public DatabaseEntry MultipleKeyGen(DatabaseEntry key, DatabaseEntry data) { LinkedList <DatabaseEntry> skeys = new LinkedList <DatabaseEntry>(); String dataStr = Configuration.strFromDBT(data); foreach (String s in dataStr.Split(',')) { DatabaseEntry tmp = new DatabaseEntry(); Configuration.dbtFromString(tmp, s); skeys.AddLast(tmp); } return(new MultipleDatabaseEntry(skeys, false)); }
public void TestMultiKeyGen() { testName = "TestPrefixCompare"; SetUpTest(true); string dbFileName = testHome + "/" + testName + ".db"; // Open a primary btree database. BTreeDatabaseConfig btreeDBConfig = new BTreeDatabaseConfig(); btreeDBConfig.Creation = CreatePolicy.ALWAYS; BTreeDatabase btreeDB = BTreeDatabase.Open( dbFileName, btreeDBConfig); // Open a secondary btree database. SecondaryBTreeDatabaseConfig secBtreeDBConfig = new SecondaryBTreeDatabaseConfig(btreeDB, null); secBtreeDBConfig.Primary = btreeDB; secBtreeDBConfig.KeyGen = new SecondaryKeyGenDelegate( MultipleKeyGen); SecondaryBTreeDatabase secDB = SecondaryBTreeDatabase.Open( dbFileName, secBtreeDBConfig); /* Check that multiple secondary keys work */ DatabaseEntry key, data; String keyStr = "key"; key = new DatabaseEntry(); Configuration.dbtFromString(key, keyStr); data = new DatabaseEntry(); String[] dataStrs = { "abc", "def", "ghi", "jkl" }; String dataStr = String.Join(",", dataStrs); Configuration.dbtFromString(data, dataStr); btreeDB.Put(key, data); foreach (String skeyStr in dataStrs) { DatabaseEntry skey = new DatabaseEntry(); Configuration.dbtFromString(skey, skeyStr); Assert.IsTrue(secDB.Exists(skey)); } /* * Check that a single secondary key, returned in a * MultipleDatabaseEntry works. */ keyStr = "key2"; key = new DatabaseEntry(); Configuration.dbtFromString(key, keyStr); data = new DatabaseEntry(); dataStrs = new string[1] { "abcdefghijkl" }; dataStr = String.Join(",", dataStrs); Configuration.dbtFromString(data, dataStr); btreeDB.Put(key, data); // Check that secondary keys work foreach (String skeyStr in dataStrs) { DatabaseEntry skey = new DatabaseEntry(); Configuration.dbtFromString(skey, skeyStr); Assert.IsTrue(secDB.Exists(skey)); } }