public override async Task <string> OnGetEvaluatedPropertyValueAsync(
string evaluatedPropertyValue,
IProjectProperties defaultProperties)
{
using (ProjectLockReleaser access = await _projectLockService.ReadLockAsync())
{
Microsoft.Build.Construction.ProjectRootElement projectXml = await access.GetProjectXmlAsync(_unconfiguredProject.FullPath);
return(await _helper.GetPropertyAsync(projectXml, defaultProperties));
}
}
public async Task OpenProjectXmlForUpgradeableReadAsync(UnconfiguredProject project, Func <ProjectRootElement, CancellationToken, Task> action, CancellationToken cancellationToken = default)
{
Requires.NotNull(project, nameof(project));
Requires.NotNull(project, nameof(action));
using (ProjectLockReleaser access = await _projectLockService.UpgradeableReadLockAsync(cancellationToken))
{
ProjectRootElement rootElement = await access.GetProjectXmlAsync(project.FullPath, cancellationToken);
// Only async to let the caller upgrade to a
// write lock via OpenProjectXmlForWriteAsync
await action(rootElement, cancellationToken);
}
}
public async Task <TResult> OpenProjectXmlForReadAsync <TResult>(UnconfiguredProject project, Func <ProjectRootElement, TResult> action, CancellationToken cancellationToken = default)
{
Requires.NotNull(project, nameof(project));
Requires.NotNull(project, nameof(action));
using (ProjectLockReleaser access = await _projectLockService.ReadLockAsync(cancellationToken))
{
ProjectRootElement rootElement = await access.GetProjectXmlAsync(project.FullPath, cancellationToken);
// Deliberately not async to reduce the type of
// code you can run while holding the lock.
return(action(rootElement));
}
}
public async Task <TResult> OpenProjectForReadAsync <TResult>(ConfiguredProject project, Func <Project, TResult> action, CancellationToken cancellationToken = default)
{
Requires.NotNull(project, nameof(project));
Requires.NotNull(project, nameof(action));
using (ProjectLockReleaser access = await _projectLockService.ReadLockAsync(cancellationToken))
{
Project evaluatedProject = await access.GetProjectAsync(project, cancellationToken)
.ConfigureAwait(true);
// Deliberately not async to reduce the type of
// code you can run while holding the lock.
return(action(evaluatedProject));
}
}
