public void OpenSecQueueDB(string className,
string funName, string dbFileName, string dbSecFileName)
{
XmlElement xmlElem = Configuration.TestSetUp(
className, funName);
// Open a primary queue database.
QueueDatabaseConfig primaryDBConfig =
new QueueDatabaseConfig();
primaryDBConfig.Creation = CreatePolicy.IF_NEEDED;
QueueDatabase primaryDB;
/*
* If secondary database name is given, the primary
* database is also opened with database name.
*/
primaryDB = QueueDatabase.Open(dbFileName,
primaryDBConfig);
try
{
// Open a new secondary database.
SecondaryQueueDatabaseConfig secQueueDBConfig =
new SecondaryQueueDatabaseConfig(
primaryDB, null);
SecondaryQueueDatabaseConfigTest.Config(
xmlElem, ref secQueueDBConfig, false);
secQueueDBConfig.Creation =
CreatePolicy.IF_NEEDED;
SecondaryQueueDatabase secQueueDB;
secQueueDB = SecondaryQueueDatabase.Open(
dbSecFileName, secQueueDBConfig);
// Close the secondary database.
secQueueDB.Close();
// Open the existing secondary database.
SecondaryDatabaseConfig secDBConfig =
new SecondaryQueueDatabaseConfig(
primaryDB, null);
SecondaryDatabase secDB;
secDB = SecondaryQueueDatabase.Open(
dbSecFileName, secDBConfig);
// Close secondary database.
secDB.Close();
}
catch (DatabaseException)
{
throw new TestException();
}
finally
{
// Close primary database.
primaryDB.Close();
}
}
public void ConfigCase1(QueueDatabaseConfig dbConfig)
{
dbConfig.Creation = CreatePolicy.IF_NEEDED;
dbConfig.PageSize = 4096;
dbConfig.ExtentSize = 1024;
dbConfig.Length = 4000;
dbConfig.PadByte = 32;
}
/// <summary>
/// Instantiate a new QueueDatabase object and open the database
/// represented by <paramref name="Filename"/>.
/// </summary>
/// <remarks>
/// <para>
/// If <paramref name="Filename"/> is null, the database is strictly
/// temporary and cannot be opened by any other thread of control, thus
/// the database can only be accessed by sharing the single database
/// object that created it, in circumstances where doing so is safe.
/// </para>
/// <para>
/// If <paramref name="txn"/> is null, but
/// <see cref="DatabaseConfig.AutoCommit"/> is set, the operation will
/// be implicitly transaction protected. Note that transactionally
/// protected operations on a datbase object requires the object itself
/// be transactionally protected during its open. Also note that the
/// transaction must be committed before the object is closed.
/// </para>
/// </remarks>
/// <param name="Filename">
/// The name of an underlying file that will be used to back the
/// database. In-memory databases never intended to be preserved on disk
/// may be created by setting this parameter to null.
/// </param>
/// <param name="cfg">The database's configuration</param>
/// <param name="txn">
/// If the operation is part of an application-specified transaction,
/// <paramref name="txn"/> is a Transaction object returned from
/// <see cref="DatabaseEnvironment.BeginTransaction"/>; if
/// the operation is part of a Berkeley DB Concurrent Data Store group,
/// <paramref name="txn"/> is a handle returned from
/// <see cref="DatabaseEnvironment.BeginCDSGroup"/>; otherwise null.
/// </param>
/// <returns>A new, open database object</returns>
public static QueueDatabase Open(
string Filename, QueueDatabaseConfig cfg, Transaction txn)
{
QueueDatabase ret = new QueueDatabase(cfg.Env, 0);
ret.Config(cfg);
ret.db.open(Transaction.getDB_TXN(txn),
Filename, null, DBTYPE.DB_QUEUE, cfg.openFlags, 0);
ret.isOpen = true;
return(ret);
}
private void Config(QueueDatabaseConfig cfg) {
base.Config(cfg);
/*
* Database.Config calls set_flags, but that doesn't get the Queue
* specific flags. No harm in calling it again.
*/
db.set_flags(cfg.flags);
db.set_re_len(cfg.Length);
if (cfg.padIsSet)
db.set_re_pad(cfg.PadByte);
if (cfg.extentIsSet)
db.set_q_extentsize(cfg.ExtentSize);
}
public static void Confirm(XmlElement xmlElement,
QueueDatabaseConfig queueDBConfig, bool compulsory)
{
DatabaseConfig dbConfig = queueDBConfig;
Confirm(xmlElement, dbConfig, compulsory);
// Confirm Queue database specific configuration
Configuration.ConfirmBool(xmlElement, "ConsumeInOrder",
queueDBConfig.ConsumeInOrder, compulsory);
Configuration.ConfirmCreatePolicy(xmlElement, "Creation",
queueDBConfig.Creation, compulsory);
Configuration.ConfirmUint(xmlElement, "Length",
queueDBConfig.Length, compulsory);
Configuration.ConfirmInt(xmlElement, "PadByte",
queueDBConfig.PadByte, compulsory);
Configuration.ConfirmUint(xmlElement, "ExtentSize",
queueDBConfig.ExtentSize, compulsory);
}
private void Config(QueueDatabaseConfig cfg)
{
base.Config(cfg);
/*
* Database.Config calls set_flags, but that doesn't get the Queue
* specific flags. No harm in calling it again.
