Examples of org.apache.derby.catalog.UUID

org.apache.derby.catalog.UUID
An interface for accessing Cloudscape UUIDs, unique identifiers.
The values in the system catalog held in ID columns with a type of CHAR(36) are the string representations of these UUIDs.
A UUID implements equals() and hashCode based on value equality.

            fileLockOnDB.writeUTF(myUUID.toString()); 


            fileLockOnDB.sync( false);
            fileLockOnDB.seek(0);
            // check the UUID
            UUID checkUUID = uuidFactory.recreateUUID(fileLockOnDB.readUTF());
            if (!checkUUID.equals(myUUID))
            {
                throw StandardException.newException(
                    SQLState.DATA_MULTIPLE_JBMS_ON_DB, databaseDirectory);
            }
        }

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    List sdl = getStatistics();


    if (cd == null)
      return (sdl.size() > 0);


    UUID cdUUID = cd.getUUID();


    for (Iterator li = sdl.iterator(); li.hasNext(); )
    {
      StatisticsDescriptor statDesc = (StatisticsDescriptor) li.next();
      if (cdUUID.equals(statDesc.getReferenceID()))
        return true;


    }


    return false;

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          selectivity *= 0.1;
        return selectivity;
      }
    }
    
    UUID referenceUUID = cd.getUUID();


    List sdl = getStatistics();
    for (Iterator li = sdl.iterator(); li.hasNext(); )
    {
      StatisticsDescriptor statDesc = (StatisticsDescriptor) li.next();


      if (!referenceUUID.equals(statDesc.getReferenceID()))
        continue;
      
      if (statDesc.getColumnCount() != numKeys)
        continue;

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      {
        continue;
      }


      TableDescriptor  pktd = refcd.getTableDescriptor();
      UUID pkuuid = refcd.getIndexId();
      ConglomerateDescriptor pkIndexConglom = pktd.getConglomerateDescriptor(pkuuid);


      TableDescriptor refTd = cd.getTableDescriptor();
      fkVector.add(new FKInfo(
                  fkNames,              // foreign key names

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    TransactionController tc = af.getTransaction(
        ContextService.getFactory().getCurrentContextManager());


    String  upgradeID = null;
    UUID  databaseID;


    if ((databaseID = (UUID) tc.getProperty(DataDictionary.DATABASE_ID)) == null) {


      // no property defined in the Transaction set
      // this could be an upgrade, see if it's stored in the service set

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  {
    DataTypeDescriptor    dtd;
    ExecRow            row;
    DataValueDescriptor    col;
    String          name = null;
    UUID          uuid = null;
    String          uuidStr = null;  
    String          suuidStr = null;  // schema  
    String          compUuidStr = null;  // compilation schema  
    String          text = null;
    String          usingText = null;
    ExecPreparedStatement  preparedStatement = null;
    String          typeStr = null;
    boolean          valid = true;
    Timestamp        time = null;
    boolean          initiallyCompilable = true;


    if (spsDescriptor != null)
    {
      name = spsDescriptor.getName();
      uuid = spsDescriptor.getUUID();
      suuidStr = spsDescriptor.getSchemaDescriptor().getUUID().toString();
      uuidStr = uuid.toString();
      text = spsDescriptor.getText();      
      valid = spsDescriptor.isValid();
      time = spsDescriptor.getCompileTime();
      typeStr = spsDescriptor.getTypeAsString();
      initiallyCompilable = spsDescriptor.initiallyCompilable();

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    DataValueDescriptor      col;
    SPSDescriptor        descriptor;
    String            name;
    String            text;
    String            usingText;
    UUID            uuid;
    UUID            compUuid = null;
    String            uuidStr;
    UUID            suuid;    // schema
    String            suuidStr;  // schema
    String            typeStr;
    char            type;
    boolean            valid;
    Timestamp          time = null;

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            td.getHeapConglomerateId(), 
            colNumber, 
            storableDV, 
            columnInfo[ix].dataType.getCollationType());


    UUID defaultUUID = columnInfo[ix].newDefaultUUID;


    /* Generate a UUID for the default, if one exists
     * and there is no default id yet.
     */
    if (columnInfo[ix].defaultInfo != null &&

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      // Drop any dependencies
      dm.clearDependencies(lcc, defaultDescriptor);
    }


    UUID defaultUUID = columnInfo[ix].newDefaultUUID;


    /* Generate a UUID for the default, if one exists
     * and there is no default id yet.
     */
    if (columnInfo[ix].defaultInfo != null &&

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      deps.add(dy);
      table.put(key, deps);
    }
    else {
      /* Make sure that we're not adding a duplicate dependency */
      UUID  provKey = dy.getProvider().getObjectID();
      UUID  depKey = dy.getDependent().getObjectID();


      for (ListIterator depsIT = deps.listIterator();  depsIT.hasNext(); )
      {
        Dependency curDY = (Dependency)depsIT.next();
        if (curDY.getProvider().getObjectID().equals(provKey) &&

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Related Classes of org.apache.derby.catalog.UUID

org.apache.derby.iapi.sql.depend.DependableList

org.apache.derby.iapi.sql.dictionary.RoutinePermsDescriptor

org.apache.derby.iapi.sql.dictionary.TableDescriptor

org.apache.derby.iapi.sql.dictionary.TriggerDescriptor

org.apache.derby.iapi.types.SQLBoolean

org.apache.derby.impl.db.BasicDatabase

org.apache.derby.impl.services.daemon.IndexStatisticsDaemonImpl

org.apache.derby.impl.sql.catalog.DataDictionaryImpl

org.apache.derby.impl.sql.catalog.DropDependencyFilter

org.apache.derby.impl.sql.catalog.PermissionsCacheable

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