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using System;
using System.Collections.Generic;
using Microsoft.Practices.ObjectBuilder;
namespace ObjectBuilderDemo
{
public class DependencyContainer : IDisposable
{
private IBuilder<BuilderStage> _builder;
private Locator _locator;
private LifetimeContainer _container;
public DependencyContainer()
: this(null)
{
}
public DependencyContainer(string xml)
{
_builder = CreateBuilder(xml == null ? null : new BuilderXmlConfig(xml));
_locator = new Locator();
_container = new LifetimeContainer();
_locator.Add(typeof(ILifetimeContainer), _container);
}
private IBuilder<BuilderStage> CreateBuilder(IBuilderConfigurator<BuilderStage> configurator)
{
IBuilder<BuilderStage> result = new BuilderBase<BuilderStage>();
result.Strategies.AddNew<TypeMappingStrategy>(BuilderStage.PreCreation);
result.Strategies.AddNew<SingletonStrategy>(BuilderStage.PreCreation);
result.Strategies.AddNew<ConstructorReflectionStrategy>(BuilderStage.PreCreation);
result.Strategies.AddNew<PropertyReflectionStrategy>(BuilderStage.PreCreation);
result.Strategies.AddNew<MethodReflectionStrategy>(BuilderStage.PreCreation);
result.Strategies.AddNew<CreationStrategy>(BuilderStage.Creation);
result.Strategies.AddNew<PropertySetterStrategy>(BuilderStage.Initialization);
result.Strategies.AddNew<MethodExecutionStrategy>(BuilderStage.Initialization);
result.Strategies.AddNew<BuilderAwareStrategy>(BuilderStage.PostInitialization);
result.Policies.SetDefault<ICreationPolicy>(new DefaultCreationPolicy());
if (configurator != null)
configurator.ApplyConfiguration(result);
return result;
}
public TBuild Get<TBuild>()
{
return _builder.BuildUp<TBuild>(_locator, null, null);
}
public void RegisterSingleton<TBuild>()
{
_builder.Policies.Set<ISingletonPolicy>(new SingletonPolicy(true), typeof(TBuild), null);
}
public void RegisterTypeMapping<TRequested, TToBuild>()
{
_builder.Policies.Set<ITypeMappingPolicy>(new TypeMappingPolicy(typeof(TToBuild), null), typeof(TRequested), null);
}
public void Dispose()
{
List<object> items = new List<object>();
items.AddRange(_container);
foreach (object item in items)
_builder.TearDown(_locator, item);
_container.Dispose();
_container = null;
_locator = null;
_builder = null;
}
}
}
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I work as a systems analyst for a large financial services organization. I have experience in a broad range of technologies but specialize in C#, VB, ASP, and Oracle PL/SQL and Java development.