CS2-13: Добавлена потокобезопасность для данных в CaсheTable

This commit is contained in:
KharchenkoVV 2021-05-21 17:42:18 +05:00
parent 7b00cedb47
commit ae85cdedd5

View File

@ -12,6 +12,7 @@ namespace AsbCloudInfrastructure.Services.Cache
private readonly DbContext context;
private (DateTime refreshDate, IEnumerable<object> entities) data;
private readonly List<TEntity> cached;
private readonly ReaderWriterLockSlim cacheLocker = new ReaderWriterLockSlim();
internal CacheTable(DbContext context, (DateTime refreshDate, IEnumerable<object> entities) data)
{
@ -24,20 +25,36 @@ namespace AsbCloudInfrastructure.Services.Cache
public int Refresh()
{
cached.Clear();
var dbEntities = context.Set<TEntity>().ToList();
cached.AddRange(dbEntities);
data.refreshDate = DateTime.Now;
return cached.Count;
cacheLocker.EnterWriteLock();
try
{
cached.Clear();
var dbEntities = context.Set<TEntity>().ToList();
cached.AddRange(dbEntities);
data.refreshDate = DateTime.Now;
return cached.Count;
}
finally
{
cacheLocker.ExitWriteLock();
}
}
public async Task<int> RefreshAsync(CancellationToken token = default)
{
cached.Clear();
var dbEntities = await context.Set<TEntity>().ToListAsync(token).ConfigureAwait(false);
cached.AddRange(dbEntities);
data.refreshDate = DateTime.Now;
return cached.Count;
cacheLocker.EnterWriteLock();
try
{
cached.Clear();
var dbEntities = await context.Set<TEntity>().ToListAsync(token).ConfigureAwait(false);
cached.AddRange(dbEntities);
data.refreshDate = DateTime.Now;
return cached.Count;
}
finally
{
cacheLocker.ExitWriteLock();
}
}
private bool CheckRefresh(RefreshMode refreshMode)
@ -184,193 +201,300 @@ namespace AsbCloudInfrastructure.Services.Cache
public IEnumerable<TEntity> Update(Func<TEntity, bool> predicate, Action<TEntity> mutation)
{
var dbSet = context.Set<TEntity>();
var dbEntities = dbSet.Where(predicate);
if (dbEntities.Any())
cacheLocker.EnterWriteLock();
try
{
foreach (var dbEntity in dbEntities)
mutation(dbEntity);
context.SaveChanges();
var dbSet = context.Set<TEntity>();
var dbEntities = dbSet.Where(predicate);
if (dbEntities.Any())
{
foreach (var dbEntity in dbEntities)
mutation(dbEntity);
context.SaveChanges();
}
cached.RemoveAll(e => predicate(e));
cached.AddRange(dbEntities);
return dbEntities;
}
finally
{
cacheLocker.ExitWriteLock();
}
cached.RemoveAll(e => predicate(e));
cached.AddRange(dbEntities);
return dbEntities;
}
public async Task<IEnumerable<TEntity>> UpdateAsync(Func<TEntity, bool> predicate, Action<TEntity> mutation, CancellationToken token = default)
{
var dbSet = context.Set<TEntity>();
var dbEntities = dbSet.Where(predicate);
if (dbEntities.Any())
cacheLocker.EnterWriteLock();
try
{
foreach (var dbEntity in dbEntities)
mutation(dbEntity);
await context.SaveChangesAsync(token).ConfigureAwait(false);
var dbSet = context.Set<TEntity>();
var dbEntities = dbSet.Where(predicate);
if (dbEntities.Any())
{
foreach (var dbEntity in dbEntities)
mutation(dbEntity);
await context.SaveChangesAsync(token).ConfigureAwait(false);
}
cached.RemoveAll(e => predicate(e));
cached.AddRange(dbEntities);
return dbEntities;
}
finally
{
cacheLocker.ExitWriteLock();
}
cached.RemoveAll(e => predicate(e));
cached.AddRange(dbEntities);
return dbEntities;
}
public TEntity Upsert(TEntity entity)
{
var dbSet = context.Set<TEntity>();
Microsoft.EntityFrameworkCore.ChangeTracking.EntityEntry<TEntity> entityEntry;
if (cached.Contains(entity))
cacheLocker.EnterWriteLock();
try
{
entityEntry = dbSet.Update(entity);
cached.Remove(entity);
var dbSet = context.Set<TEntity>();
Microsoft.EntityFrameworkCore.ChangeTracking.EntityEntry<TEntity> entityEntry;
