How to use

initUnmappedFieldsQuery

method

in

org.eclipse.persistence.internal.descriptors.CascadeLockingPolicy

/**
* INTERNAL:
* Identify mapped and not mapped fields (should be done once).
* The result - either two non-empty Maps m_unmappedQueryKeyFields and m_mappedQueryKeyFields,
* or m_unmappedQueryKeyFields == null and m_mappedQueryKeyFields == m_queryKeyFields.
*/
public void initUnmappedFields(UnitOfWorkImpl uow) {
  if(!m_hasCheckedForUnmappedFields) {
    m_mappedQueryKeyFields = new HashMap<DatabaseField, DatabaseField>();
    m_unmappedQueryKeyFields = new HashMap<DatabaseField, DatabaseField>();
    Iterator<Map.Entry<DatabaseField, DatabaseField>> it = m_queryKeyFields.entrySet().iterator();
    while(it.hasNext()) {
      Map.Entry<DatabaseField, DatabaseField> entry = it.next();
      if(m_descriptor.getObjectBuilder().getMappingForField(entry.getValue()) == null) {
        m_unmappedQueryKeyFields.put(entry.getKey(), entry.getValue());
      } else {
        m_mappedQueryKeyFields.put(entry.getKey(), entry.getValue());
      }
    }
    if(m_unmappedQueryKeyFields.isEmpty()) {
      m_unmappedQueryKeyFields = null;
      m_mappedQueryKeyFields = m_queryKeyFields;
    }
    initUnmappedFieldsQuery(uow);
    m_hasCheckedForUnmappedFields = true;
  }
}

/**
* INTERNAL:
* Identify mapped and not mapped fields (should be done once).
* The result - either two non-empty Maps m_unmappedQueryKeyFields and m_mappedQueryKeyFields,
* or m_unmappedQueryKeyFields == null and m_mappedQueryKeyFields == m_queryKeyFields.
*/
public void initUnmappedFields(UnitOfWorkImpl uow) {
  if(!m_hasCheckedForUnmappedFields) {
    m_mappedQueryKeyFields = new HashMap<DatabaseField, DatabaseField>();
    m_unmappedQueryKeyFields = new HashMap<DatabaseField, DatabaseField>();
    Iterator<Map.Entry<DatabaseField, DatabaseField>> it = m_queryKeyFields.entrySet().iterator();
    while(it.hasNext()) {
      Map.Entry<DatabaseField, DatabaseField> entry = it.next();
      if(m_descriptor.getObjectBuilder().getMappingForField(entry.getValue()) == null) {
        m_unmappedQueryKeyFields.put(entry.getKey(), entry.getValue());
      } else {
        m_mappedQueryKeyFields.put(entry.getKey(), entry.getValue());
      }
    }
    if(m_unmappedQueryKeyFields.isEmpty()) {
      m_unmappedQueryKeyFields = null;
      m_mappedQueryKeyFields = m_queryKeyFields;
    }
    initUnmappedFieldsQuery(uow);
    m_hasCheckedForUnmappedFields = true;
  }
}

/**
* INTERNAL:
* Identify mapped and not mapped fields (should be done once).
* The result - either two non-empty Maps m_unmappedQueryKeyFields and m_mappedQueryKeyFields,
* or m_unmappedQueryKeyFields == null and m_mappedQueryKeyFields == m_queryKeyFields.
*/
public void initUnmappedFields(UnitOfWorkImpl uow) {
  if(!m_hasCheckedForUnmappedFields) {
    m_mappedQueryKeyFields = new HashMap<DatabaseField, DatabaseField>();
    m_unmappedQueryKeyFields = new HashMap<DatabaseField, DatabaseField>();
    Iterator<Map.Entry<DatabaseField, DatabaseField>> it = m_queryKeyFields.entrySet().iterator();
    while(it.hasNext()) {
      Map.Entry<DatabaseField, DatabaseField> entry = it.next();
      if(m_descriptor.getObjectBuilder().getMappingForField(entry.getValue()) == null) {
        m_unmappedQueryKeyFields.put(entry.getKey(), entry.getValue());
      } else {
        m_mappedQueryKeyFields.put(entry.getKey(), entry.getValue());
      }
    }
    if(m_unmappedQueryKeyFields.isEmpty()) {
      m_unmappedQueryKeyFields = null;
      m_mappedQueryKeyFields = m_queryKeyFields;
    }
    initUnmappedFieldsQuery(uow);
    m_hasCheckedForUnmappedFields = true;
  }
}