cyf
149 lines
4.9 KiB
C#
149 lines
4.9 KiB
C#
/*
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* Copyright 2010 www.Zhaizj.Framework.com
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Collections;
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using Zhaizj.Framework.Caching;
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using Zhaizj.Framework.ORM.Caching;
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namespace Zhaizj.Framework.ORM.Caching {
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/// <summary>
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/// 对象的缓存时间管理工具
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/// </summary>
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public class CacheTime {
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private static readonly ILog logger = LogManager.GetLogger( typeof( CacheTime ) );
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private static IApplicationCache appCache = CacheManager.GetApplicationCache();
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public const int CacheForever = -999;
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private static Hashtable map = new Hashtable();
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public static void updateTable( Type t ) {
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logger.Debug( "updateTable at=>" + DateTime.Now + "_" + t.FullName );
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map[TimestampKey.getTable( t.FullName )] = DateTime.Now;
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}
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private static Object getTableUpdated( string typeFullName ) {
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return map[TimestampKey.getTable( typeFullName )];
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}
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private static void updatePrivate( String key, DateTime t) {
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//appCache.Put( key, t );
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map[key] = t;
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}
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private static object getUpdatedPrivate( String key ) {
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//return appCache.Get( key );
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return map[key];
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}
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//--------------------------------------------------------------------------------------------
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public static void updateObject( IEntity obj ) {
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updatePrivate( TimestampKey.getObject( obj ), DateTime.Now );
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}
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private static Object getObjectUpdated( IEntity obj ) {
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return getUpdatedPrivate( TimestampKey.getObject( obj ) );
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}
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public static Boolean isObjectUpdated( IEntity obj ) {
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Object tblUpdated = getTableUpdated( obj.GetType().FullName );
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if (tblUpdated == null) return false;
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Object objUpdated = getObjectUpdated( obj );
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if (objUpdated == null) return true;
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return (DateTime)tblUpdated >= (DateTime)objUpdated;
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}
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//--------------------------------------------------------------------------------------------
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public static void updateList( String cacheKey ) {
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logger.Debug( "updateList at=>" + DateTime.Now + "_" + cacheKey );
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updatePrivate( TimestampKey.getList( cacheKey ), DateTime.Now );
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}
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private static Object getListUpdaed( String cacheKey ) {
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return getUpdatedPrivate( TimestampKey.getList( cacheKey ) );
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}
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public static bool isListUpdate( string cacheKey, Type t ) {
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Object tblUpdated = getTableUpdated( t.FullName );
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if (tblUpdated == null) return false;
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logger.Debug( "tblUpdated=" + tblUpdated );
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Object listUpdated = getListUpdaed( cacheKey );
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if (listUpdated == null) return true;
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logger.Debug( "listUpdated=" + listUpdated );
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return (DateTime)tblUpdated >= (DateTime)listUpdated;
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}
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//--------------------------------------------------------------------------------------------
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public static void updateCount( Type t ) {
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map[TimestampKey.getCount( t )] = DateTime.Now;
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}
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public static void updateCount( Type t, String condition ) {
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map[TimestampKey.getCount( t, condition )] = DateTime.Now;
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}
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private static Object getCountUpdated( Type t ) {
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return map[TimestampKey.getCount( t )];
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}
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private static Object getCountUpdated( Type t, String condition ) {
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return map[TimestampKey.getCount( t, condition )];
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}
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public static Boolean isCountUpdate( Type t ) {
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Object tblUpdated = getTableUpdated( t.FullName );
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if (tblUpdated == null) return false;
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Object countUpdated = getCountUpdated( t );
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if (countUpdated == null) return true;
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return (DateTime)tblUpdated >= (DateTime)countUpdated;
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}
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public static Boolean isCountUpdate( Type t, String condition ) {
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Object tblUpdated = getTableUpdated( t.FullName );
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if (tblUpdated == null) return false;
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Object countUpdated = getCountUpdated( t, condition );
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if (countUpdated == null) return true;
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return (DateTime)tblUpdated >= (DateTime)countUpdated;
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}
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}
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}
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