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382 lines
10 KiB
C#
382 lines
10 KiB
C#
/*-
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* See the file LICENSE for redistribution information.
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*
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* Copyright (c) 2009, 2011 Oracle and/or its affiliates. All rights reserved.
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*
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*/
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.IO;
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using System.Text;
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using System.Threading;
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using System.Xml;
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using NUnit.Framework;
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using BerkeleyDB;
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namespace CsharpAPITest
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{
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[TestFixture]
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public class SecondaryHashDatabaseTest : CSharpTestFixture
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{
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[TestFixtureSetUp]
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public void SetUpTestFixture()
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{
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testFixtureName = "SecondaryHashDatabaseTest";
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base.SetUpTestfixture();
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}
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[Test]
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public void TestHashFunction()
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{
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testName = "TestHashFunction";
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SetUpTest(true);
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string dbFileName = testHome + "/" + testName + ".db";
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string dbSecFileName = testHome + "/" +
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testName + "_sec.db";
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// Open a primary hash database.
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HashDatabaseConfig dbConfig =
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new HashDatabaseConfig();
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dbConfig.Creation = CreatePolicy.IF_NEEDED;
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HashDatabase hashDB = HashDatabase.Open(
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dbFileName, dbConfig);
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/*
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* Define hash function and open a secondary
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* hash database.
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*/
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SecondaryHashDatabaseConfig secDBConfig =
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new SecondaryHashDatabaseConfig(hashDB, null);
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secDBConfig.HashFunction =
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new HashFunctionDelegate(HashFunction);
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secDBConfig.Creation = CreatePolicy.IF_NEEDED;
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SecondaryHashDatabase secDB =
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SecondaryHashDatabase.Open(dbSecFileName,
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secDBConfig);
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/*
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* Confirm the hash function defined in the configuration.
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* Call the hash function and the one from secondary
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* database. If they return the same value, then the hash
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* function is configured successfully.
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*/
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uint data = secDB.HashFunction(BitConverter.GetBytes(1));
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Assert.AreEqual(0, data);
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// Close all.
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secDB.Close();
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hashDB.Close();
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}
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public uint HashFunction(byte[] data)
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{
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data[0] = 0;
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return BitConverter.ToUInt32(data, 0);
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}
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[Test]
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public void TestCompare()
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{
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testName = "TestCompare";
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SetUpTest(true);
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string dbFileName = testHome + "/" + testName + ".db";
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string dbSecFileName = testHome + "/" + testName +
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"_sec.db";
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// Open a primary hash database.
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HashDatabaseConfig dbConfig =
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new HashDatabaseConfig();
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dbConfig.Creation = CreatePolicy.ALWAYS;
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HashDatabase db = HashDatabase.Open(
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dbFileName, dbConfig);
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// Open a secondary hash database.
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SecondaryHashDatabaseConfig secConfig =
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new SecondaryHashDatabaseConfig(null, null);
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secConfig.Creation = CreatePolicy.IF_NEEDED;
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secConfig.Primary = db;
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secConfig.Compare =
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new EntryComparisonDelegate(SecondaryEntryComparison);
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SecondaryHashDatabase secDB =
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SecondaryHashDatabase.Open(dbSecFileName, secConfig);
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/*
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* Get the compare function set in the configuration
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* and run it in a comparison to see if it is alright.
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*/
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DatabaseEntry dbt1, dbt2;
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dbt1 = new DatabaseEntry(
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BitConverter.GetBytes((int)257));
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dbt2 = new DatabaseEntry(
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BitConverter.GetBytes((int)255));
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Assert.Less(0, secDB.Compare(dbt1, dbt2));
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secDB.Close();
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db.Close();
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}
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[Test]
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public void TestDuplicates()
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{
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testName = "TestDuplicates";
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SetUpTest(true);
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string dbFileName = testHome + "/" + testName + ".db";
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string dbSecFileName = testHome + "/" + testName
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+ "_sec.db";
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// Open a primary hash database.
