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| using System;
| using System.Linq;
| using System.Threading;
| using System.Threading.Tasks;
|
| namespace IStation.ChEr
| {
| internal sealed partial class SharedMemoryCache
| {
| /// <summary>
| /// 移除所有缓存项，在移除之前阻止任何操作
| /// Remove all cache entries, blocking any set operations until complete
| /// </summary>
| public void Wipe()
| {
| if (this._isWiping) { return; }
|
| lock (this._wipeLock)
| {
| if (this._isWiping) { return; }
|
| this._isWiping = true;
|
| SpinWait.SpinUntil(() => !this._isSetting); // wait until all running set operations are complete (new ones are blocked)
|
| var keys = GetKeys();
|
| Parallel.ForEach(keys, x => ((IMemoryCacheDirect)this).Remove(x));
|
| try
| {
| if (keys.Any())
| {
| throw new Exception("Unable to remove keys: " + string.Join(", ", keys));
| }
| }
| finally
| {
| this._isWiping = false;
| }
| }
| }
| }
| }
|
|
