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Copy pathCacheCompoundKeyRepositoryBase.cs
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508 lines (406 loc) · 16.2 KB
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using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using SharpRepository.Repository;
using SharpRepository.Repository.Caching;
using SharpRepository.Repository.FetchStrategies;
namespace SharpRepository.CacheRepository
{
public abstract class CacheCompoundKeyRepositoryBase<T> : LinqCompoundKeyRepositoryBase<T> where T : class, new()
{
private readonly string _prefix;
private readonly ICachingProvider _cachingProvider;
internal CacheCompoundKeyRepositoryBase(string prefix, ICachingProvider cachingProvider, ICompoundKeyCachingStrategy<T> cachingStrategy = null)
: base(cachingStrategy)
{
_prefix = prefix;
_cachingProvider = cachingProvider;
}
private ConcurrentDictionary<string, T> Items
{
get
{
ConcurrentDictionary<string, T> items = null;
if (!_cachingProvider.Exists(_prefix + ".CacheRepository.Items"))
{
items = new ConcurrentDictionary<string, T>();
_cachingProvider.Set(_prefix + ".CacheRepository.Items", items);
}
else
{
if (!_cachingProvider.Get(_prefix + ".CacheRepository.Items", out items))
{
items = new ConcurrentDictionary<string, T>();
}
}
return items;
}
set
{
_cachingProvider.Set(_prefix + ".CacheRepository.Items", value);
}
}
protected override IQueryable<T> BaseQuery(IFetchStrategy<T> fetchStrategy = null)
{
return CloneDictionary(Items).AsQueryable();
}
protected override T GetQuery(params object[] keys)
{
Items.TryGetValue(String.Join("/", keys), out T result);
return result;
}
private static IEnumerable<T> CloneDictionary(ConcurrentDictionary<string, T> list)
{
// when you Google deep copy of generic list every answer uses either the IClonable interface on the T or having the T be Serializable
// since we can't really put those constraints on T I'm going to do it via reflection
Type type = typeof(T);
var properties = type.GetTypeInfo().DeclaredProperties;
var clonedList = new List<T>(list.Count);
foreach (var keyValuePair in list)
{
var newItem = new T();
foreach (var propInfo in properties)
{
propInfo.SetValue(newItem, propInfo.GetValue(keyValuePair.Value, null), null);
}
clonedList.Add(newItem);
}
return clonedList;
}
protected override void AddItem(T entity)
{
if (!GetPrimaryKeys(entity, out object[] keys))
{
throw new ArgumentException("Primary keys not set");
}
Items[String.Join("/", keys)] = entity;
}
protected override void DeleteItem(T entity)
{
if (!GetPrimaryKeys(entity, out object[] keys))
{
throw new ArgumentException("Primary keys not set");
}
Items.TryRemove(String.Join("/", keys), out T tmp);
}
protected override void UpdateItem(T entity)
{
if (!GetPrimaryKeys(entity, out object[] keys))
{
throw new ArgumentException("Primary keys not set");
}
Items[String.Join("/", keys)] = entity;
}
protected override void SaveChanges()
{
}
public override void Dispose()
{
}
public override string ToString()
{
return "SharpRepository.InMemoryRepository";
}
}
public abstract class CacheCompoundKeyRepositoryBase<T, TKey, TKey2> : LinqCompoundKeyRepositoryBase<T, TKey, TKey2> where T : class, new()
{
private struct CompoundKey
{
public TKey Key1 { private get; set; }
public TKey2 Key2 { private get; set; }
public override int GetHashCode()
{
return Key1.GetHashCode() ^ Key2.GetHashCode();
}
public override bool Equals(object obj)
{
if (obj is CompoundKey compositeKey)
{
return Key1.Equals(compositeKey.Key1) && Key2.Equals(compositeKey.Key2);
}
return false;
}
}
private ConcurrentDictionary<CompoundKey, T> Items
{
get
{
ConcurrentDictionary<CompoundKey, T> items = null;
if (!_cachingProvider.Exists(_prefix + ".CacheRepository.Items"))
{
items = new ConcurrentDictionary<CompoundKey, T>();
_cachingProvider.Set(_prefix + ".CacheRepository.Items", items);
}
else
{
if (!_cachingProvider.Get(_prefix + ".CacheRepository.Items", out items))
{
items = new ConcurrentDictionary<CompoundKey, T>();
}
}
return items;
}
set
{
