/// <summary>
/// Create a new BTreeDatabaseConfig object
/// </summary>
public BTreeDatabaseConfig()
{
Duplicates = DuplicatesPolicy.NONE;
NoReverseSplitting = false;
UseRecordNumbers = false;
BTreeCompare = null;
BTreePrefixCompare = null;
minkeysIsSet = false;
Creation = CreatePolicy.NEVER;
}
public void TestPrefixCompare()
{
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.Compare =
new EntryComparisonDelegate(
SecondaryEntryComparison);
secBtreeDBConfig.PrefixCompare =
new EntryPrefixComparisonDelegate(
SecondaryPrefixEntryComparison);
secBtreeDBConfig.KeyGen =
new SecondaryKeyGenDelegate(
SecondaryKeyGen);
SecondaryBTreeDatabase secDB =
SecondaryBTreeDatabase.Open(
dbFileName, secBtreeDBConfig);
/*
* Get the prefix compare function set in the
* configuration and run it in a comparison to
* see if it is alright.
*/
EntryPrefixComparisonDelegate cmp =
secDB.PrefixCompare;
DatabaseEntry dbt1, dbt2;
dbt1 = new DatabaseEntry(
BitConverter.GetBytes((Int32)1));
dbt2 = new DatabaseEntry(
BitConverter.GetBytes((Int64)4294967297));
Assert.AreEqual(5, cmp(dbt1, dbt2));
secDB.Close();
btreeDB.Close();
}
/// <summary>
/// Create a new SecondaryBTreeDatabaseConfig object
/// </summary>
public SecondaryBTreeDatabaseConfig(
Database PrimaryDB, SecondaryKeyGenDelegate KeyGenFunc)
: base(PrimaryDB, KeyGenFunc)
{
Duplicates = DuplicatesPolicy.NONE;
NoReverseSplitting = false;
UseRecordNumbers = false;
Compare = null;
PrefixCompare = null;
minkeysIsSet = false;
DbType = DatabaseType.BTREE;
}
/// <summary>
/// Create a new BTreeDatabaseConfig object
/// </summary>
public BTreeDatabaseConfig()
{
Duplicates = DuplicatesPolicy.NONE;
NoReverseSplitting = false;
UseRecordNumbers = false;
BTreeCompare = null;
BTreePrefixCompare = null;
minkeysIsSet = false;
Creation = CreatePolicy.NEVER;
}
/// <summary>
/// Create a new SecondaryBTreeDatabaseConfig object
/// </summary>
public SecondaryBTreeDatabaseConfig(
Database PrimaryDB, SecondaryKeyGenDelegate KeyGenFunc)
: base(PrimaryDB, KeyGenFunc) {
Duplicates = DuplicatesPolicy.NONE;
NoReverseSplitting = false;
UseRecordNumbers = false;
Compare = null;
PrefixCompare = null;
minkeysIsSet = false;
DbType = DatabaseType.BTREE;
}
