001 package railo.runtime.type.scope.session; 002 003 import railo.commons.io.log.Log; 004 import railo.runtime.PageContext; 005 import railo.runtime.exp.PageException; 006 import railo.runtime.type.Collection; 007 import railo.runtime.type.Struct; 008 import railo.runtime.type.StructImpl; 009 import railo.runtime.type.scope.Session; 010 import railo.runtime.type.scope.storage.StorageScopeCache; 011 012 public final class SessionCache extends StorageScopeCache implements Session { 013 014 private static final long serialVersionUID = -875719423763891692L; 015 016 private SessionCache(PageContext pc,String cacheName, String appName,Struct sct) { 017 super(pc,cacheName,appName,"session",SCOPE_SESSION,sct); 018 } 019 020 /** 021 * Constructor of the class, clone existing 022 * @param other 023 */ 024 private SessionCache(StorageScopeCache other,boolean deepCopy) { 025 super(other,deepCopy); 026 } 027 028 @Override 029 public Collection duplicate(boolean deepCopy) { 030 return new SessionCache(this,deepCopy); 031 } 032 033 /** 034 * load an new instance of the client datasource scope 035 * @param cacheName 036 * @param appName 037 * @param pc 038 * @return client datasource scope 039 * @throws PageException 040 */ 041 public static Session getInstance(String cacheName, String appName, PageContext pc,Log log) throws PageException { 042 Struct _sct = _loadData(pc, cacheName, appName,"session", log); 043 //structOk=true; 044 if(_sct==null) _sct=new StructImpl(); 045 046 return new SessionCache(pc,cacheName,appName,_sct); 047 } 048 049 public static boolean hasInstance(String cacheName, String appName, PageContext pc) { 050 try { 051 return _loadData(pc, cacheName, appName,"session", null)!=null; 052 } 053 catch (PageException e) { 054 return false; 055 } 056 } 057 058 059 public static Session getInstance(String cacheName, String appName, PageContext pc,Log log, Session defaultValue) { 060 try { 061 return getInstance(cacheName, appName, pc,log); 062 } 063 catch (PageException e) {} 064 return defaultValue; 065 } 066 067 }