Examples of com.sleepycat.bind.serial.SerialBinding

com.sleepycat.bind.serial.SerialBinding
A concrete EntryBinding that treats a key or data entry as a serialized object.
This binding stores objects in serialized object format. The deserialized objects are returned by the binding, and their Class must implement the Serializable interface.

For key bindings, a tuple binding is usually a better choice than a serial binding. A tuple binding gives a reasonable sort order, and works with comparators in all cases -- see below.

WARNING: SerialBinding should not be used with Berkeley DB Java Edition for key bindings, when a custom comparator is used. In JE, comparators are instantiated and called internally at times when databases are not accessible. Because serial bindings depend on the class catalog database, a serial binding cannot be used during these times. An attempt to use a serial binding with a custom comparator will result in a NullPointerException during environment open or close.

Class Evolution

{@code SerialBinding} and other classes in this package use standard Javaserialization and all rules of Java serialization apply. This includes the rules for class evolution. Once an instance of a class is stored, the class must maintain its {@code serialVersionUID} and follow the rules defined inthe Java specification. To use a new incompatible version of a class, a different {@link ClassCatalog} must be used or the class catalog databasemust be truncated.

If more advanced class evolution features are required, consider using the {@link com.sleepycat.persist.evolve Direct Persistence Layer}.
@author Mark Hayes

                null,
                PersistProcessor.URI_HISTORY_DBNAME,
                PersistProcessor.HISTORY_DB_CONFIG.toDatabaseConfig());
        @SuppressWarnings({ "rawtypes", "unchecked" })
        StoredSortedMap<String, Object> historyMap = new StoredSortedMap<String, Object>(historyDB,
                new StringBinding(), new SerialBinding(classCatalog, Map.class), true);
        
        int count = 0;
        
        if(source.isFile()) {
            // scan log, writing to database

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      // Instantiate the class catalog
      classCatalog = new StoredClassCatalog(entryCacheClassDB);
      //This line causes an unchecked call error if the SuppressWarnings
      //annotation is removed at the beginning of this method.
      entryCacheDataBinding =
          new SerialBinding(classCatalog,
          FileSystemEntryCacheIndex.class);


      // Get the root configuration object.
      ServerManagementContext managementContext =
        ServerManagementContext.getInstance();

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            INDEXCLASSDBNAME, entryCacheDBConfig);
          // Instantiate the class catalog
          classCatalog = new StoredClassCatalog(entryCacheClassDB);
          //This line causes an unchecked call error if the SuppressWarnings
          //annotation is removed at the beginning of this method.
          entryCacheDataBinding = new SerialBinding(classCatalog,
            FileSystemEntryCacheIndex.class);
        }
      } catch (Exception e) {
        if (debugEnabled()) {
          TRACER.debugCaught(DebugLogLevel.ERROR, e);

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      cacheDb = env.openDatabase(null, cacheDbName, dbConfig);
      catalogDb = env.openDatabase(null, catalogDbName, dbConfig);


      /* Use the catalog for the serial binding. */
      catalog = new StoredClassCatalog(catalogDb);
      serialBinding = new SerialBinding(catalog, null);


      /* Start with a fresh transaction map. */
      txnMap = new ConcurrentHashMap<Object, Transaction>();
   }

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      cacheDb = env.openDatabase(null, cacheDbName, dbConfig);
      catalogDb = env.openDatabase(null, catalogDbName, dbConfig);


      /* Use the catalog for the serial binding. */
      catalog = new StoredClassCatalog(catalogDb);
      serialBinding = new SerialBinding(catalog, null);


      /* Start with a fresh transaction map. */
      txnMap = new ConcurrentHashMap<Object, Transaction>();
   }

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      Database catalogDb = env.openDatabase(null, CLASS_CATALOG, dbConfig);


      javaCatalog = new StoredClassCatalog(catalogDb);


      EntryBinding storedEntryKeyBinding =
            new SerialBinding(javaCatalog, Object.class);
      EntryBinding storedEntryValueBinding =
            new InternalCacheEntryBinding(new TestObjectStreamMarshaller());


      storedEntriesDb = env.openDatabase(null, STORED_ENTRIES, dbConfig);

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com.numb3r3.common.db.berkeleydb.BerkeleyDBMatrix

com.sleepycat.bind.serial.test.SerialBindingTest

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