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- () .- Factory Method- Abstract Factory- Builder FactoryMethod AbstractFactory . - Factory MethodFactory Method( or Factory) Pattern 1 (new) . 2 .

. - Factory MethodStarCraft : http://ko.wikipedia.org/wiki/%EC%8A%A4%ED%83%80%ED%81%AC%EB%9E%98%ED%94%84%ED%8A%B8%EC%9D%98_%EC%A2%85%EC%A1%B1

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drone = new ();drone.doWork();drone = new ();drone.doWork();

prove = new ();prove.doWork();

scv = new ();scv.doWork();

- Factory Method2 .

. unit = new ();unit.doWork();

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>> . - Factory Method .Class AllUnitFactory(){ Create(UnitType unitType) { if(unitType == )return new (); if(unitType == )return new (); if(unitType == )return new (); }} 1,2 . - Factory Method .

+ Create(UnitType type) UnitType - Factory Method enum UnitType = {,,,,};void main(){ factory = new ();// unit = factory.Create(); unit .doWork();unit = factory.Create();unit = factory.Create(); unit = factory.Create(); // unit = factory.Create(); } . >> . - Factory Method

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- Factory Method.Define an interface for creating an object, but let subclasses decide which class to instantiate. Factory Method lets a class defer instantiation to subclasses.

. factorMethod() .

) unitFactoy = new (); groundUnit1= unitFactoy.Create(); skyUnit1= unitFactoy.Create();

) unitFactoy = new (); unit1 = unitFactoy.Create(); unit2 = unitFactoy.Create();

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- Factory Method.

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- Abstract Factory

- Abstract Factory - UnitType , ( .)

// Create(UnitType unitType){if(unitType == )return new (); // if(unitType == )return new ();}

// Create(UnitType unitType){if(unitType == )return new ();}

Abstract Factory

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- Abstract Factory public sealed class SqlClientFactory : DbProviderFactory{// Fieldspublic static readonly SqlClientFactory Instance;

// Methodsstatic SqlClientFactory();private SqlClientFactory();public override DbCommand CreateCommand();public override DbCommandBuilder CreateCommandBuilder();public override DbConnection CreateConnection();public override DbConnectionStringBuilder CreateConnectionStringBuilder();public override DbDataAdapter CreateDataAdapter();public override DbDataSourceEnumerator CreateDataSourceEnumerator();public override DbParameter CreateParameter();public override CodeAccessPermission CreatePermission(PermissionState state);

// Propertiespublic override bool CanCreateDataSourceEnumerator { get; }}

// CreateCommand SqlCommand .. public override DbCommand CreateCommand(){return new SqlCommand();}

- Abstract Factory

DbProviderFactory dbProviderFactory;DataTable tblFactoryClass = DbProviderFactories.GetFactoryClasses(); ConnectionStringSettings dbConnectionSettings;

dbConnectionSettings = ConfigurationManager.ConnectionStrings[tblFactoryClass.Rows[iProvider][0].ToString()];dbProviderFactory = DbProviderFactories.GetFactory(tblFactoryClass.Rows[iProvider]); // 3 SqlServer

DbCommand dbCommand = dbProviderFactory.CreateCommand();DbConnection dbConnection = null; DbParameter dbParameter1 = dbProviderFactory.CreateParameter();dbParameter1.ParameterName = "@PAGE";dbParameter1.DbType = DbType.Int32;dbParameter1.Size = 4;dbParameter1.Value = NowPage;dbCommand.Parameters.Add(dbParameter1); DbParameter dbParameter2 = dbProviderFactory.CreateParameter();dbParameter2.ParameterName = "@PAGE_SIZE";dbParameter2.DbType = DbType.Int32;dbParameter2.Size = 4;dbParameter2.Value = PageSize; dbCommand.Parameters.Add(dbParameter2);dbCommand.CommandText = "BoardPagingSelect";dbCommand.CommandType = CommandType.StoredProcedure; //default

DataTable tblResult = new DataTable();using (TransactionScope transactionScope = new TransactionScope()) //default TransactionScope{dbConnection = dbProviderFactory.CreateConnection();dbConnection.ConnectionString = dbConnectionSettings.ConnectionString;dbConnection.Open(); dbCommand.Connection = dbConnection;dbCommand.CommandType = CommandType.StoredProcedure;dbCommand.CommandText = "BoardPagingSelect";dbCommand.CommandTimeout = dbHelper.IntTimeout; if (dbHelper.IsPrepare)dbCommand.Prepare(); DbDataAdapter dbHelperAdapter = dbProviderFactory.CreateDataAdapter();dbHelperAdapter.SelectCommand = dbCommand;dbHelperAdapter.Fill(tblResult);

if (dbConnection.State != ConnectionState.Closed)dbConnection.Close(); BoardDataList.DataSource = tblResult;BoardDataList.DataBind();}

- Builder .()Direct

CreateCreate GetResult(); // GetResult Direct . - Builder

Builder Factory Method - Builder