*/
db.set_flags(cfg.flags);
db.set_re_len(cfg.Length);
if (cfg.padIsSet)
{
db.set_re_pad(cfg.PadByte);
}
if (cfg.extentIsSet)
{
db.set_q_extentsize(cfg.ExtentSize);
}
}
public void GetCursur(string dbFileName, bool ifConfig)
{
QueueDatabaseConfig dbConfig = new QueueDatabaseConfig();
dbConfig.Creation = CreatePolicy.IF_NEEDED;
dbConfig.Length = 100;
QueueDatabase db = QueueDatabase.Open(dbFileName, dbConfig);
Cursor cursor;
CursorConfig cursorConfig = new CursorConfig();
cursorConfig.Priority = CachePriority.HIGH;
if (ifConfig == false)
cursor = db.Cursor();
else
cursor = db.Cursor(cursorConfig);
cursor.Add(new KeyValuePair<DatabaseEntry,DatabaseEntry>(
new DatabaseEntry(BitConverter.GetBytes((int)1)),
new DatabaseEntry(BitConverter.GetBytes((int)1))));
Cursor dupCursor = cursor.Duplicate(false);
Assert.IsNull(dupCursor.Current.Key);
Assert.AreEqual(CachePriority.HIGH, dupCursor.Priority);
dupCursor.Close();
cursor.Close();
db.Close();
}
public static void Config(XmlElement xmlElement,
ref QueueDatabaseConfig queueDBConfig, bool compulsory)
{
uint uintValue = new uint();
int intValue = new int();
DatabaseConfig dbConfig = queueDBConfig;
Config(xmlElement, ref dbConfig, compulsory);
// Configure specific fields/properties of Queue database
Configuration.ConfigBool(xmlElement, "ConsumeInOrder",
ref queueDBConfig.ConsumeInOrder, compulsory);
Configuration.ConfigCreatePolicy(xmlElement, "Creation",
ref queueDBConfig.Creation, compulsory);
if (Configuration.ConfigUint(xmlElement, "Length",
ref uintValue, compulsory))
queueDBConfig.Length = uintValue;
if (Configuration.ConfigInt(xmlElement, "PadByte",
ref intValue, compulsory))
queueDBConfig.PadByte = intValue;
if (Configuration.ConfigUint(xmlElement, "ExtentSize",
ref uintValue, compulsory))
queueDBConfig.ExtentSize = uintValue;
}
public void TestOpenExistingQueueDB()
{
testName = "TestOpenExistingQueueDB";
SetUpTest(true);
string queueDBFileName = testHome + "/" + testName + ".db";
QueueDatabaseConfig queueConfig = new QueueDatabaseConfig();
queueConfig.Creation = CreatePolicy.ALWAYS;
QueueDatabase queueDB = QueueDatabase.Open(
queueDBFileName, queueConfig);
queueDB.Close();
DatabaseConfig dbConfig = new DatabaseConfig();
Database db = Database.Open(queueDBFileName, dbConfig);
Assert.AreEqual(db.Type, DatabaseType.QUEUE);
db.Close();
}
public void TestMessageFile()
{
testName = "TestMessageFile";
SetUpTest(true);
// Configure and open an environment.
DatabaseEnvironmentConfig envConfig =
new DatabaseEnvironmentConfig();
envConfig.Create = true;
envConfig.UseMPool = true;
DatabaseEnvironment env = DatabaseEnvironment.Open(
testHome, envConfig);
// Configure and open a database.
QueueDatabaseConfig DBConfig =
new QueueDatabaseConfig();
DBConfig.Env = env;
DBConfig.Creation = CreatePolicy.IF_NEEDED;
string DBFileName = testName + ".db";
QueueDatabase db = QueueDatabase.Open(
DBFileName, DBConfig);
// Confirm message file does not exist.
string messageFile = testHome + "/" + "msgfile";
Assert.AreEqual(false, File.Exists(messageFile));
// Call set_msgfile() of db.
db.Msgfile = messageFile;
// Print db statistic to message file.
db.PrintStats(true);
// Confirm message file exists now.
Assert.AreEqual(true, File.Exists(messageFile));
db.Msgfile = "";
string line = null;
// Read the third line of message file.
System.IO.StreamReader file = new System.IO.StreamReader(@"" + messageFile);
line = file.ReadLine();
line = file.ReadLine();
line = file.ReadLine();
// Confirm the message file is not empty.
Assert.AreEqual(line, "DB handle information:");
file.Close();
// Close database and environment.
db.Close();
env.Close();
}
public void GetCursur(string dbFileName, bool ifConfig)
{
QueueDatabaseConfig dbConfig = new QueueDatabaseConfig();
dbConfig.Creation = CreatePolicy.IF_NEEDED;
dbConfig.Length = 100;
QueueDatabase db = QueueDatabase.Open(dbFileName, dbConfig);
Cursor cursor;
if (ifConfig == false)
cursor = db.Cursor();
else
cursor = db.Cursor(new CursorConfig());
cursor.Close();
db.Close();
}
private void GetCursorWithConfig(string dbFile, string dbName,
CursorConfig cfg, DatabaseType type)
{
Database db;
Cursor cursor;
Configuration.ClearDir(testHome);
if (type == DatabaseType.BTREE) {
BTreeDatabaseConfig dbConfig = new BTreeDatabaseConfig();
dbConfig.Creation = CreatePolicy.IF_NEEDED;
db = BTreeDatabase.Open(dbFile, dbName, dbConfig);
cursor = ((BTreeDatabase)db).Cursor(cfg);
} else if (type == DatabaseType.HASH) {
HashDatabaseConfig dbConfig = new HashDatabaseConfig();
dbConfig.Creation = CreatePolicy.IF_NEEDED;
db = (HashDatabase)HashDatabase.Open(dbFile, dbName, dbConfig);
cursor = ((HashDatabase)db).Cursor(cfg);
} else if (type == DatabaseType.QUEUE) {
QueueDatabaseConfig dbConfig = new QueueDatabaseConfig();
dbConfig.Creation = CreatePolicy.IF_NEEDED;
dbConfig.Length = 100;
db = QueueDatabase.Open(dbFile, dbConfig);
cursor = ((QueueDatabase)db).Cursor(cfg);
} else if (type == DatabaseType.RECNO) {
RecnoDatabaseConfig dbConfig = new RecnoDatabaseConfig();
dbConfig.Creation = CreatePolicy.IF_NEEDED;
db = RecnoDatabase.Open(dbFile, dbName, dbConfig);
cursor = ((RecnoDatabase)db).Cursor(cfg);
} else
throw new TestException();
if (cfg.Priority != null)
Assert.AreEqual(cursor.Priority, cfg.Priority);
else
Assert.AreEqual(CachePriority.DEFAULT, cursor.Priority);
Cursor dupCursor = cursor.Duplicate(false);
Assert.AreEqual(cursor.Priority, dupCursor.Priority);
cursor.Close();
db.Close();
}
public void TestConsumeWithoutTxn()
{
testName = "TestConsumeWithoutTxn";
SetUpTest(true);
string queueDBFileName = testHome + "/" +
testName + ".db";
QueueDatabaseConfig queueConfig =
new QueueDatabaseConfig();
queueConfig.Creation = CreatePolicy.ALWAYS;
queueConfig.ErrorPrefix = testName;
queueConfig.Length = 1000;
QueueDatabase queueDB = QueueDatabase.Open(
queueDBFileName, queueConfig);
DatabaseEntry data = new DatabaseEntry(
ASCIIEncoding.ASCII.GetBytes("data"));
queueDB.Append(data);
DatabaseEntry consumeData = new DatabaseEntry();
KeyValuePair<uint, DatabaseEntry> pair = queueDB.Consume(false);
try
{
DatabaseEntry key =
new DatabaseEntry(BitConverter.GetBytes(pair.Key));
queueDB.Get(key);
}
catch (NotFoundException)
{
throw new ExpectedTestException();
}
finally
{
queueDB.Close();
}
}
public void TestPutToQueue()
{
KeyValuePair<DatabaseEntry, DatabaseEntry> pair;
testName = "TestPutQueue";
SetUpTest(true);
string queueDBFileName = testHome + "/" +
testName + ".db";
QueueDatabaseConfig queueConfig =
new QueueDatabaseConfig();
queueConfig.Length = 512;
queueConfig.Creation = CreatePolicy.ALWAYS;
using (QueueDatabase queueDB = QueueDatabase.Open(
queueDBFileName, queueConfig))
{
DatabaseEntry key = new DatabaseEntry();
key.Data = BitConverter.GetBytes((int)100);
DatabaseEntry data = new DatabaseEntry(
BitConverter.GetBytes((int)1));
queueDB.Put(key, data);
pair = queueDB.GetBoth(key, data);
}
}
public void TestAppendWithoutTxn()
{
testName = "TestAppendWithoutTxn";
SetUpTest(true);
string queueDBFileName = testHome + "/" + testName + ".db";
QueueDatabaseConfig queueConfig = new QueueDatabaseConfig();
queueConfig.Creation = CreatePolicy.ALWAYS;
queueConfig.Length = 1000;
QueueDatabase queueDB = QueueDatabase.Open(
queueDBFileName, queueConfig);
byte[] byteArr = new byte[4];
byteArr = BitConverter.GetBytes((int)1);
DatabaseEntry data = new DatabaseEntry(byteArr);
uint recno = queueDB.Append(data);
// Confirm that the recno is larger than 0.
