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SolutionInfo.cs
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SolutionInfo.cs
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// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using System.Collections.Generic;
using Microsoft.CodeAnalysis.Serialization;
using Microsoft.CodeAnalysis.Shared.Extensions;
using Roslyn.Utilities;
namespace Microsoft.CodeAnalysis
{
/// <summary>
/// A class that represents all the arguments necessary to create a new solution instance.
/// </summary>
public sealed class SolutionInfo
{
internal SolutionAttributes Attributes { get; }
/// <summary>
/// The unique Id of the solution.
/// </summary>
public SolutionId Id => Attributes.Id;
/// <summary>
/// The version of the solution.
/// </summary>
public VersionStamp Version => Attributes.Version;
/// <summary>
/// The path to the solution file, or null if there is no solution file.
/// </summary>
public string FilePath => Attributes.FilePath;
/// <summary>
/// A list of projects initially associated with the solution.
/// </summary>
public IReadOnlyList<ProjectInfo> Projects { get; }
private SolutionInfo(SolutionAttributes attributes, IEnumerable<ProjectInfo> projects)
{
Attributes = attributes;
Projects = projects.ToImmutableReadOnlyListOrEmpty();
}
/// <summary>
/// Create a new instance of a SolutionInfo.
/// </summary>
public static SolutionInfo Create(
SolutionId id,
VersionStamp version,
string filePath = null,
IEnumerable<ProjectInfo> projects = null)
{
return new SolutionInfo(new SolutionAttributes(id, version, filePath), projects);
}
private SolutionInfo With(
SolutionAttributes attributes = null,
IEnumerable<ProjectInfo> projects = null)
{
var newAttributes = attributes ?? Attributes;
var newProjects = projects ?? Projects;
if (newAttributes == Attributes &&
newProjects == Projects)
{
return this;
}
return new SolutionInfo(newAttributes, newProjects);
}
internal SolutionInfo WithVersion(VersionStamp version)
{
return With(attributes: new SolutionAttributes(Attributes.Id, version, Attributes.FilePath));
}
internal SolutionInfo WithFilePath(string filePath)
{
return With(attributes: new SolutionAttributes(Attributes.Id, Attributes.Version, filePath));
}
internal SolutionInfo WithProjects(IEnumerable<ProjectInfo> projects)
{
return With(projects: projects);
}
/// <summary>
/// type that contains information regarding this solution itself but
/// no tree information such as project info
/// </summary>
internal class SolutionAttributes : IChecksummedObject, IObjectWritable
{
/// <summary>
/// The unique Id of the solution.
/// </summary>
public SolutionId Id { get; }
/// <summary>
/// The version of the solution.
/// </summary>
public VersionStamp Version { get; }
/// <summary>
/// The path to the solution file, or null if there is no solution file.
/// </summary>
public string FilePath { get; }
public SolutionAttributes(SolutionId id, VersionStamp version, string filePath)
{
Id = id ?? throw new ArgumentNullException(nameof(id));
Version = version;
FilePath = filePath;
}
public SolutionAttributes WithVersion(VersionStamp versionStamp)
{
return new SolutionAttributes(Id, versionStamp, FilePath);
}
bool IObjectWritable.ShouldReuseInSerialization => true;
public void WriteTo(ObjectWriter writer)
{
Id.WriteTo(writer);
// TODO: figure out a way to send version info over as well.
// right now, version get updated automatically, so 2 can't be exactly match
// info.Version.WriteTo(writer);
writer.WriteString(FilePath);
}
public static SolutionAttributes ReadFrom(ObjectReader reader)
{
var solutionId = SolutionId.ReadFrom(reader);
// var version = VersionStamp.ReadFrom(reader);
var filePath = reader.ReadString();
return new SolutionAttributes(solutionId, VersionStamp.Create(), filePath);
}
private Checksum _lazyChecksum;
Checksum IChecksummedObject.Checksum
{
get
{
if (_lazyChecksum == null)
{
_lazyChecksum = Checksum.Create(WellKnownSynchronizationKind.SolutionAttributes, this);
}
return _lazyChecksum;
}
}
}
}
}