1 files changed, 82 insertions, 0 deletions

diff --git a/src/dtf/WixToolset.Dtf.WindowsInstaller/InstallationPart.cs b/src/dtf/WixToolset.Dtf.WindowsInstaller/InstallationPart.cs
new file mode 100644
index 00000000..ce5a6a94
--- /dev/null
+++ b/src/dtf/WixToolset.Dtf.WindowsInstaller/InstallationPart.cs
@@ -0,0 +1,82 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+
+namespace WixToolset.Dtf.WindowsInstaller
+{
+    /// <summary>
+    /// Subclasses of this abstract class represent an instance
+    /// of a registered feature or component.
+    /// </summary>
+    public abstract class InstallationPart
+    {
+        private string id;
+        private string productCode;
+        private string userSid;
+        private UserContexts context;
+
+        internal InstallationPart(string id, string productCode)
+            : this(id, productCode, null, UserContexts.None)
+        {
+        }
+
+        internal InstallationPart(string id, string productCode, string userSid, UserContexts context)
+        {
+            this.id = id;
+            this.productCode = productCode;
+            this.userSid = userSid;
+            this.context = context;
+        }
+
+        internal string Id
+        {
+            get
+            {
+                return this.id;
+            }
+        }
+
+        internal string ProductCode
+        {
+            get
+            {
+                return this.productCode;
+            }
+        }
+
+        internal string UserSid
+        {
+            get
+            {
+                return this.userSid;
+            }
+        }
+
+        internal UserContexts Context
+        {
+            get
+            {
+                return this.context;
+            }
+        }
+
+        /// <summary>
+        /// Gets the product that this item is a part of.
+        /// </summary>
+        public ProductInstallation Product
+        {
+            get
+            {
+                return this.productCode != null ?
+                    new ProductInstallation(this.productCode, userSid, context) : null;
+            }
+        }
+
+        /// <summary>
+        /// Gets the current installation state of the item.
+        /// </summary>
+        public abstract InstallState State
+        {
+            get;
+        }
+    }
+
+}