/// <summary>
/// Creates a new <see cref="SolutionDependencyContext"/>, possibly for a different subset of projects
/// of the <see cref="Solutions"/> than the default set (all projects except build projects).
/// </summary>
/// <param name="m">The monitor to use.</param>
/// <param name="traceGraphDetails">True to trace the details of the input and output (sorted) graphs.</param>
/// <param name="projectFilter">
/// Optional project filter.
/// By default all projects are considered except build projects (see <see cref="Solution.BuildProject"/>).
/// </param>
/// <returns>The context or null on error.</returns>
public SolutionDependencyContext CreateDependencyContext(IActivityMonitor m, bool traceGraphDetails, Func <IProject, bool> projectFilter = null)
{
if (projectFilter == null)
{
projectFilter = p => !p.IsBuildProject;
}
var sortables = new Dictionary <ISolution, SolutionItem>();
foreach (var s in _solutions)
{
var sItem = new SolutionItem(s, s.Projects.Where(p => projectFilter(p)).Select(p => _projects[p]));
sortables.Add(s, sItem);
}
var options = new DependencySorterOptions();
if (traceGraphDetails)
{
options.HookInput = i => i.Trace(m);
options.HookOutput = i => i.Trace(m);
}
IDependencySorterResult result = DependencySorter.OrderItems(m, sortables.Values, null, options);
if (!result.IsComplete)
{
result.LogError(m);
return(new SolutionDependencyContext(this, result, GetBuildProjectInfo(m)));
}
// Building the list of SolutionDependencyContext.DependencyRow.
var table = result.SortedItems
// 1 - Selects solutions along with their ordered index.
.Where(sorted => sorted.GroupForHead == null && sorted.Item is SolutionItem)
.Select(sorted =>
(
Solution: (Solution)sorted.StartValue,
// The projects from this solution that reference packages that are
// produced by local solutions have a direct requires to a Package
// that has a local Project.
// 2 - First Map: LocalRefs is a set of value tuple (Project Origin, Package Target).
LocalRefs: sorted.Children
.Select(c => (SProject: c, Project: (Project)c.StartValue))
.SelectMany(c => c.SProject.DirectRequires
.Select(r => r.Item)
.OfType <LocalPackageItem>()
.Select(package => (Origin: c.Project, Target: package))
)))
// 3 - Second Map: Expands the LocalRefs.
.SelectMany(s => s.LocalRefs.Any()
? s.LocalRefs.Select(r => new DependentSolution.Row
(
s.Solution,
r.Origin,
r.Target.Project
))
: new[] { new DependentSolution.Row(s.Solution, null, null) }
)
.ToList();
// Now that the table of SolutionDependencyContext.DependencyRow is built, use it to compute the
// pure solution dependency graph.
//
var index = new Dictionary <object, DependentSolution>();
ISolution current = null;
var depSolutions = new DependentSolution[sortables.Count];
int idx = 0;
foreach (var r in table)
{
if (current != r.Solution)
{
current = r.Solution;
var newDependent = new DependentSolution(current, table, s => index[s]);
depSolutions[idx++] = newDependent;
index.Add(current.Name, newDependent);
index.Add(current, newDependent);
}
}
Array.Sort(depSolutions, (d1, d2) =>
{
int cmp = d1.Rank - d2.Rank;
if (cmp == 0)
{
cmp = d1.Solution.Name.CompareTo(d2.Solution.Name);
}
return(cmp);
});
for (int i = 0; i < depSolutions.Length; ++i)
{
depSolutions[i].Index = i;
}
return(new SolutionDependencyContext(this, index, result, table, depSolutions, GetBuildProjectInfo(m)));
}
/// <summary>
/// Gets the information about build projects (see <see cref="Solution.BuildProject"/>)
/// and their dependencies.
/// </summary>
/// <param name="m">The monitor to use.</param>
/// <param name="traceGraphDetails">True to trace the details of the input and output (sorted) graphs.</param>
/// <returns>The build projects information.</returns>
BuildProjectsInfo GetBuildProjectInfo(IActivityMonitor m)
{
Debug.Assert(!_projects.PureProjectsMode);
_projects.PureProjectsMode = true;
try
{
using (m.OpenTrace($"Creating Build Projects information."))
{
IDependencySorterResult rBuildProjects = DependencySorter.OrderItems(m, _projects.AllProjectItems.Where(p => p.Project.IsBuildProject), null);
if (!rBuildProjects.IsComplete)
{
rBuildProjects.LogError(m);
return(new BuildProjectsInfo(rBuildProjects, null));
}
else
{
var rankedProjects = rBuildProjects.SortedItems
.Where(i => i.Item is ProjectItem)
.Select(i => (i.Rank, ((ProjectItem)i.Item).Project,
DirectDeps: i.Requires
.Select(s => s.Item)
.OfType <ProjectItem>()
.Select(p => p.Project),
AllDeps: i.GetAllRequires()
.Select(s => s.Item)
.OfType <ProjectItem>()
.Select(p => p.Project)));
var zeroBuildProjects = rankedProjects.Select((p, idx) => new ZeroBuildProjectInfo(
idx,
p.Rank,
p.Project,
// UpgradePackages: Among direct dependencies, consider only the
// published projects and the ones who are actually referenced
// as a package (ignores ProjectReference).
p.DirectDeps
.Where(d => d.IsPublished &&
p.Project.PackageReferences.Any(r => d.GeneratedArtifacts
.Select(a => a.Artifact)
.Contains(r.Target.Artifact)))
.ToArray(),
// UpgradeZeroProjects: Among direct dependencies, consider all the
// published projects, the ones who are actually referenced
// as a package AND the ones that are ProjectReference.
// ProjectReference MUST be transformed into PackageReference
// during ZeroBuild.
p.DirectDeps
.Where(d => d.IsPublished)
.ToArray(),
// Dependencies: Considers all the projects.
p.AllDeps.ToArray()
))
.ToArray();
Debug.Assert(zeroBuildProjects.Select(z => z.Rank).IsSortedLarge());
Debug.Assert(zeroBuildProjects.Select(z => z.Index).IsSortedStrict());
return(new BuildProjectsInfo(rBuildProjects, zeroBuildProjects));
}
}
}
finally
{
_projects.PureProjectsMode = false;
}
}