Examples of org.hibernate.LockMode

org.hibernate.LockMode
Instances represent a lock mode for a row of a relational database table. It is not intended that users spend much time worrying about locking since Hibernate usually obtains exactly the right lock level automatically. Some "advanced" users may wish to explicitly specify lock levels. @see Session#lock(Object,LockMode) @author Gavin King


    String entityName = HbmBinder.getEntityName(returnElem, mappings);
    if(entityName==null) {
      throw new MappingException( "<return alias='" + alias + "'> must specify either a class or entity-name");
    }
    LockMode lockMode = getLockMode( returnElem.attributeValue( "lock-mode" ) );


    PersistentClass pc = mappings.getClass( entityName );
    java.util.Map propertyResults = bindPropertyResults(alias, returnElem, pc, mappings );


    return new NativeSQLQueryRootReturn(

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  }


  private static NativeSQLQueryJoinReturn bindReturnJoin(Element returnElem, Mappings mappings) {
    String alias = returnElem.attributeValue( "alias" );
    String roleAttribute = returnElem.attributeValue( "property" );
    LockMode lockMode = getLockMode( returnElem.attributeValue( "lock-mode" ) );
    int dot = roleAttribute.lastIndexOf( '.' );
    if ( dot == -1 ) {
      throw new MappingException(
          "Role attribute for sql query return [alias=" + alias +
          "] not formatted correctly {owningAlias.propertyName}"

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  }


  private static NativeSQLQueryCollectionReturn bindLoadCollection(Element returnElem, Mappings mappings) {
    String alias = returnElem.attributeValue( "alias" );
    String collectionAttribute = returnElem.attributeValue( "role" );
    LockMode lockMode = getLockMode( returnElem.attributeValue( "lock-mode" ) );
    int dot = collectionAttribute.lastIndexOf( '.' );
    if ( dot == -1 ) {
      throw new MappingException(
          "Collection attribute for sql query return [alias=" + alias +
          "] not formatted correctly {OwnerClassName.propertyName}"

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    if ( lockOptions.getAliasLockCount() == 0
        && ( lockOptions.getLockMode() == null || LockMode.NONE.equals( lockOptions.getLockMode() ) ) ) {
      return defaultLockModes;
    }
    //FIXME fix the alias issue: could be that the "default" lock mode in LockOptions does that already
    LockMode lockMode = lockOptions.getEffectiveLockMode( "dummyaliasaswedon'thaveany" );
    if ( lockMode == null ) {
      //NONE, because its the requested lock mode, not the actual!
      lockMode = LockMode.NONE;
    }
    return new LockMode[] { lockMode };

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    //need to hydrate it.


    // grab its state from the ResultSet and keep it in the Session
    // (but don't yet initialize the object itself)
    // note that we acquire LockMode.READ even if it was not requested
    LockMode acquiredLockMode = lockMode == LockMode.NONE ? LockMode.READ : lockMode;
    loadFromResultSet(
        resultset,
        i,
        object,
        instanceClass,

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   *
   * @param lockOptions contains the lock mode to apply.
   * @return The appropriate for update fragment.
   */
  public String getForUpdateString(LockOptions lockOptions) {
        LockMode lockMode = lockOptions.getLockMode();
        return getForUpdateString( lockMode, lockOptions.getTimeOut() );
  }

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      lockModes.put( getSQLAlias( subcriteria ), me.getValue() );
    }
    iter = rootCriteria.iterateSubcriteria();
    while ( iter.hasNext() ) {
      CriteriaImpl.Subcriteria subcriteria = ( CriteriaImpl.Subcriteria ) iter.next();
      LockMode lm = subcriteria.getLockMode();
      if ( lm != null ) {
        lockModes.put( getSQLAlias( subcriteria ), lm );
      }
    }

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    final Map aliasedLockModes = new HashMap();
    final Map keyColumnNames = dialect.forUpdateOfColumns() ? new HashMap() : null;
    final String[] drivingSqlAliases = getAliases();
    for ( int i = 0; i < drivingSqlAliases.length; i++ ) {
      final LockMode lockMode = ( LockMode ) lockModes.get( drivingSqlAliases[i] );
      if ( lockMode != null ) {
        final Lockable drivingPersister = ( Lockable ) getEntityPersisters()[i];
        final String rootSqlAlias = drivingPersister.getRootTableAlias( drivingSqlAliases[i] );
        aliasedLockModes.put( rootSqlAlias, lockMode );
        if ( keyColumnNames != null ) {

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      return null;
    }
    final int size = entityAliases.length;
    LockMode[] lockModesArray = new LockMode[size];
    for ( int i=0; i<size; i++ ) {
      LockMode lockMode = (LockMode) lockModes.get( entityAliases[i] );
      lockModesArray[i] = lockMode==null ? LockMode.NONE : lockMode;
    }
    return lockModesArray;
  }

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    Iterator itr = aliasedLockModes.entrySet().iterator();
    StringBuffer buffer = new StringBuffer( sql );
    int correction = 0;
    while ( itr.hasNext() ) {
      final Map.Entry entry = ( Map.Entry ) itr.next();
      final LockMode lockMode = ( LockMode ) entry.getValue();
      if ( lockMode.greaterThan( LockMode.READ ) ) {
        final String alias = ( String ) entry.getKey();
        int start = -1, end = -1;
        if ( sql.endsWith( " " + alias ) ) {
          start = ( sql.length() - alias.length() ) + correction;
          end = start + alias.length();

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