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HashDatabaseConfig dbConfig =
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new HashDatabaseConfig();
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dbConfig.Creation = CreatePolicy.ALWAYS;
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HashDatabase db = HashDatabase.Open(
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dbFileName, dbConfig);
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// Open a secondary hash database.
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SecondaryHashDatabaseConfig secConfig =
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new SecondaryHashDatabaseConfig(null, null);
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secConfig.Primary = db;
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secConfig.Duplicates = DuplicatesPolicy.SORTED;
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secConfig.Creation = CreatePolicy.IF_NEEDED;
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SecondaryHashDatabase secDB =
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SecondaryHashDatabase.Open(
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dbSecFileName, secConfig);
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// Confirm the duplicate in opened secondary database.
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Assert.AreEqual(DuplicatesPolicy.SORTED,
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secDB.Duplicates);
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secDB.Close();
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db.Close();
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}
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/*
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* Tests to all Open() share the same configuration in
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* AllTestData.xml.
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*/
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[Test]
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public void TestOpen()
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{
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testName = "TestOpen";
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SetUpTest(true);
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string dbFileName = testHome + "/" + testName + ".db";
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string dbSecFileName = testHome + "/" +
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testName + "_sec.db";
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OpenSecHashDB(testFixtureName, "TestOpen",
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dbFileName, dbSecFileName, false);
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}
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[Test]
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public void TestOpenWithDBName()
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{
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testName = "TestOpenWithDBName";
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SetUpTest(true);
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string dbFileName = testHome + "/" + testName + ".db";
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string dbSecFileName = testHome + "/" +
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testName + "_sec.db";
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OpenSecHashDB(testFixtureName, "TestOpen",
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dbFileName, dbSecFileName, true);
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}
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public void OpenSecHashDB(string className,
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string funName, string dbFileName, string dbSecFileName,
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bool ifDBName)
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{
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XmlElement xmlElem = Configuration.TestSetUp(
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className, funName);
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// Open a primary recno database.
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HashDatabaseConfig primaryDBConfig =
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new HashDatabaseConfig();
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primaryDBConfig.Creation = CreatePolicy.IF_NEEDED;
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HashDatabase primaryDB;
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/*
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* If secondary database name is given, the primary
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* database is also opened with database name.
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*/
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if (ifDBName == false)
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primaryDB = HashDatabase.Open(dbFileName,
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primaryDBConfig);
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else
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primaryDB = HashDatabase.Open(dbFileName,
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"primary", primaryDBConfig);
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try
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{
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// Open a new secondary database.
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SecondaryHashDatabaseConfig secHashDBConfig =
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new SecondaryHashDatabaseConfig(
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primaryDB, null);
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SecondaryHashDatabaseConfigTest.Config(
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xmlElem, ref secHashDBConfig, false);
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secHashDBConfig.Creation =
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CreatePolicy.IF_NEEDED;
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SecondaryHashDatabase secHashDB;
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if (ifDBName == false)
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secHashDB = SecondaryHashDatabase.Open(
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dbSecFileName, secHashDBConfig);
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else
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secHashDB = SecondaryHashDatabase.Open(
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dbSecFileName, "secondary",
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secHashDBConfig);
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// Close the secondary database.
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secHashDB.Close();
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// Open the existing secondary database.
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SecondaryDatabaseConfig secDBConfig =
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new SecondaryDatabaseConfig(
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primaryDB, null);
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SecondaryDatabase secDB;
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if (ifDBName == false)
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secDB = SecondaryHashDatabase.Open(
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dbSecFileName, secDBConfig);
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else
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secDB = SecondaryHashDatabase.Open(
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dbSecFileName, "secondary", secDBConfig);
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// Close secondary database.
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secDB.Close();
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}
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catch (DatabaseException)
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{
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throw new TestException();
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}
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finally
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{
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// Close primary database.
