How to use

getMaximumFetchDepth

method

in

org.hibernate.cfg.Settings

private boolean isOuterJoinFetchingDisabled() {
  return new Integer(0).equals( sessionFactory().getSettings().getMaximumFetchDepth() );
}

protected FetchStrategy adjustJoinFetchIfNeeded(
    AssociationAttributeDefinition attributeDefinition, FetchStrategy fetchStrategy) {
  if ( lockMode.greaterThan( LockMode.READ ) ) {
    return new FetchStrategy( fetchStrategy.getTiming(), FetchStyle.SELECT );
  }
  final Integer maxFetchDepth = sessionFactory().getSettings().getMaximumFetchDepth();
  if ( maxFetchDepth != null && currentDepth() > maxFetchDepth ) {
    return new FetchStrategy( fetchStrategy.getTiming(), FetchStyle.SELECT );
  }
  if ( attributeDefinition.getType().isCollectionType() && isTooManyCollections() ) {
    // todo : have this revert to batch or subselect fetching once "sql gen redesign" is in place
    return new FetchStrategy( fetchStrategy.getTiming(), FetchStyle.SELECT );
  }
  return fetchStrategy;
}

protected boolean isTooDeep(int currentDepth) {
  Integer maxFetchDepth = getFactory().getSettings().getMaximumFetchDepth();
  return maxFetchDepth!=null && currentDepth >= maxFetchDepth.intValue();
}
 

protected boolean isTooDeep(int currentDepth) {
  Integer maxFetchDepth = getFactory().getSettings().getMaximumFetchDepth();
  return maxFetchDepth!=null && currentDepth >= maxFetchDepth.intValue();
}

protected boolean isTooDeep(int currentDepth) {
  Integer maxFetchDepth = getFactory().getSettings().getMaximumFetchDepth();
  return maxFetchDepth!=null && currentDepth >= maxFetchDepth.intValue();
}

protected boolean isTooDeep(int currentDepth) {
  Integer maxFetchDepth = getFactory().getSettings().getMaximumFetchDepth();
  return maxFetchDepth!=null && currentDepth >= maxFetchDepth.intValue();
}

/**
 * Should we join this association?
 */
protected boolean isJoinable(
  final int joinType,
  final Set visitedAssociationKeys, 
  final String lhsTable,
  final String[] lhsColumnNames,
  final AssociationType type,
  final int depth
) {
  if (joinType<0) return false;
  
  if (joinType==JoinFragment.INNER_JOIN) return true;
  
  Integer maxFetchDepth = getFactory().getSettings().getMaximumFetchDepth();
  final boolean tooDeep = maxFetchDepth!=null && 
    depth >= maxFetchDepth.intValue();
  
  return !tooDeep && !isDuplicateAssociation(lhsTable, lhsColumnNames, type);
}
 

/**
 * Should we join this association?
 */
protected boolean isJoinable(
    final JoinType joinType,
    final Set visitedAssociationKeys,
    final String lhsTable,
    final String[] lhsColumnNames,
    final AssociationType type,
    final int depth) {
  if ( joinType == JoinType.NONE ) {
    return false;
  }
  
  if ( joinType == JoinType.INNER_JOIN ) {
    return true;
  }
  Integer maxFetchDepth = getFactory().getSettings().getMaximumFetchDepth();
  final boolean tooDeep = maxFetchDepth!=null && depth >= maxFetchDepth.intValue();
  
  return !tooDeep && !isDuplicateAssociation(lhsTable, lhsColumnNames, type);
}

/**
 * Should we join this association?
 */
protected boolean isJoinable(
    final JoinType joinType,
    final Set visitedAssociationKeys,
    final String lhsTable,
    final String[] lhsColumnNames,
    final AssociationType type,
    final int depth) {
  if ( joinType == JoinType.NONE ) {
    return false;
  }
  
  if ( joinType == JoinType.INNER_JOIN ) {
    return true;
  }
  Integer maxFetchDepth = getFactory().getSettings().getMaximumFetchDepth();
  final boolean tooDeep = maxFetchDepth!=null && depth >= maxFetchDepth.intValue();
  
  return !tooDeep && !isDuplicateAssociation(lhsTable, lhsColumnNames, type);
}

/**
 * Should we join this association?
 */
protected boolean isJoinable(
  final int joinType,
  final Set visitedAssociationKeys, 
  final String lhsTable,
  final String[] lhsColumnNames,
  final AssociationType type,
  final int depth
) {
  if (joinType<0) return false;
  
  if (joinType==JoinFragment.INNER_JOIN) return true;
  
  Integer maxFetchDepth = getFactory().getSettings().getMaximumFetchDepth();
  final boolean tooDeep = maxFetchDepth!=null && 
    depth >= maxFetchDepth.intValue();
  
  return !tooDeep && !isDuplicateAssociation(
    visitedAssociationKeys, 
    lhsTable, 
    lhsColumnNames, 
    type
  );    
}