_cachingProvider.Set(_prefix + ".CacheRepository.Items", value);
}
}
private readonly string _prefix;
private readonly ICachingProvider _cachingProvider;
internal CacheCompoundKeyRepositoryBase(string prefix, ICachingProvider cachingProvider, ICompoundKeyCachingStrategy<T, TKey, TKey2> cachingStrategy = null)
: base(cachingStrategy)
{
_prefix = prefix;
_cachingProvider = cachingProvider;
}
protected override IQueryable<T> BaseQuery(IFetchStrategy<T> fetchStrategy = null)
{
return CloneDictionary(Items).AsQueryable();
}
protected override T GetQuery(TKey key, TKey2 key2)
{
var compoundKey = new CompoundKey { Key1 = key, Key2 = key2 };
Items.TryGetValue(compoundKey, out T result);
return result;
}
private static IEnumerable<T> CloneDictionary(ConcurrentDictionary<CompoundKey, T> list)
{
// when you Google deep copy of generic list every answer uses either the IClonable interface on the T or having the T be Serializable
// since we can't really put those constraints on T I'm going to do it via reflection
var type = typeof(T);
var properties = type.GetProperties();
var clonedList = new List<T>(list.Count);
foreach (var keyValuePair in list)
{
var newItem = new T();
foreach (var propInfo in properties)
{
propInfo.SetValue(newItem, propInfo.GetValue(keyValuePair.Value, null), null);
}
clonedList.Add(newItem);
}
return clonedList;
}
protected override void AddItem(T entity)
{
GetPrimaryKey(entity, out TKey key, out TKey2 key2);
var compoundKey = new CompoundKey { Key1 = key, Key2 = key2 };
Items[compoundKey] = entity;
}
protected override void DeleteItem(T entity)
{
GetPrimaryKey(entity, out TKey key, out TKey2 key2);
var compoundKey = new CompoundKey { Key1 = key, Key2 = key2 };
Items.TryRemove(compoundKey, out T tmp);
}
protected override void UpdateItem(T entity)
{
GetPrimaryKey(entity, out TKey key, out TKey2 key2);
var compoundKey = new CompoundKey { Key1 = key, Key2 = key2 };
Items[compoundKey] = entity;
}
protected override void SaveChanges()
{
}
public override void Dispose()
{
}
public override string ToString()
{
return "SharpRepository.InMemoryRepository";
}
}
public abstract class CacheCompoundKeyRepositoryBase<T, TKey, TKey2, TKey3> : LinqCompoundKeyRepositoryBase<T, TKey, TKey2, TKey3> where T : class, new()
{
private struct CompoundKey
{
public TKey Key1 { private get; set; }
public TKey2 Key2 { private get; set; }
public TKey3 Key3 { private get; set; }
public override int GetHashCode()
{
return Key1.GetHashCode() ^ Key2.GetHashCode() ^ Key3.GetHashCode();
}
public override bool Equals(object obj)
{
if (obj is CompoundKey compositeKey)
{
return Key1.Equals(compositeKey.Key1) && Key2.Equals(compositeKey.Key2) && Key3.Equals(compositeKey.Key2);
}
return false;
}
}
private ConcurrentDictionary<CompoundKey, T> Items
{
get
{
ConcurrentDictionary<CompoundKey, T> items = null;
if (!_cachingProvider.Exists(_prefix + ".CacheRepository.Items"))
{
items = new ConcurrentDictionary<CompoundKey, T>();
_cachingProvider.Set(_prefix + ".CacheRepository.Items", items);
}
else
{
if (!_cachingProvider.Get(_prefix + ".CacheRepository.Items", out items))
{
items = new ConcurrentDictionary<CompoundKey, T>();
}
}
return items;
}
set
{
_cachingProvider.Set(_prefix + ".CacheRepository.Items", value);
}
}
private readonly string _prefix;
private readonly ICachingProvider _cachingProvider;
internal CacheCompoundKeyRepositoryBase(string prefix, ICachingProvider cachingProvider, ICompoundKeyCachingStrategy<T, TKey, TKey2, TKey3> cachingStrategy = null)
: base(cachingStrategy)
{
_prefix = prefix;
_cachingProvider = cachingProvider;
}
protected override IQueryable<T> BaseQuery(IFetchStrategy<T> fetchStrategy = null)
{
return CloneDictionary(Items).AsQueryable();
}
protected override T GetQuery(TKey key, TKey2 key2, TKey3 key3)
{
var compoundKey = new CompoundKey { Key1 = key, Key2 = key2, Key3 = key3 };
Items.TryGetValue(compoundKey, out T result);
return result;
}
private static IEnumerable<T> CloneDictionary(ConcurrentDictionary<CompoundKey, T> list)
{
