Examples of org.apache.derby.iapi.services.uuid.UUIDFactory

Package org.apache.derby.iapi.services.uuid

Examples of org.apache.derby.iapi.services.uuid.UUIDFactory

org.apache.derby.iapi.services.uuid.UUIDFactory
Generates and recreates unique identifiers. An example of such an identifier is:
```
 E4900B90-DA0E-11d0-BAFE-0060973F0942 
```
These resemble DCE UUIDs, but use a different implementation.
The string format is designed to be the same as the string format produced by Microsoft's UUIDGEN program, although at present the bit fields are probably not the same.


  public void  boot(boolean create, Properties startParams)
    throws StandardException
  {
    // Find the UUID factory.
    UUIDFactory uuidFactory = Monitor.getMonitor().getUUIDFactory();


    // Make a UUID that identifies this sort's format.
    formatUUID = uuidFactory.recreateUUID(FORMATUUIDSTRING);


    // See if there's a new maximum sort buffer size.
    defaultSortBufferMax = PropertyUtil.getSystemInt("derby.storage.sortBufferMax",
                0, Integer.MAX_VALUE, 0);

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  // constructors
  //


  GenericPreparedStatement() {
    /* Get the UUID for this prepared statement */
    UUIDFactory uuidFactory = 
      Monitor.getMonitor().getUUIDFactory();


    UUIDValue = uuidFactory.createUUID();
    UUIDString = UUIDValue.toString();
    spsAction = false;
  }

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    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


      UUIDFactory  uuidFactory  = Monitor.getMonitor().getUUIDFactory();


      
      upgradeID = startParams.getProperty(DataDictionary.DATABASE_ID);
      if (upgradeID == null )
      {
        // just create one
        databaseID = uuidFactory.createUUID();
      } else {
        databaseID = uuidFactory.recreateUUID(upgradeID);
      }


      tc.setProperty(DataDictionary.DATABASE_ID, databaseID, true);
    }

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    this.indexable = indexable;
    this.indexRowGenerator = indexRowGenerator;
    this.forConstraint = forConstraint;
    if (uuid == null)
    {
      UUIDFactory uuidFactory = Monitor.getMonitor().getUUIDFactory();
      uuid = uuidFactory.createUUID();
    }
    this.uuid = uuid;
    this.tableID = tableID;
    this.schemaID = schemaID;
  }

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  private void initializeCoreInfo()
    throws StandardException
  {
    TabInfoImpl[] lcoreInfo = coreInfo = new TabInfoImpl[NUM_CORE];


    UUIDFactory luuidFactory = uuidFactory;


    lcoreInfo[SYSTABLES_CORE_NUM] = 
      new TabInfoImpl(new SYSTABLESRowFactory(luuidFactory, exFactory, dvf));
    lcoreInfo[SYSCOLUMNS_CORE_NUM] = 
      new TabInfoImpl(new SYSCOLUMNSRowFactory(luuidFactory, exFactory, dvf));

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      // load it into the array. There is a small chance that
      // two threads will do this at the same time. The code will
      // work properly in that case, since storing a reference
      // is atomic (although we could get extra object instantiation
      // if two threads come through here at the same time.
      UUIDFactory luuidFactory = uuidFactory;


      switch (catalogNumber)
      {
        case SYSCONSTRAINTS_CATALOG_NUM:
        retval = new TabInfoImpl(new SYSCONSTRAINTSRowFactory(

View Full Code Here


  public void  boot(boolean create, Properties startParams)
    throws StandardException
  {
    // Find the UUID factory.
    UUIDFactory uuidFactory = Monitor.getMonitor().getUUIDFactory();


    // Make a UUID that identifies this sort's format.
    formatUUID = uuidFactory.recreateUUID(FORMATUUIDSTRING);


    // See if there's a new maximum sort buffer size.
    defaultSortBufferMax = PropertyUtil.getSystemInt("derby.storage.sortBufferMax",
                0, Integer.MAX_VALUE, 0);

View Full Code Here

        "Wrong number of columns for a SYSSTATISTICS row");
    }


    DataValueDescriptor col;
    String scratch;
    UUIDFactory uuidFactory = getUUIDFactory();
    UUID statUUID, statReferenceUUID, statTableUUID;
    String statName;
    
    /* 1st column is UUID */
    col = row.getColumn(SYSSTATISTICS_ID);
    scratch = col.getString();
    statUUID = uuidFactory.recreateUUID(scratch);


    /* 2nd column is reference UUID */
    col = row.getColumn(SYSSTATISTICS_REFERENCEID);
    scratch = col.getString();
    statReferenceUUID = uuidFactory.recreateUUID(scratch);


    /* 3rd column is table UUID */
    col = row.getColumn(SYSSTATISTICS_TABLEID);
    scratch = col.getString();
    statTableUUID = uuidFactory.recreateUUID(scratch);


    /* 4th column is timestamp */
    col = row.getColumn(SYSSTATISTICS_TIMESTAMP);
    Timestamp updateTime = (Timestamp) col.getObject();

View Full Code Here

  private void initializeCoreInfo()
    throws StandardException
  {
    TabInfoImpl[] lcoreInfo = coreInfo = new TabInfoImpl[NUM_CORE];


    UUIDFactory luuidFactory = uuidFactory;


    lcoreInfo[SYSTABLES_CORE_NUM] = 
      new TabInfoImpl(new SYSTABLESRowFactory(luuidFactory, exFactory, dvf));
    lcoreInfo[SYSCOLUMNS_CORE_NUM] = 
      new TabInfoImpl(new SYSCOLUMNSRowFactory(luuidFactory, exFactory, dvf));

View Full Code Here

      // load it into the array. There is a small chance that
      // two threads will do this at the same time. The code will
      // work properly in that case, since storing a reference
      // is atomic (although we could get extra object instantiation
      // if two threads come through here at the same time.
      UUIDFactory luuidFactory = uuidFactory;


      switch (catalogNumber)
      {
        case SYSCONSTRAINTS_CATALOG_NUM:
        retval = new TabInfoImpl(new SYSCONSTRAINTSRowFactory(

View Full Code Here

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Related Classes of org.apache.derby.iapi.services.uuid.UUIDFactory

org.apache.derby.iapi.sql.dictionary.CatalogRowFactory

org.apache.derby.iapi.sql.dictionary.ConglomerateDescriptor

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.SYSCOLUMNSRowFactory

org.apache.derby.impl.sql.catalog.SYSSTATISTICSRowFactory

org.apache.derby.impl.sql.execute.BaseActivation

org.apache.derby.impl.sql.execute.CreateConstraintConstantAction

org.apache.derby.impl.sql.GenericPreparedStatement

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