Assert.AreNotEqual(0, recno);
// Confirm that the record exists in the database.
byteArr = BitConverter.GetBytes(recno);
DatabaseEntry key = new DatabaseEntry();
key.Data = byteArr;
Assert.IsTrue(queueDB.Exists(key));
queueDB.Close();
}
public void TestAppendWithTxn()
{
testName = "TestAppendWithTxn";
SetUpTest(true);
string queueDBFileName = testHome + "/" + testName + ".db";
string queueDBName =
Path.GetFileNameWithoutExtension(queueDBFileName);
DatabaseEnvironmentConfig envConfig =
new DatabaseEnvironmentConfig();
envConfig.Create = true;
envConfig.UseTxns = true;
envConfig.UseMPool = true;
DatabaseEnvironment env = DatabaseEnvironment.Open(
testHome, envConfig);
Transaction txn = env.BeginTransaction();
QueueDatabaseConfig queueConfig = new QueueDatabaseConfig();
queueConfig.Creation = CreatePolicy.ALWAYS;
queueConfig.Env = env;
queueConfig.Length = 1000;
/* If environmnet home is set, the file name in
* Open() is the relative path.
*/
QueueDatabase queueDB = QueueDatabase.Open(
queueDBName, queueConfig, txn);
DatabaseEntry data;
int i = 1000;
try
{
while (i > 0)
{
data = new DatabaseEntry(
BitConverter.GetBytes(i));
queueDB.Append(data, txn);
i--;
}
txn.Commit();
}
catch
{
txn.Abort();
}
finally
{
queueDB.Close();
env.Close();
}
}
public void StatsInTxn(string home, string name, bool ifIsolation)
{
DatabaseEnvironmentConfig envConfig =
new DatabaseEnvironmentConfig();
EnvConfigCase1(envConfig);
DatabaseEnvironment env = DatabaseEnvironment.Open(
home, envConfig);
Transaction openTxn = env.BeginTransaction();
QueueDatabaseConfig dbConfig =
new QueueDatabaseConfig();
ConfigCase1(dbConfig);
dbConfig.Env = env;
QueueDatabase db = QueueDatabase.Open(name + ".db",
dbConfig, openTxn);
openTxn.Commit();
Transaction statsTxn = env.BeginTransaction();
QueueStats stats;
if (ifIsolation == false)
stats = db.Stats(statsTxn);
else
stats = db.Stats(statsTxn, Isolation.DEGREE_ONE);
ConfirmStatsPart1Case1(stats);
db.Msgfile = home + "/" + name+ ".log";
db.PrintStats(true);
// Put 500 records into the database.
PutRecordCase1(db, statsTxn);
if (ifIsolation == false)
stats = db.Stats(statsTxn);
else
stats = db.Stats(statsTxn, Isolation.DEGREE_TWO);
ConfirmStatsPart2Case1(stats);
db.PrintStats();
statsTxn.Commit();
db.Close();
env.Close();
}
public new void TestConfigWithoutEnv()
{
testName = "TestConfigWithoutEnv";
SetUpTest(false);
XmlElement xmlElem = Configuration.TestSetUp(
testFixtureName, testName);
QueueDatabaseConfig queueDBConfig =
new QueueDatabaseConfig();
Config(xmlElem, ref queueDBConfig, true);
Confirm(xmlElem, queueDBConfig, true);
}
/// <summary>
/// Instantiate a new QueueDatabase object and open the database
/// represented by <paramref name="Filename"/>.
/// </summary>
/// <remarks>
/// <para>
/// If <paramref name="Filename"/> is null, the database is strictly
/// temporary and cannot be opened by any other thread of control, thus
/// the database can only be accessed by sharing the single database
/// object that created it, in circumstances where doing so is safe.
/// </para>
/// <para>
/// If <see cref="DatabaseConfig.AutoCommit"/> is set, the operation
/// will be implicitly transaction protected. Note that transactionally
/// protected operations on a datbase object requires the object itself
/// be transactionally protected during its open.
/// </para>
/// </remarks>
/// <param name="Filename">
/// The name of an underlying file that will be used to back the
/// database. In-memory databases never intended to be preserved on disk
/// may be created by setting this parameter to null.
/// </param>
/// <param name="cfg">The database's configuration</param>
/// <returns>A new, open database object</returns>
public static QueueDatabase Open(
string Filename, QueueDatabaseConfig cfg)
{
return Open(Filename, cfg, null);
}
public void TestOpenNewQueueDB()
{
testName = "TestOpenNewQueueDB";
SetUpTest(true);
string queueDBFileName = testHome + "/" + testName + ".db";
// Configure all fields/properties in queue database.
