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Copy pathComplexInstanceGraph.cs
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100 lines (85 loc) · 3.14 KB
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using System;
using System.Collections.Generic;
using System.Linq;
using StructureMap.Graph;
using StructureMap.Pipeline;
namespace StructureMap
{
public class ComplexInstanceGraph : IInstanceGraph
{
private readonly IPipelineGraph _parent;
private readonly PluginGraph _pluginGraph;
public ComplexInstanceGraph(IPipelineGraph parent, PluginGraph pluginGraph, ContainerRole role)
{
_parent = parent;
_pluginGraph = pluginGraph;
Role = role;
}
public Instance GetDefault(Type pluginType)
{
return _pluginGraph.HasDefaultForPluginType(pluginType)
? _pluginGraph.Families[pluginType].GetDefaultInstance()
: _parent.Instances.GetDefault(pluginType);
}
public bool HasDefaultForPluginType(Type pluginType)
{
return _pluginGraph.HasDefaultForPluginType(pluginType) ||
_parent.Instances.HasDefaultForPluginType(pluginType);
}
public bool HasInstance(Type pluginType, string instanceKey)
{
return _pluginGraph.HasInstance(pluginType, instanceKey) ||
_parent.Instances.HasInstance(pluginType, instanceKey);
}
public void EachInstance(Action<Type, Instance> action)
{
_pluginGraph.EachInstance(action);
_parent.Instances.EachInstance(action);
}
public IEnumerable<Instance> GetAllInstances()
{
return _pluginGraph.Families.ToArray().SelectMany(x => x.Instances).Union(_parent.Instances.GetAllInstances());
}
public IEnumerable<Instance> GetAllInstances(Type pluginType)
{
return _pluginGraph.AllInstances(pluginType).Union(_parent.Instances.GetAllInstances(pluginType));
}
public Instance FindInstance(Type pluginType, string name)
{
return _pluginGraph.FindInstance(pluginType, name) ?? _parent.Instances.FindInstance(pluginType, name);
}
public IEnumerable<PluginFamily> UniqueFamilies()
{
foreach (var family in _pluginGraph.Families)
{
yield return family;
}
foreach (
var family in _parent.Instances.UniqueFamilies().Where(x => !_pluginGraph.Families.Has(x.PluginType)))
{
yield return family;
}
}
public ILifecycle DefaultLifecycleFor(Type pluginType)
{
if (_pluginGraph.Families.Has(pluginType))
{
var family = _pluginGraph.Families[pluginType];
if (family.Lifecycle != null) return family.Lifecycle;
}
return _parent.Instances.DefaultLifecycleFor(pluginType);
}
public ContainerRole Role { get; private set; }
public IEnumerable<Instance> ImmediateInstances()
{
return _pluginGraph.Families.ToArray().SelectMany(x => x.Instances);
}
public PluginGraph ImmediatePluginGraph
{
get
{
return _pluginGraph;
}
}
}
}