Package org.hibernate

Examples of org.hibernate.LockOptions

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    }
  }

  protected String generateLockString(int lockTimeout) {
    SessionFactoryImplementor factory = getLockable().getFactory();
    LockOptions lockOptions = new LockOptions( getLockMode() );
    lockOptions.setTimeOut( lockTimeout );
    SimpleSelect select = new SimpleSelect( factory.getDialect() )
        .setLockOptions( lockOptions )
        .setTableName( getLockable().getRootTableName() )
        .addColumn( getLockable().getRootTableIdentifierColumnNames()[0] )
        .addCondition( getLockable().getRootTableIdentifierColumnNames(), "=?" );
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  /**
   * Load an instance using either the <tt>forUpdateLoader</tt> or the outer joining <tt>loader</tt>,
   * depending upon the value of the <tt>lock</tt> parameter
   */
  public Object load(Serializable id, Object optionalObject, LockMode lockMode, SessionImplementor session) {
    return load( id, optionalObject, new LockOptions().setLockMode(lockMode), session );
  }
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    }
  }

  protected String generateLockString(int lockTimeout) {
    SessionFactoryImplementor factory = getLockable().getFactory();
    LockOptions lockOptions = new LockOptions( getLockMode() );
    lockOptions.setTimeOut( lockTimeout );
    SimpleSelect select = new SimpleSelect( factory.getDialect() )
        .setLockOptions( lockOptions )
        .setTableName( getLockable().getRootTableName() )
        .addColumn( getLockable().getRootTableIdentifierColumnNames()[0] )
        .addCondition( getLockable().getRootTableIdentifierColumnNames(), "=?" );
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    }
  }

  protected String generateLockString(int timeout) {
    SessionFactoryImplementor factory = getLockable().getFactory();
    LockOptions lockOptions = new LockOptions( getLockMode() );
    lockOptions.setTimeOut( timeout );
    SimpleSelect select = new SimpleSelect( factory.getDialect() )
        .setLockOptions( lockOptions )
        .setTableName( getLockable().getRootTableName() )
        .addColumn( getLockable().getRootTableIdentifierColumnNames()[0] )
        .addCondition( getLockable().getRootTableIdentifierColumnNames(), "=?" );
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  protected String buildSelectQuery(Dialect dialect) {
    final String alias = "tbl";
    String query = "select " + StringHelper.qualify( alias, valueColumnName ) +
        " from " + tableName + ' ' + alias +
        " where " + StringHelper.qualify( alias, segmentColumnName ) + "=?";
    LockOptions lockOptions = new LockOptions( LockMode.PESSIMISTIC_WRITE );
    lockOptions.setAliasSpecificLockMode( alias, LockMode.PESSIMISTIC_WRITE );
    Map updateTargetColumnsMap = Collections.singletonMap( alias, new String[] { valueColumnName } );
    return dialect.applyLocksToSql( query, lockOptions, updateTargetColumnsMap );
  }
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  }

  private class LockRequestImpl implements LockRequest {
    private final LockOptions lockOptions;
    private LockRequestImpl(LockOptions lo) {
      lockOptions = new LockOptions();
      LockOptions.copy(lo, lockOptions);
    }
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    }
  }


  protected void initPersisters(final List associations, final LockMode lockMode) throws MappingException {
    initPersisters( associations, new LockOptions(lockMode));
  }
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  public CriteriaImpl getRootCriteria() {
    return rootCriteria;
  }

  public QueryParameters getQueryParameters() {
    LockOptions lockOptions = new LockOptions();
    RowSelection selection = new RowSelection();
    selection.setFirstRow( rootCriteria.getFirstResult() );
    selection.setMaxRows( rootCriteria.getMaxResults() );
    selection.setTimeout( rootCriteria.getTimeout() );
    selection.setFetchSize( rootCriteria.getFetchSize() );

    Iterator iter = rootCriteria.getLockModes().entrySet().iterator();
    while ( iter.hasNext() ) {
      Map.Entry me = ( Map.Entry ) iter.next();
      final Criteria subcriteria = getAliasedCriteria( ( String ) me.getKey() );
      lockOptions.setAliasSpecificLockMode( getSQLAlias( subcriteria ), (LockMode)me.getValue() );
    }
    List values = new ArrayList();
    List types = new ArrayList();
    iter = rootCriteria.iterateSubcriteria();
    while ( iter.hasNext() ) {
      CriteriaImpl.Subcriteria subcriteria = ( CriteriaImpl.Subcriteria ) iter.next();
      LockMode lm = subcriteria.getLockMode();
      if ( lm != null ) {
        lockOptions.setAliasSpecificLockMode( getSQLAlias( subcriteria ), lm );
      }
      if ( subcriteria.getWithClause() != null )
      {
        TypedValue[] tv = subcriteria.getWithClause().getTypedValues( subcriteria, this );
        for ( int i = 0; i < tv.length; i++ ) {
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          st.setFetchSize( selection.getFetchSize().intValue() );
        }
      }

      // handle lock timeout...
      LockOptions lockOptions = queryParameters.getLockOptions();
      if ( lockOptions != null ) {
        if ( lockOptions.getTimeOut() != LockOptions.WAIT_FOREVER ) {
                    if (!dialect.supportsLockTimeouts()) LOG.debugf("Lock timeout [%s] requested but dialect reported to not support lock timeouts",
                                                                    lockOptions.getTimeOut());
                    else if (dialect.isLockTimeoutParameterized()) st.setInt(col++, lockOptions.getTimeOut());
        }
      }

      LOG.tracev( "Bound [{0}] parameters total", col );
    }
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          st.setFetchSize( selection.getFetchSize() );
        }
      }

      // handle lock timeout...
      LockOptions lockOptions = queryParameters.getLockOptions();
      if ( lockOptions != null ) {
        if ( lockOptions.getTimeOut() != LockOptions.WAIT_FOREVER ) {
          if ( !dialect.supportsLockTimeouts() ) {
            if ( LOG.isDebugEnabled() ) {
              LOG.debugf(
                  "Lock timeout [%s] requested but dialect reported to not support lock timeouts",
                  lockOptions.getTimeOut()
              );
            }
          }
          else if ( dialect.isLockTimeoutParameterized() ) {
            st.setInt( col++, lockOptions.getTimeOut() );
          }
        }
      }

      LOG.tracev( "Bound [{0}] parameters total", col );
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Related Classes of org.hibernate.LockOptions

  • org.hibernate.cfg.annotations.QueryBinder
  • org.hibernate.cfg.annotations.QueryHintDefinition
  • org.hibernate.dialect.Dialect
  • org.hibernate.dialect.lock.PessimisticReadSelectLockingStrategy
  • org.hibernate.dialect.lock.PessimisticWriteSelectLockingStrategy
  • org.hibernate.dialect.lock.SelectLockingStrategy
  • org.hibernate.ejb.AbstractEntityManagerImpl
  • org.hibernate.engine.spi.NamedQueryDefinition
  • org.hibernate.event.LoadEvent
  • org.hibernate.event.LockEvent
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