XmlElement xmlElem = Configuration.TestSetUp(
testFixtureName, testName);
QueueDatabaseConfig queueConfig = new QueueDatabaseConfig();
QueueDatabaseConfigTest.Config(xmlElem, ref queueConfig, true);
queueConfig.Feedback = new DatabaseFeedbackDelegate(DbFeedback);
// Open the queue database with above configuration.
QueueDatabase queueDB = QueueDatabase.Open(
queueDBFileName, queueConfig);
// Check the fields/properties in opened queue database.
Confirm(xmlElem, queueDB, true);
queueDB.Close();
}
public void TestConsumeWithTxn()
{
testName = "TestConsumeWithTxn";
SetUpTest(true);
string queueDBFileName = testHome + "/" + testName + ".db";
string queueDBName = Path.GetFileName(queueDBFileName);
DatabaseEnvironmentConfig envConfig =
new DatabaseEnvironmentConfig();
envConfig.Create = true;
envConfig.UseTxns = true;
envConfig.UseMPool = true;
DatabaseEnvironment env = DatabaseEnvironment.Open(
testHome, envConfig);
Transaction txn = env.BeginTransaction();
QueueDatabaseConfig queueConfig =
new QueueDatabaseConfig();
queueConfig.Creation = CreatePolicy.ALWAYS;
queueConfig.Env = env;
queueConfig.Length = 1000;
QueueDatabase queueDB = QueueDatabase.Open(
queueDBName, queueConfig, txn);
int i = 1;
DatabaseEntry data;
DatabaseEntry getData = new DatabaseEntry();
while (i <= 10)
{
data = new DatabaseEntry(
ASCIIEncoding.ASCII.GetBytes(i.ToString()));
queueDB.Append(data, txn);
if (i == 5)
{
getData = data;
}
i++;
}
KeyValuePair<uint, DatabaseEntry> pair = queueDB.Consume(false, txn);
queueDB.Close();
txn.Commit();
env.Close();
Database db = Database.Open(queueDBFileName,
new QueueDatabaseConfig());
try
{
DatabaseEntry key =
new DatabaseEntry(BitConverter.GetBytes(pair.Key));
db.Get(key);
}
catch (NotFoundException)
{
throw new ExpectedTestException();
}
finally
{
db.Close();
}
}
public void TestPutMultiple()
{
testName = "TestPutMultiple";
SetUpTest(true);
QueueDatabaseConfig dbConfig = new QueueDatabaseConfig();
dbConfig.Creation = CreatePolicy.IF_NEEDED;
dbConfig.ExtentSize = 1024;
dbConfig.Length = 520;
dbConfig.PadByte = 0;
QueueDatabase db = QueueDatabase.Open(testHome + "/" +
testName + ".db", dbConfig);
List<uint> kList = new List<uint>();
List<DatabaseEntry> vList = new List<DatabaseEntry>();
DatabaseEntry key, data;
for (uint i = 1; i <= 9;i++) {
key = new DatabaseEntry(BitConverter.GetBytes(i));
data = new DatabaseEntry(
ASCIIEncoding.ASCII.GetBytes("data" + i +
Configuration.RandomString(512)));
kList.Add(i);
vList.Add(data);
}
// Create bulk buffer for recno based keys.
MultipleDatabaseEntry kBuff =
new MultipleDatabaseEntry(kList);
Assert.IsTrue(kBuff.Recno);
int val = 0;
foreach (DatabaseEntry dbt in kBuff) {
Assert.AreEqual(
BitConverter.GetBytes(kList[val]),
dbt.Data);
val++;
}
Assert.AreEqual(9, val);
// Create bulk buffer for data.
MultipleDatabaseEntry vBuff =
new MultipleDatabaseEntry(vList, false);
/*
* Create recno bulk buffer from another recno bulk
* buffer.
*/
MultipleDatabaseEntry kBuff1 =
new MultipleDatabaseEntry(kBuff.Data, kBuff.Recno);
val = 0;
foreach (DatabaseEntry dbt in kBuff1) {
Assert.AreEqual(
BitConverter.GetBytes(kList[val]),
dbt.Data);
val++;
}
Assert.AreEqual(9, val);
// Bulk insert to database with key and value buffers.
db.Put(kBuff, vBuff);
Cursor cursor = db.Cursor();
KeyValuePair<DatabaseEntry, DatabaseEntry> pair;
val = 0;
while (cursor.MoveNext()) {
pair = cursor.Current;
Assert.AreEqual(
BitConverter.GetBytes(kList[val]),
pair.Key.Data);
for (int i = 0; i < 520; i++) {
if (i < vList[val].Data.Length)
Assert.AreEqual(vList[val].Data[i],
pair.Value.Data[i]);
else
// The pad byte is 0.
Assert.AreEqual(0, pair.Value.Data[i]);
}
Assert.IsFalse(cursor.MoveNextDuplicate());
val++;
}
Assert.AreEqual(9, val);
cursor.Close();
db.Close();
}
/// <summary>
/// Instantiate a new QueueDatabase object and open the database
/// represented by <paramref name="Filename"/>.
/// </summary>
/// <remarks>
/// <para>
/// If <paramref name="Filename"/> is null, the database is strictly
/// temporary and cannot be opened by any other thread of control, thus
/// the database can only be accessed by sharing the single database
/// object that created it, in circumstances where doing so is safe.
/// </para>
/// <para>
/// If <see cref="DatabaseConfig.AutoCommit"/> is set, the operation
/// will be implicitly transaction protected. Note that transactionally
/// protected operations on a datbase object requires the object itself
/// be transactionally protected during its open.
/// </para>
/// </remarks>
/// <param name="Filename">
/// The name of an underlying file that will be used to back the
/// database. In-memory databases never intended to be preserved on disk
/// may be created by setting this parameter to null.
/// </param>
/// <param name="cfg">The database's configuration</param>
/// <returns>A new, open database object</returns>
public static QueueDatabase Open(
string Filename, QueueDatabaseConfig cfg)
{
return(Open(Filename, cfg, null));
}
public void TestStats()
{
testName = "TestStats";
SetUpTest(true);
string dbFileName = testHome + "/" +
testName + ".db";
QueueDatabaseConfig dbConfig =
new QueueDatabaseConfig();
ConfigCase1(dbConfig);
QueueDatabase db = QueueDatabase.Open(dbFileName, dbConfig);
QueueStats stats = db.Stats();
ConfirmStatsPart1Case1(stats);
db.Msgfile = testHome + "/" + testName+ ".log";
db.PrintFastStats(true);
// Put 500 records into the database.
