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// -----------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
// -----------------------------------------------------------------------
using System;
using System.Collections.Generic;
using System.ComponentModel.Composition;
using System.Linq;
using System.ComponentModel.Composition.Factories;
using System.ComponentModel.Composition.Primitives;
namespace System.ComponentModel.Composition
{
internal class ConcreteComposablePart : ComposablePart, IDisposable
{
private readonly List<Export> _exports = new List<Export>();
private readonly List<ImportDefinition> _imports = new List<ImportDefinition>();
private readonly IDictionary<string, IEnumerable<Export>> _setImports = new Dictionary<string, IEnumerable<Export>>();
public ConcreteComposablePart()
{
}
public override IDictionary<string, object> Metadata
{
get { return MetadataServices.EmptyMetadata; }
}
public IDictionary<string, IEnumerable<Export>> SetImports
{
get { return this._setImports; }
}
public override IEnumerable<ExportDefinition> ExportDefinitions
{
get { return this._exports.Select(export => export.Definition); }
}
public override IEnumerable<ImportDefinition> ImportDefinitions
{
get { return this._imports; }
}
public ImportDefinition AddImport(string contractName, ImportCardinality cardinality, bool isRecomposable, bool isPrerequisite)
{
var import = ImportDefinitionFactory.CreateDefault(contractName, cardinality, isRecomposable, isPrerequisite);
this.AddImport(import);
return import;
}
public void AddImport(ImportDefinition import)
{
this._imports.Add(import);
}
public void AddExport(string contractName, object value)
{
this.AddExport(ExportFactory.Create(contractName, () => value));
}
public void AddExport(Export export)
{
this._exports.Add(export);
}
public override object GetExportedValue(ExportDefinition definition)
{
Export export = _exports.First(e => e.Definition == definition);
return export.Value;
}
public override void SetImport(ImportDefinition definition, IEnumerable<Export> exports)
{
ContractBasedImportDefinition contractBasedDefinition = (ContractBasedImportDefinition)definition;
this._setImports[contractBasedDefinition.ContractName] = exports;
foreach (Export export in exports)
{
var value = export.Value;
}
}
void IDisposable.Dispose()
{
foreach (var disposable in _exports.Select(export => export.Value).OfType<IDisposable>())
{
disposable.Dispose();
}
}
}
}
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