// when you Google deep copy of generic list every answer uses either the IClonable interface on the T or having the T be Serializable
// since we can't really put those constraints on T I'm going to do it via reflection
var type = typeof(T);
var properties = type.GetProperties();
var clonedList = new List<T>(list.Count);
foreach (var keyValuePair in list)
{
var newItem = new T();
foreach (var propInfo in properties)
{
propInfo.SetValue(newItem, propInfo.GetValue(keyValuePair.Value, null), null);
}
clonedList.Add(newItem);
}
return clonedList;
}
protected override void AddItem(T entity)
{
GetPrimaryKey(entity, out TKey key, out TKey2 key2, out TKey3 key3);
var compoundKey = new CompoundKey { Key1 = key, Key2 = key2, Key3 = key3 };
Items[compoundKey] = entity;
}
protected override void DeleteItem(T entity)
{
GetPrimaryKey(entity, out TKey key, out TKey2 key2, out TKey3 key3);
var compoundKey = new CompoundKey { Key1 = key, Key2 = key2, Key3 = key3 };
Items.TryRemove(compoundKey, out T tmp);
}
protected override void UpdateItem(T entity)
{
GetPrimaryKey(entity, out TKey key, out TKey2 key2, out TKey3 key3);
var compoundKey = new CompoundKey { Key1 = key, Key2 = key2, Key3 = key3 };
Items[compoundKey] = entity;
}
protected override void SaveChanges()
{
}
public override void Dispose()
{
}
public override string ToString()
{
return "SharpRepository.InMemoryRepository";
}
}
public abstract class InMemoryCompoundKeyRepositoryBase<T, TKey, TKey2, TKey3> : LinqCompoundKeyRepositoryBase<T, TKey, TKey2, TKey3> where T : class, new()
{
private struct CompoundKey
{
public TKey Key1 { get; set; }
public TKey2 Key2 { get; set; }
public TKey3 Key3 { get; set; }
public override int GetHashCode()
{
return Key1.GetHashCode() ^ Key2.GetHashCode() ^ Key3.GetHashCode();
}
public override bool Equals(object obj)
{
if (obj is CompoundKey compositeKey)
{
return Key1.Equals(compositeKey.Key1) && Key2.Equals(compositeKey.Key2) && Key3.Equals(compositeKey.Key3);
}
return false;
}
}
private readonly ConcurrentDictionary<CompoundKey, T> _items = new ConcurrentDictionary<CompoundKey, T>();
internal InMemoryCompoundKeyRepositoryBase(ICompoundKeyCachingStrategy<T, TKey, TKey2, TKey3> cachingStrategy = null)
: base(cachingStrategy)
{
}
protected override IQueryable<T> BaseQuery(IFetchStrategy<T> fetchStrategy = null)
{
return CloneDictionary(_items).AsQueryable();
}
protected override T GetQuery(TKey key, TKey2 key2, TKey3 key3)
{
var compoundKey = new CompoundKey { Key1 = key, Key2 = key2, Key3 = key3 };
_items.TryGetValue(compoundKey, out T result);
return result;
}
private static IEnumerable<T> CloneDictionary(ConcurrentDictionary<CompoundKey, T> list)
{
// when you Google deep copy of generic list every answer uses either the IClonable interface on the T or having the T be Serializable
// since we can't really put those constraints on T I'm going to do it via reflection
var type = typeof(T);
var properties = type.GetProperties();
var clonedList = new List<T>(list.Count);
foreach (var keyValuePair in list)
{
var newItem = new T();
foreach (var propInfo in properties)
{
propInfo.SetValue(newItem, propInfo.GetValue(keyValuePair.Value, null), null);
}
clonedList.Add(newItem);
}
return clonedList;
}
protected override void AddItem(T entity)
{
GetPrimaryKey(entity, out TKey key, out TKey2 key2, out TKey3 key3);
var compoundKey = new CompoundKey { Key1 = key, Key2 = key2, Key3 = key3 };
_items[compoundKey] = entity;
}
protected override void DeleteItem(T entity)
{
GetPrimaryKey(entity, out TKey key, out TKey2 key2, out TKey3 key3);
var compoundKey = new CompoundKey { Key1 = key, Key2 = key2, Key3 = key3 };
_items.TryRemove(compoundKey, out T tmp);
}
protected override void UpdateItem(T entity)
{
GetPrimaryKey(entity, out TKey key, out TKey2 key2, out TKey3 key3);
var compoundKey = new CompoundKey { Key1 = key, Key2 = key2, Key3 = key3 };
_items[compoundKey] = entity;
}
protected override void SaveChanges()
{
}
public override void Dispose()
{
}
public override string ToString()
{
return "SharpRepository.InMemoryRepository";
}
}
}