PutRecordCase1(db, null);
stats = db.Stats();
ConfirmStatsPart2Case1(stats);
db.PrintFastStats();
db.Close();
}
public void TestStats()
{
testName = "TestStats";
testHome = testFixtureHome + "/" + testName;
string dbFileName = testHome + "/" +
testName + ".db";
Configuration.ClearDir(testHome);
QueueDatabaseConfig dbConfig =
new QueueDatabaseConfig();
ConfigCase1(dbConfig);
QueueDatabase db = QueueDatabase.Open(dbFileName, dbConfig);
QueueStats stats = db.Stats();
ConfirmStatsPart1Case1(stats);
db.PrintFastStats(true);
// Put 500 records into the database.
PutRecordCase1(db, null);
stats = db.Stats();
ConfirmStatsPart2Case1(stats);
db.PrintFastStats();
db.Close();
}
public void TestConfig()
{
testName = "TestConfig";
SetUpTest(true);
string dbFileName = testHome + "/" + testName + ".db";
XmlElement xmlElem = Configuration.TestSetUp(
testFixtureName, testName);
// Open a primary btree database.
QueueDatabaseConfig queueDBConfig =
new QueueDatabaseConfig();
queueDBConfig.Creation = CreatePolicy.IF_NEEDED;
QueueDatabase queueDB = QueueDatabase.Open(
dbFileName, queueDBConfig);
SecondaryQueueDatabaseConfig secDBConfig =
new SecondaryQueueDatabaseConfig(queueDB, null);
Config(xmlElem, ref secDBConfig, true);
Confirm(xmlElem, secDBConfig, true);
// Close the primary btree database.
queueDB.Close();
}
public void OpenSecQueueDBWithinTxn(string className,
string funName, string home, string dbFileName,
string dbSecFileName)
{
XmlElement xmlElem = Configuration.TestSetUp(
className, funName);
// Open an environment.
DatabaseEnvironmentConfig envConfig =
new DatabaseEnvironmentConfig();
envConfig.Create = true;
envConfig.UseTxns = true;
envConfig.UseMPool = true;
envConfig.UseLogging = true;
DatabaseEnvironment env = DatabaseEnvironment.Open(
home, envConfig);
// Open a primary queue database.
Transaction openDBTxn = env.BeginTransaction();
QueueDatabaseConfig dbConfig =
new QueueDatabaseConfig();
dbConfig.Creation = CreatePolicy.IF_NEEDED;
dbConfig.Env = env;
QueueDatabase db = QueueDatabase.Open(
dbFileName, dbConfig, openDBTxn);
openDBTxn.Commit();
// Open a secondary queue database.
Transaction openSecTxn = env.BeginTransaction();
SecondaryQueueDatabaseConfig secDBConfig =
new SecondaryQueueDatabaseConfig(db,
new SecondaryKeyGenDelegate(SecondaryKeyGen));
SecondaryQueueDatabaseConfigTest.Config(xmlElem,
ref secDBConfig, true);
secDBConfig.Env = env;
SecondaryQueueDatabase secDB;
secDB = SecondaryQueueDatabase.Open(
dbSecFileName, secDBConfig, openSecTxn);
openSecTxn.Commit();
// Confirm its flags configured in secDBConfig.
Confirm(xmlElem, secDB, true);
secDB.Close();
// Open the existing secondary database.
Transaction secTxn = env.BeginTransaction();
SecondaryDatabaseConfig secConfig =
new SecondaryDatabaseConfig(db,
new SecondaryKeyGenDelegate(SecondaryKeyGen));
secConfig.Env = env;
SecondaryDatabase secExDB;
secExDB = SecondaryQueueDatabase.Open(
dbSecFileName, secConfig, secTxn);
secExDB.Close();
secTxn.Commit();
db.Close();
env.Close();
}
public void TestForeignKeyDelete(DatabaseType dbtype, ForeignKeyDeleteAction action)
{
SetUpTest(true);
string dbFileName = testHome + "/" + testName + ".db";
string fdbFileName = testHome + "/" + testName + "foreign.db";
string sdbFileName = testHome + "/" + testName + "sec.db";
Database primaryDB, fdb;
SecondaryDatabase secDB;
// Open primary database.
if (dbtype == DatabaseType.BTREE) {
BTreeDatabaseConfig btConfig = new BTreeDatabaseConfig();
btConfig.Creation = CreatePolicy.ALWAYS;
primaryDB = BTreeDatabase.Open(dbFileName, btConfig);
fdb = BTreeDatabase.Open(fdbFileName, btConfig);
} else if (dbtype == DatabaseType.HASH) {
HashDatabaseConfig hConfig = new HashDatabaseConfig();
hConfig.Creation = CreatePolicy.ALWAYS;
primaryDB = HashDatabase.Open(dbFileName, hConfig);
fdb = HashDatabase.Open(fdbFileName, hConfig);
} else if (dbtype == DatabaseType.QUEUE) {
QueueDatabaseConfig qConfig = new QueueDatabaseConfig();
qConfig.Creation = CreatePolicy.ALWAYS;
qConfig.Length = 4;
primaryDB = QueueDatabase.Open(dbFileName, qConfig);
fdb = QueueDatabase.Open(fdbFileName, qConfig);
} else if (dbtype == DatabaseType.RECNO) {
RecnoDatabaseConfig rConfig = new RecnoDatabaseConfig();
rConfig.Creation = CreatePolicy.ALWAYS;
primaryDB = RecnoDatabase.Open(dbFileName, rConfig);
fdb = RecnoDatabase.Open(fdbFileName, rConfig);
} else {
throw new ArgumentException("Invalid DatabaseType");
}
// Open secondary database.
