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DataPRO/Modules/PreviousDBVersions/Version57/DatabaseExport/.svn/pristine/6a/6ac4426cfd4f4f13a51741cd59f047113ac5a06f.svn-base

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+using System.Collections.Generic;
+using System.Data;
+
+namespace DatabaseExport
+{
+    /// <summary>
+    /// list that holds groups
+    /// </summary>
+    public class TestObjectList
+    {
+        private static readonly object MyLock = new object();
+
+        private static TestObjectList _testObjectList;
+
+        public static TestObjectList TestObjectsList
+        {
+            get
+            {
+                lock (MyLock)
+                {
+                    if (null == _testObjectList)
+                    {
+                        _testObjectList = new TestObjectList();
+                    }
+                }
+                return _testObjectList;
+            }
+        }
+        public List<string> GetAllGroupSerialNumbers()
+        {
+            var serialNumbers = new List<string>();
+            using (var sql = DbOperations.GetCommand())
+            {
+                sql.CommandText = "SELECT A.SerialNumber from tblTestObjects as A";
+                using (var ds = DbOperations.Connection.QueryDataSet(sql))
+                {
+                    foreach (DataRow dr in ds.Tables[0].Rows)
+                    {
+                        var groupSerialNumber = (string)dr["SerialNumber"];
+                        if (!serialNumbers.Contains(groupSerialNumber))
+                        {
+                            serialNumbers.Add(groupSerialNumber);
+                        }
+                    }
+                }
+            }
+            return serialNumbers;
+        }
+        /// <summary>
+        /// returns a given test object if it is in the list, 
+        /// returns null otherwise
+        /// </summary>
+        /// <param name="serialNumber">serialnumber of group to look for</param>
+        /// <returns></returns>
+        public TestObject GetTestObject(string serialNumber)
+        {
+            var db = ISO13499FileDb.IsoDb;
+            var testObject = ISO.TestObject.GetTestObject(serialNumber, ref db);
+            if (null == testObject) { return null; }
+            return new TestObject(testObject, testObject.SysBuilt);
+        }
+
+        public TestObject GetAddedGroup(string serialNumber)
+        {
+            return GetTestObject(serialNumber);
+        }
+        protected TestObjectList()
+        {
+        }
+    }
+}