CJDBCversion1.0.4: クラス org.objectweb.cjdbc.controller.cache.result.schema.CacheDatabaseColumn

コンストラクタとデストラクタ

メソッド

00119 { 00120 for (Iterator i = cacheEntries.iterator(); i.hasNext();) 00121 { 00122 CacheEntry entry = (CacheEntry) i.next(); 00123 entry.invalidate(); 00124 } 00125 cacheEntries.clear(); 00126 }

00132 { 00133 // Do not try to optimize by moving cacheEntries.size() 00134 // out of the for statement 00135 for (int i = 0; i < cacheEntries.size();) 00136 { 00137 CacheEntry ce = (CacheEntry) cacheEntries.get(i); 00138 if (ce.getRequest().getCacheAbility() != RequestType.UNIQUE_CACHEABLE) 00139 { 00140 ce.invalidate(); 00141 cacheEntries.remove(i); 00142 } 00143 else 00144 { 00145 i++; 00146 } 00147 } 00148 }

00232 { 00233 // Do not try to optimize by moving cacheEntries.size() 00234 // out of the for statement 00235 for (int i = 0; i < cacheEntries.size(); i++) 00236 { 00237 CacheEntry ce = (CacheEntry) cacheEntries.get(i); 00238 if ((ce.getRequest().getCacheAbility() != RequestType.UNIQUE_CACHEABLE) 00239 && ce.isValid()) 00240 ce.markDirty(); 00241 else 00242 { 00243 ce.invalidate(); 00244 cacheEntries.remove(i); 00245 } 00246 } 00247 }

synchronized void org.objectweb.cjdbc.controller.cache.result.schema.CacheDatabaseColumn.invalidateAllUniqueWithValuesAndAllNonUnique	(	String	val,
		ArrayList	columns,
		ArrayList	values
	)

Invalidates all cache entries depending on this column that are either non- unique or unique and associated with given values.

引数:

	val	a `String` representing the value of the current column.
	columns	an `ArrayList` of CacheDatabaseColumn objects
	values	an `ArrayList` of String objects representing values.

CacheDatabaseColumn.java の 160 行で定義されています。

参照先 org.objectweb.cjdbc.controller.cache.result.schema.CacheDatabaseColumn.cacheEntries, org.objectweb.cjdbc.common.sql.AbstractRequest.getCacheAbility(), org.objectweb.cjdbc.controller.cache.result.schema.CacheDatabaseColumn.getName(), org.objectweb.cjdbc.controller.cache.result.entries.CacheEntry.getRequest(), org.objectweb.cjdbc.common.sql.SelectRequest.getWhereValues(), org.objectweb.cjdbc.controller.cache.result.entries.CacheEntry.invalidate(), と org.objectweb.cjdbc.controller.cache.result.schema.CacheDatabaseColumn.name.

00164   {
00165     // Do not try to optimize by moving cacheEntries.size()
00166     // out of the for statement
00167     for (int i = 0; i < cacheEntries.size();)
00168     {
00169       CacheEntry ce = (CacheEntry) cacheEntries.get(i);
00170       if (ce.getRequest().getCacheAbility() == RequestType.UNIQUE_CACHEABLE)
00171       {
00172         Hashtable queryValues;
00173         String value, v;
00174         SelectRequest query;
00175         int size, j;
00176 
00177         query = ce.getRequest();
00178         queryValues = query.getWhereValues();
00179         // queryValues != null in a UNIQUE_CACHEABLE request
00180         value = (String) queryValues.get(this.name);
00181         if (value.compareToIgnoreCase(val) == 0)
00182         {
00183           // The value associated with this column in the WHERE clause
00184           // of the UNIQUE SELECT query equals val:
00185           // Check if the values associated with the other columns are equal.
00186           size = values.size();
00187           j = 0;
00188           for (Iterator it = columns.iterator();
00189             it.hasNext() && (j < size);
00190             j++)
00191           {
00192             CacheDatabaseColumn cdc = (CacheDatabaseColumn) it.next();
00193             if (!this.equals(cdc))
00194             {
00195               v = (String) values.get(j);
00196               value = (String) queryValues.get(cdc.getName());
00197               if (value.compareToIgnoreCase(v) != 0)
00198               {
00199                 // UNIQUE_CACHEABLE request with a different value
00200                 // Do not invalidate it
00201                 return;
00202               }
00203             }
00204           }
00205           // UNIQUE_CACHEABLE request with same values
00206           // Invalidate it
00207           ce.invalidate();
00208           cacheEntries.remove(i);
00209         }
00210         else
00211         {
00212           // UNIQUE_CACHEABLE request with a different value
00213           // Do not invalidate it
00214           i++;
00215         }
00216       }
00217       else
00218       {
00219         // NON UNIQUE_CACHEABLE request
00220         // Invalidate it
00221         ce.invalidate();
00222         cacheEntries.remove(i);
00223       }
00224     }
00225   }

00103 { 00104 // Do not try to optimize by moving cacheEntries.size() 00105 // out of the for statement 00106 for (int i = 0; i < cacheEntries.size(); i++) 00107 { 00108 CacheEntry ce = (CacheEntry) cacheEntries.get(i); 00109 if ((ce.getRequest().getCacheAbility() != RequestType.UNIQUE_CACHEABLE) 00110 && ce.isValid()) 00111 ce.markDirty(); 00112 } 00113 }


Public メソッド
	CacheDatabaseColumn (String name)
String	getName ()
boolean	equals (Object other)
synchronized void	addCacheEntry (CacheEntry ce)
synchronized void	markDirtyAllNonUnique ()
synchronized void	invalidateAll ()
synchronized void	invalidateAllNonUnique ()
synchronized void	invalidateAllUniqueWithValuesAndAllNonUnique (String val, ArrayList columns, ArrayList values)
synchronized void	invalidateAllNonUniqueAndMarkDirtyUnique ()
String	getInformation ()
Private 変数
String	name
ArrayList	cacheEntries

クラス org.objectweb.cjdbc.controller.cache.result.schema.CacheDatabaseColumn

説明

Public メソッド

Private 変数

コンストラクタとデストラクタ

メソッド

変数