if (dbtype == DatabaseType.BTREE) {
SecondaryBTreeDatabaseConfig secbtConfig =
new SecondaryBTreeDatabaseConfig(primaryDB,
new SecondaryKeyGenDelegate(SecondaryKeyGen));
secbtConfig.Creation = CreatePolicy.ALWAYS;
secbtConfig.Duplicates = DuplicatesPolicy.SORTED;
if (action == ForeignKeyDeleteAction.NULLIFY)
secbtConfig.SetForeignKeyConstraint(fdb, action, new ForeignKeyNullifyDelegate(Nullify));
else
secbtConfig.SetForeignKeyConstraint(fdb, action);
secDB = SecondaryBTreeDatabase.Open(sdbFileName, secbtConfig);
} else if (dbtype == DatabaseType.HASH) {
SecondaryHashDatabaseConfig sechConfig =
new SecondaryHashDatabaseConfig(primaryDB,
new SecondaryKeyGenDelegate(SecondaryKeyGen));
sechConfig.Creation = CreatePolicy.ALWAYS;
sechConfig.Duplicates = DuplicatesPolicy.SORTED;
if (action == ForeignKeyDeleteAction.NULLIFY)
sechConfig.SetForeignKeyConstraint(fdb, action, new ForeignKeyNullifyDelegate(Nullify));
else
sechConfig.SetForeignKeyConstraint(fdb, action);
secDB = SecondaryHashDatabase.Open(sdbFileName, sechConfig);
} else if (dbtype == DatabaseType.QUEUE) {
SecondaryQueueDatabaseConfig secqConfig =
new SecondaryQueueDatabaseConfig(primaryDB,
new SecondaryKeyGenDelegate(SecondaryKeyGen));
secqConfig.Creation = CreatePolicy.ALWAYS;
secqConfig.Length = 4;
if (action == ForeignKeyDeleteAction.NULLIFY)
secqConfig.SetForeignKeyConstraint(fdb, action, new ForeignKeyNullifyDelegate(Nullify));
else
secqConfig.SetForeignKeyConstraint(fdb, action);
secDB = SecondaryQueueDatabase.Open(sdbFileName, secqConfig);
} else if (dbtype == DatabaseType.RECNO) {
SecondaryRecnoDatabaseConfig secrConfig =
new SecondaryRecnoDatabaseConfig(primaryDB,
new SecondaryKeyGenDelegate(SecondaryKeyGen));
secrConfig.Creation = CreatePolicy.ALWAYS;
if (action == ForeignKeyDeleteAction.NULLIFY)
secrConfig.SetForeignKeyConstraint(fdb, action, new ForeignKeyNullifyDelegate(Nullify));
else
secrConfig.SetForeignKeyConstraint(fdb, action);
secDB = SecondaryRecnoDatabase.Open(sdbFileName, secrConfig);
} else {
throw new ArgumentException("Invalid DatabaseType");
}
/* Use integer keys for Queue/Recno support. */
fdb.Put(new DatabaseEntry(BitConverter.GetBytes(100)),
new DatabaseEntry(BitConverter.GetBytes(1001)));
fdb.Put(new DatabaseEntry(BitConverter.GetBytes(200)),
new DatabaseEntry(BitConverter.GetBytes(2002)));
fdb.Put(new DatabaseEntry(BitConverter.GetBytes(300)),
new DatabaseEntry(BitConverter.GetBytes(3003)));
primaryDB.Put(new DatabaseEntry(BitConverter.GetBytes(1)),
new DatabaseEntry(BitConverter.GetBytes(100)));
primaryDB.Put(new DatabaseEntry(BitConverter.GetBytes(2)),
new DatabaseEntry(BitConverter.GetBytes(200)));
if (dbtype == DatabaseType.BTREE || dbtype == DatabaseType.HASH)
primaryDB.Put(new DatabaseEntry(BitConverter.GetBytes(3)),
new DatabaseEntry(BitConverter.GetBytes(100)));
try {
fdb.Delete(new DatabaseEntry(BitConverter.GetBytes(100)));
} catch (ForeignConflictException) {
Assert.AreEqual(action, ForeignKeyDeleteAction.ABORT);
}
if (action == ForeignKeyDeleteAction.ABORT) {
Assert.IsTrue(secDB.Exists(new DatabaseEntry(BitConverter.GetBytes(100))));
Assert.IsTrue(primaryDB.Exists(new DatabaseEntry(BitConverter.GetBytes(1))));
Assert.IsTrue(fdb.Exists(new DatabaseEntry(BitConverter.GetBytes(100))));
} else if (action == ForeignKeyDeleteAction.CASCADE) {
try {
Assert.IsFalse(secDB.Exists(new DatabaseEntry(BitConverter.GetBytes(100))));
} catch (KeyEmptyException) {
Assert.IsTrue(dbtype == DatabaseType.QUEUE || dbtype == DatabaseType.RECNO);
}
try {
Assert.IsFalse(primaryDB.Exists(new DatabaseEntry(BitConverter.GetBytes(1))));
} catch (KeyEmptyException) {
Assert.IsTrue(dbtype == DatabaseType.QUEUE || dbtype == DatabaseType.RECNO);
}
try {
Assert.IsFalse(fdb.Exists(new DatabaseEntry(BitConverter.GetBytes(100))));
} catch (KeyEmptyException) {
Assert.IsTrue(dbtype == DatabaseType.QUEUE || dbtype == DatabaseType.RECNO);
}
} else if (action == ForeignKeyDeleteAction.NULLIFY) {
try {
Assert.IsFalse(secDB.Exists(new DatabaseEntry(BitConverter.GetBytes(100))));
} catch (KeyEmptyException) {
Assert.IsTrue(dbtype == DatabaseType.QUEUE || dbtype == DatabaseType.RECNO);
}
Assert.IsTrue(primaryDB.Exists(new DatabaseEntry(BitConverter.GetBytes(1))));
try {
Assert.IsFalse(fdb.Exists(new DatabaseEntry(BitConverter.GetBytes(100))));
} catch (KeyEmptyException) {
Assert.IsTrue(dbtype == DatabaseType.QUEUE || dbtype == DatabaseType.RECNO);
}
}
// Close secondary database.
secDB.Close();
// Close primary database.
primaryDB.Close();
// Close foreign database
fdb.Close();
}
public void TestKeyEmptyException()
{
testName = "TestKeyEmptyException";
SetUpTest(true);
DatabaseEnvironmentConfig envConfig =
new DatabaseEnvironmentConfig();
envConfig.Create = true;
envConfig.UseLocking = true;
envConfig.UseLogging = true;
envConfig.UseMPool = true;
envConfig.UseTxns = true;
DatabaseEnvironment env = DatabaseEnvironment.Open(
testHome, envConfig);
QueueDatabase db;
try
{
Transaction openTxn = env.BeginTransaction();
try
{
QueueDatabaseConfig queueConfig =
new QueueDatabaseConfig();
queueConfig.Creation = CreatePolicy.IF_NEEDED;
queueConfig.Length = 10;
queueConfig.Env = env;
db = QueueDatabase.Open(testName + ".db",
queueConfig, openTxn);
openTxn.Commit();
}
catch (DatabaseException e)
{
openTxn.Abort();
throw e;
}
Transaction cursorTxn = env.BeginTransaction();
Cursor cursor;
try
{
/*
* Put a record into queue database with
* cursor and abort the operation.