if (cached.Contains(entity))
{
entityEntry = dbSet.Update(entity);
cached.Remove(entity);
}
else
{
entityEntry = dbSet.Add(entity);
}
context.SaveChanges();
cached.Add(entityEntry.Entity);
return entityEntry.Entity;
}
else
finally
{
entityEntry = dbSet.Add(entity);
cacheLocker.ExitWriteLock();
}
context.SaveChanges();
cached.Add(entityEntry.Entity);
return entityEntry.Entity;
}
public async Task<TEntity> UpsertAsync(TEntity entity, CancellationToken token = default)
{
var dbSet = context.Set<TEntity>();
Microsoft.EntityFrameworkCore.ChangeTracking.EntityEntry<TEntity> entityEntry;
cacheLocker.EnterWriteLock();
if (cached.Contains(entity))
try
{
entityEntry = dbSet.Update(entity);
cached.Remove(entity);
var dbSet = context.Set<TEntity>();
Microsoft.EntityFrameworkCore.ChangeTracking.EntityEntry<TEntity> entityEntry;
if (cached.Contains(entity))
{
entityEntry = dbSet.Update(entity);
cached.Remove(entity);
}
else
{
entityEntry = dbSet.Add(entity);
}
await context.SaveChangesAsync(token).ConfigureAwait(false);
cached.Add(entityEntry.Entity);
return entityEntry.Entity;
}
else
finally
{
entityEntry = dbSet.Add(entity);
cacheLocker.ExitWriteLock();
}
await context.SaveChangesAsync(token).ConfigureAwait(false);
cached.Add(entityEntry.Entity);
return entityEntry.Entity;
}
public IEnumerable<TEntity> Upsert(IEnumerable<TEntity> entities)
{
var dbSet = context.Set<TEntity>();
cacheLocker.EnterWriteLock();
var upsertedEntries = new List<Microsoft.EntityFrameworkCore.ChangeTracking.EntityEntry<TEntity>>(entities.Count());
foreach (var entity in entities)
try
{
Microsoft.EntityFrameworkCore.ChangeTracking.EntityEntry<TEntity> entityEntry;
if (cached.Contains(entity))
var dbSet = context.Set<TEntity>();
var upsertedEntries = new List<Microsoft.EntityFrameworkCore.ChangeTracking.EntityEntry<TEntity>>(entities.Count());
foreach (var entity in entities)
{
entityEntry = dbSet.Update(entity);
cached.Remove(entity);
Microsoft.EntityFrameworkCore.ChangeTracking.EntityEntry<TEntity> entityEntry;
if (cached.Contains(entity))
{
entityEntry = dbSet.Update(entity);
cached.Remove(entity);
}
else
{
entityEntry = dbSet.Add(entity);
}
upsertedEntries.Add(entityEntry);
}
else
{
entityEntry = dbSet.Add(entity);
}
upsertedEntries.Add(entityEntry);
context.SaveChanges();
var upserted = upsertedEntries.Select(e => e.Entity);
cached.AddRange(upserted);
return upserted;
}
finally
{
cacheLocker.ExitWriteLock();
}
context.SaveChanges();
var upserted = upsertedEntries.Select(e => e.Entity);
cached.AddRange(upserted);
return upserted;
}
public async Task<IEnumerable<TEntity>> UpsertAsync(IEnumerable<TEntity> entities, CancellationToken token = default)
{
var dbSet = context.Set<TEntity>();
cacheLocker.EnterWriteLock();
var upsertedEntries = new List<Microsoft.EntityFrameworkCore.ChangeTracking.EntityEntry<TEntity>>(entities.Count());
foreach (var entity in entities)
try
{
Microsoft.EntityFrameworkCore.ChangeTracking.EntityEntry<TEntity> entityEntry;
if (cached.Contains(entity))
var dbSet = context.Set<TEntity>();
var upsertedEntries = new List<Microsoft.EntityFrameworkCore.ChangeTracking.EntityEntry<TEntity>>(entities.Count());
foreach (var entity in entities)
{
entityEntry = dbSet.Update(entity);
cached.Remove(entity);
Microsoft.EntityFrameworkCore.ChangeTracking.EntityEntry<TEntity> entityEntry;
if (cached.Contains(entity))
{
entityEntry = dbSet.Update(entity);
cached.Remove(entity);
}
else
{
entityEntry = dbSet.Add(entity);
}
upsertedEntries.Add(entityEntry);
}
else
{
entityEntry = dbSet.Add(entity);
}
upsertedEntries.Add(entityEntry);
await context.SaveChangesAsync(token).ConfigureAwait(false);
