconSet);
return(existingIconSet);
}
}
public void RegisterContext(string contextId)
{
Requires.NotNullOrEmpty(contextId, nameof(contextId));
bool changed = ThreadingTools.ApplyChangeOptimistically(ref _contexts, projectContexts =>
{
if (!projectContexts.Contains(contextId))
{
projectContexts = projectContexts.Add(contextId);
}
return(projectContexts);
});
if (!changed)
{
throw new InvalidOperationException($"'{nameof(contextId)}' has already been registered.");
}
}