*/
cursor = db.Cursor(cursorTxn);
KeyValuePair<DatabaseEntry, DatabaseEntry> pair;
pair = new KeyValuePair<DatabaseEntry, DatabaseEntry>(
new DatabaseEntry(BitConverter.GetBytes((int)10)),
new DatabaseEntry(ASCIIEncoding.ASCII.GetBytes("data")));
cursor.Add(pair);
cursor.Close();
cursorTxn.Abort();
}
catch (DatabaseException e)
{
cursorTxn.Abort();
db.Close();
throw e;
}
Transaction delTxn = env.BeginTransaction();
try
{
/*
* The put operation is aborted in the queue
* database so querying if the record still exists
* throws KeyEmptyException.
*/
db.Exists(new DatabaseEntry(
BitConverter.GetBytes((int)10)), delTxn);
delTxn.Commit();
}
catch (DatabaseException e)
{
delTxn.Abort();
throw e;
}
finally
{
db.Close();
}
}
catch (KeyEmptyException)
{
throw new ExpectedTestException();
}
finally
{
env.Close();
}
}
public void TestDeleteMultiple()
{
testName = "TestDeleteMultiple";
SetUpTest(true);
QueueDatabaseConfig dbConfig = new QueueDatabaseConfig();
dbConfig.Creation = CreatePolicy.IF_NEEDED;
dbConfig.ExtentSize = 1024;
dbConfig.Length = 270;
QueueDatabase db = QueueDatabase.Open(testHome + "/" +
testName + ".db", dbConfig);
List<uint> rList = new List<uint>();
List<DatabaseEntry> kList = new List<DatabaseEntry>();
List<DatabaseEntry> vList = new List<DatabaseEntry>();
DatabaseEntry key, data;
for (uint i = 1; i <= 100; i++) {
key = new DatabaseEntry(BitConverter.GetBytes(i));
data = new DatabaseEntry(
ASCIIEncoding.ASCII.GetBytes(
"data" + i.ToString() +
Configuration.RandomString(256)));
rList.Add(i);
kList.Add(key);
vList.Add(data);
db.Put(key, data);
}
// Bulk delete all records with recno in rList.
db.Delete(new MultipleDatabaseEntry(rList));
Cursor cursor = db.Cursor();
Assert.IsFalse(cursor.MoveFirst());
/*
* Bulk insert records whose key bulk buffer is
* constructed by recno lists, then delete all.
*/
db.Put(new MultipleDatabaseEntry(rList),
new MultipleDatabaseEntry(vList, false));
Assert.IsTrue(cursor.MoveFirst());
db.Delete(new MultipleDatabaseEntry(kList, true));
Assert.IsFalse(cursor.MoveFirst());
/*
* Bulk insert records whose key bulk buffer is
* constructed by DatabaseEntry lists, then delete all.
*/
db.Put(new MultipleDatabaseEntry(kList, true),
new MultipleDatabaseEntry(vList, false));
Assert.IsTrue(cursor.MoveFirst());
db.Delete(new MultipleDatabaseEntry(kList, true));
Assert.IsFalse(cursor.MoveFirst());
cursor.Close();
db.Close();
}
/// <summary>
/// Instantiate a new QueueDatabase object and open the database
/// represented by <paramref name="Filename"/>.
/// </summary>
/// <remarks>
/// <para>
/// If <paramref name="Filename"/> is null, the database is strictly
/// temporary and cannot be opened by any other thread of control, thus
/// the database can only be accessed by sharing the single database
/// object that created it, in circumstances where doing so is safe.
/// </para>
/// <para>
/// If <paramref name="txn"/> is null, but
/// <see cref="DatabaseConfig.AutoCommit"/> is set, the operation will
/// be implicitly transaction protected. Note that transactionally
/// protected operations on a datbase object requires the object itself
/// be transactionally protected during its open. Also note that the
/// transaction must be committed before the object is closed.
/// </para>
/// </remarks>
/// <param name="Filename">
/// The name of an underlying file that will be used to back the
/// database. In-memory databases never intended to be preserved on disk
/// may be created by setting this parameter to null.
/// </param>
/// <param name="cfg">The database's configuration</param>
/// <param name="txn">
/// If the operation is part of an application-specified transaction,
/// <paramref name="txn"/> is a Transaction object returned from
/// <see cref="DatabaseEnvironment.BeginTransaction"/>; if
/// the operation is part of a Berkeley DB Concurrent Data Store group,
/// <paramref name="txn"/> is a handle returned from
/// <see cref="DatabaseEnvironment.BeginCDSGroup"/>; otherwise null.