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primaryDB.Close();
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}
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}
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[Test]
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public void TestOpenWithinTxn()
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{
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testName = "TestOpenWithinTxn";
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SetUpTest(true);
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string dbFileName = testName + ".db";
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string dbSecFileName = testName + "_sec.db";
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OpenSecHashDBWithinTxn(testFixtureName,
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"TestOpen", testHome, dbFileName,
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dbSecFileName, false);
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}
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[Test]
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public void TestOpenDBNameWithinTxn()
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{
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testName = "TestOpenDBNameWithinTxn";
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SetUpTest(true);
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string dbFileName = testName + ".db";
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string dbSecFileName = testName + "_sec.db";
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OpenSecHashDBWithinTxn(testFixtureName,
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"TestOpen", testHome, dbFileName,
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dbSecFileName, true);
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}
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public void OpenSecHashDBWithinTxn(string className,
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string funName, string home, string dbFileName,
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string dbSecFileName, bool ifDbName)
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{
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XmlElement xmlElem = Configuration.TestSetUp(
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className, funName);
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// Open an environment.
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DatabaseEnvironmentConfig envConfig =
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new DatabaseEnvironmentConfig();
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envConfig.Create = true;
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envConfig.UseTxns = true;
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envConfig.UseMPool = true;
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envConfig.UseLogging = true;
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DatabaseEnvironment env = DatabaseEnvironment.Open(
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home, envConfig);
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// Open a primary hash database.
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Transaction openDBTxn = env.BeginTransaction();
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HashDatabaseConfig dbConfig =
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new HashDatabaseConfig();
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dbConfig.Creation = CreatePolicy.IF_NEEDED;
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dbConfig.Env = env;
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HashDatabase db = HashDatabase.Open(
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dbFileName, dbConfig, openDBTxn);
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openDBTxn.Commit();
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// Open a secondary hash database.
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Transaction openSecTxn = env.BeginTransaction();
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SecondaryHashDatabaseConfig secDBConfig =
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new SecondaryHashDatabaseConfig(db,
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new SecondaryKeyGenDelegate(SecondaryKeyGen));
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SecondaryHashDatabaseConfigTest.Config(xmlElem,
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ref secDBConfig, false);
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secDBConfig.HashFunction = null;
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secDBConfig.Env = env;
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SecondaryHashDatabase secDB;
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if (ifDbName == false)
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secDB = SecondaryHashDatabase.Open(
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dbSecFileName, secDBConfig, openSecTxn);
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else
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secDB = SecondaryHashDatabase.Open(
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dbSecFileName, "secondary", secDBConfig,
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openSecTxn);
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openSecTxn.Commit();
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// Confirm its flags configured in secDBConfig.
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Confirm(xmlElem, secDB, true);
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secDB.Close();
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// Open the existing secondary database.
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Transaction secTxn = env.BeginTransaction();
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SecondaryDatabaseConfig secConfig =
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new SecondaryDatabaseConfig(db,
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new SecondaryKeyGenDelegate(SecondaryKeyGen));
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secConfig.Env = env;
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SecondaryDatabase secExDB;
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if (ifDbName == false)
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secExDB = SecondaryHashDatabase.Open(
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dbSecFileName, secConfig, secTxn);
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else
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secExDB = SecondaryHashDatabase.Open(
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dbSecFileName, "secondary", secConfig,
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secTxn);
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secExDB.Close();
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secTxn.Commit();
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db.Close();
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env.Close();
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}
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public DatabaseEntry SecondaryKeyGen(
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DatabaseEntry key, DatabaseEntry data)
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{
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DatabaseEntry dbtGen;
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dbtGen = new DatabaseEntry(data.Data);
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return dbtGen;
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}
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public int SecondaryEntryComparison(
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DatabaseEntry dbt1, DatabaseEntry dbt2)
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{
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int a, b;
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a = BitConverter.ToInt32(dbt1.Data, 0);
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b = BitConverter.ToInt32(dbt2.Data, 0);
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return a - b;
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}
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public static void Confirm(XmlElement xmlElem,
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SecondaryHashDatabase secDB, bool compulsory)
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{
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Configuration.ConfirmUint(xmlElem, "FillFactor",
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secDB.FillFactor, compulsory);
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Configuration.ConfirmUint(xmlElem, "NumElements",
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secDB.TableSize, compulsory);
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}
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}
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}
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