var upserted = upsertedEntries.Select(e => e.Entity);
cached.AddRange(upserted);
return upserted;
}
finally
{
cacheLocker.ExitWriteLock();
}
await context.SaveChangesAsync(token).ConfigureAwait(false);
var upserted = upsertedEntries.Select(e => e.Entity);
cached.AddRange(upserted);
return upserted;
}
public void Remove(Func<TEntity, bool> predicate)
{
var dbSet = context.Set<TEntity>();
cached.RemoveAll(e => predicate(e));
dbSet.RemoveRange(dbSet.Where(predicate));
context.SaveChanges();
return;
cacheLocker.EnterWriteLock();
try
{
var dbSet = context.Set<TEntity>();
cached.RemoveAll(e => predicate(e));
dbSet.RemoveRange(dbSet.Where(predicate));
context.SaveChanges();
return;
}
finally
{
cacheLocker.ExitWriteLock();
}
}
public async Task RemoveAsync(Func<TEntity, bool> predicate, CancellationToken token = default)
{
var dbSet = context.Set<TEntity>();
cached.RemoveAll(e => predicate(e));
dbSet.RemoveRange(dbSet.Where(predicate));
await context.SaveChangesAsync(token).ConfigureAwait(false);
return;
cacheLocker.EnterWriteLock();
try
{
var dbSet = context.Set<TEntity>();
cached.RemoveAll(e => predicate(e));
dbSet.RemoveRange(dbSet.Where(predicate));
await context.SaveChangesAsync(token).ConfigureAwait(false);
return;
}
finally
{
cacheLocker.ExitWriteLock();
}
}
public TEntity Insert(TEntity entity)
{
var dbSet = context.Set<TEntity>();
var dbEntity = dbSet.Add(entity).Entity;
context.SaveChanges();
cached.Add(dbEntity);
return dbEntity;
cacheLocker.EnterWriteLock();
try
{
var dbSet = context.Set<TEntity>();
var dbEntity = dbSet.Add(entity).Entity;
context.SaveChanges();
cached.Add(dbEntity);
return dbEntity;
}
finally
{
cacheLocker.ExitWriteLock();
}
}
public async Task<TEntity> InsertAsync(TEntity entity, CancellationToken token = default)
{
var dbSet = context.Set<TEntity>();
var dbEntity = dbSet.Add(entity).Entity;
await context.SaveChangesAsync(token).ConfigureAwait(false);
cached.Add(dbEntity);
return dbEntity;
cacheLocker.EnterWriteLock();
try
{
var dbSet = context.Set<TEntity>();
var dbEntity = dbSet.Add(entity).Entity;
await context.SaveChangesAsync(token).ConfigureAwait(false);
cached.Add(dbEntity);
return dbEntity;
}
finally
{
cacheLocker.ExitWriteLock();
}
}
public IEnumerable<TEntity> Insert(IEnumerable<TEntity> newEntities)
{
var dbSet = context.Set<TEntity>();
var dbEntities = new List<TEntity>(newEntities.Count());
foreach (var item in newEntities)
dbEntities.Add(dbSet.Add(item).Entity);
context.SaveChanges();
cached.AddRange(dbEntities);
return dbEntities;
cacheLocker.EnterWriteLock();
try
{
var dbSet = context.Set<TEntity>();
var dbEntities = new List<TEntity>(newEntities.Count());
foreach (var item in newEntities)
dbEntities.Add(dbSet.Add(item).Entity);
context.SaveChanges();
cached.AddRange(dbEntities);
return dbEntities;
}
finally
{
cacheLocker.ExitWriteLock();
}
}
public async Task<IEnumerable<TEntity>> InsertAsync(IEnumerable<TEntity> newEntities, CancellationToken token = default)
{
var dbSet = context.Set<TEntity>();
var dbEntities = new List<TEntity>(newEntities.Count());
foreach (var item in newEntities)
dbEntities.Add(dbSet.Add(item).Entity);
await context.SaveChangesAsync(token).ConfigureAwait(false);
cached.AddRange(dbEntities);
return dbEntities;
}
cacheLocker.EnterWriteLock();
try
{
var dbSet = context.Set<TEntity>();
var dbEntities = new List<TEntity>(newEntities.Count());
foreach (var item in newEntities)
dbEntities.Add(dbSet.Add(item).Entity);
await context.SaveChangesAsync(token).ConfigureAwait(false);
cached.AddRange(dbEntities);
return dbEntities;
}
finally
{
cacheLocker.ExitWriteLock();
}
}
}
}