/// </param>
/// <returns>A new, open database object</returns>
public static QueueDatabase Open(
string Filename, QueueDatabaseConfig cfg, Transaction txn)
{
QueueDatabase ret = new QueueDatabase(cfg.Env, 0);
ret.Config(cfg);
ret.db.open(Transaction.getDB_TXN(txn),
Filename, null, DBTYPE.DB_QUEUE, cfg.openFlags, 0);
ret.isOpen = true;
return ret;
}
private void DeleteMultipleAndMultipleKey(string dbFileName,
string dbName, DatabaseType type, bool mulKey)
{
List<DatabaseEntry> kList = new List<DatabaseEntry>();
List<uint> rList = new List<uint>();
List<KeyValuePair<DatabaseEntry, DatabaseEntry>> pList =
new List<KeyValuePair<DatabaseEntry, DatabaseEntry>>();
DatabaseEntry key;
Database db;
SecondaryDatabase secDb;
Configuration.ClearDir(testHome);
if (type == DatabaseType.BTREE) {
BTreeDatabaseConfig dbConfig =
new BTreeDatabaseConfig();
dbConfig.Creation = CreatePolicy.IF_NEEDED;
db = BTreeDatabase.Open(
dbFileName, dbName, dbConfig);
SecondaryBTreeDatabaseConfig secDbConfig =
new SecondaryBTreeDatabaseConfig(db, null);
secDbConfig.Creation = CreatePolicy.IF_NEEDED;
secDbConfig.Duplicates = DuplicatesPolicy.SORTED;
secDbConfig.KeyGen =
new SecondaryKeyGenDelegate(SecondaryKeyGen);
secDb = SecondaryBTreeDatabase.Open(
dbFileName, dbName + "_sec", secDbConfig);
} else if (type == DatabaseType.HASH) {
HashDatabaseConfig dbConfig =
new HashDatabaseConfig();
dbConfig.Creation = CreatePolicy.IF_NEEDED;
db = HashDatabase.Open(
dbFileName, dbName, dbConfig);
SecondaryHashDatabaseConfig secDbConfig =
new SecondaryHashDatabaseConfig(db, null);
secDbConfig.Creation = CreatePolicy.IF_NEEDED;
secDbConfig.Duplicates = DuplicatesPolicy.SORTED;
secDbConfig.KeyGen =
new SecondaryKeyGenDelegate(SecondaryKeyGen);
secDb = SecondaryHashDatabase.Open(
dbFileName, dbName + "_sec", secDbConfig);
} else if (type == DatabaseType.QUEUE) {
QueueDatabaseConfig dbConfig =
new QueueDatabaseConfig();
dbConfig.Creation = CreatePolicy.IF_NEEDED;
dbConfig.Length = 4;
db = QueueDatabase.Open(dbFileName, dbConfig);
SecondaryQueueDatabaseConfig secDbConfig =
new SecondaryQueueDatabaseConfig(db, null);
secDbConfig.Creation = CreatePolicy.IF_NEEDED;
secDbConfig.Length = 4;
secDbConfig.KeyGen =
new SecondaryKeyGenDelegate(SecondaryKeyGen);
secDb = SecondaryQueueDatabase.Open(
dbFileName + "_sec", secDbConfig);
} else if (type == DatabaseType.RECNO) {
RecnoDatabaseConfig dbConfig =
new RecnoDatabaseConfig();
dbConfig.Creation = CreatePolicy.IF_NEEDED;
db = RecnoDatabase.Open(
dbFileName, dbName, dbConfig);
SecondaryRecnoDatabaseConfig secDbConfig =
new SecondaryRecnoDatabaseConfig(db, null);
secDbConfig.Creation = CreatePolicy.IF_NEEDED;
secDbConfig.KeyGen =
new SecondaryKeyGenDelegate(SecondaryKeyGen);
secDb = SecondaryRecnoDatabase.Open(
dbFileName, dbName + "_sec", secDbConfig);
} else
throw new TestException();
for (uint i = 1; i <= 100; i++) {
key = new DatabaseEntry(
BitConverter.GetBytes(i));
if (i >= 50 && i < 60)
kList.Add(key);
else if (i > 80)
pList.Add(new KeyValuePair<
DatabaseEntry, DatabaseEntry>(
key, key));
else if (type == DatabaseType.QUEUE
|| type == DatabaseType.RECNO)
rList.Add(i);
db.Put(key, key);
}
if (mulKey) {
// Create bulk buffer for key/value pairs.
MultipleKeyDatabaseEntry pBuff;
if (type == DatabaseType.BTREE)
pBuff = new MultipleKeyDatabaseEntry(
pList, false);
else if (type == DatabaseType.HASH)
pBuff = new MultipleKeyDatabaseEntry(
pList, false);
else if (type == DatabaseType.QUEUE)
pBuff = new MultipleKeyDatabaseEntry(
pList, true);
else
pBuff = new MultipleKeyDatabaseEntry(
pList, true);
// Bulk delete with the key/value pair bulk buffer.
secDb.Delete(pBuff);
foreach (KeyValuePair<DatabaseEntry,
DatabaseEntry>pair in pList) {
try {
db.GetBoth(pair.Key, pair.Value);
throw new TestException();
} catch (NotFoundException e1) {
if (type == DatabaseType.QUEUE)
throw e1;
} catch (KeyEmptyException e2) {
if (type == DatabaseType.BTREE ||
type == DatabaseType.HASH ||
type == DatabaseType.RECNO)
throw e2;
}
}
/*
* Dump the database to verify that 80 records
* remain after bulk delete.
*/
Assert.AreEqual(80, db.Truncate());
} else {
// Create bulk buffer for key.
MultipleDatabaseEntry kBuff;
if (type == DatabaseType.BTREE)
kBuff = new MultipleDatabaseEntry(
kList, false);
else if (type == DatabaseType.HASH)
kBuff = new MultipleDatabaseEntry(
kList, false);
else if (type == DatabaseType.QUEUE)
kBuff = new MultipleDatabaseEntry(
kList, true);
else
kBuff = new MultipleDatabaseEntry(
kList, true);
/*
* Bulk delete in secondary database with key
* buffer. Primary records that the deleted
* records in secondar database should be
* deleted as well.
*/
secDb.Delete(kBuff);
foreach (DatabaseEntry dbt in kList) {
try {
db.Get(dbt);
throw new TestException();
} catch (NotFoundException e1) {
if (type == DatabaseType.QUEUE ||
type == DatabaseType.RECNO)
throw e1;
} catch (KeyEmptyException e2) {
if (type == DatabaseType.BTREE ||
type == DatabaseType.HASH)
throw e2;
}
}
/*
* Bulk delete in secondary database with recno
* based key buffer.
*/
if (type == DatabaseType.QUEUE ||
type == DatabaseType.RECNO) {
MultipleDatabaseEntry rBuff =
new MultipleDatabaseEntry(rList);
secDb.Delete(rBuff);
Assert.AreEqual(20, db.Truncate());
}
}
secDb.Close();
db.Close();
}
public void TestDeleteMultipleKey()
{
testName = "TestDeleteMultipleKey";
SetUpTest(true);
QueueDatabaseConfig dbConfig = new QueueDatabaseConfig();
dbConfig.Creation = CreatePolicy.IF_NEEDED;
dbConfig.ExtentSize = 1024;
dbConfig.Length = 520;
QueueDatabase db = QueueDatabase.Open(testHome + "/" +
testName + ".db", dbConfig);
List<KeyValuePair<DatabaseEntry, DatabaseEntry>> pList =
new List<KeyValuePair<DatabaseEntry, DatabaseEntry>>();
DatabaseEntry key, data;
for (uint i = 1; i <= 100; i++)
{
key = new DatabaseEntry(
BitConverter.GetBytes(i));
data = new DatabaseEntry(
ASCIIEncoding.ASCII.GetBytes(
"data" + i.ToString() +
Configuration.RandomString(512)));
pList.Add(new KeyValuePair<
DatabaseEntry, DatabaseEntry>(key, data));
db.Put(key, data);
}
// Create key/value pair bulk buffer and delete all.
db.Delete(new MultipleKeyDatabaseEntry(pList, true));
// Verify that the database is empty.
Assert.AreEqual(0, db.Truncate());
db.Close();
}