Component Graph

Component.cs

#region

using System;
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
using Cmc.Core.ComponentModel;
using Cmc.Core.Diagnostics;

#endregion

namespace Cmc.Installer.Core
{
    public abstract class Component
    {
        protected readonly ILogger Logger;
        private readonly Lazy<Task> _task;
        private readonly CancellationTokenSource _cancellationTokenSource;

        protected Component(string name, string targetMachine, IProgress<InstallProgress> progress, CancellationTokenSource cancellationTokenSource)
        {
            Logger = ServiceLocator.Default.GetInstance<ILoggerFactory>().GetLogger(this);
            Dependencies = new List<Component>();
            Name = name;
            TargetMachine = targetMachine;
            Progress = progress;
            _cancellationTokenSource = cancellationTokenSource;
            _task = new Lazy<Task>(() => StartTask(_cancellationTokenSource));
        }

        private string Name { get; set; }

        public string TargetMachine { get; set; }

        public List<Component> Dependencies { get; set; }

        public Task InstallationCompletion { get { return _task.Value; } }

        public IProgress<InstallProgress> Progress { get; set; }
        
        protected abstract Task StartTask(CancellationTokenSource cancellationTokenSource);

        public override string ToString()
        {
            return string.Format("[{0} on {1}]", Name, TargetMachine);
        }
    }
}