Examples of javax.jdo.Query.declareImports()

javax.jdo.Query.declareImports()
Set the import statements to be used to identify the fully qualified name of variables or parameters. Parameters and unbound variables might come from a different class from the candidate class, and the names need to be declared in an import statement to eliminate ambiguity. Import statements are specified as a String with semicolon-separated statements.
The String parameter to this method follows the syntax of the import statement of the Java language. @param imports import statements separated by semicolons.

  public static Unit unitByName(String unitName, Key orgKey, Key ignoreKey)
  {
    PersistenceManager pm = PMF.get().getPersistenceManager();
    
    Query query = pm.newQuery(Unit.class);
    query.declareImports("import com.google.appengine.api.datastore.Key");
    
    if (ignoreKey == null)
    {
      query.setFilter("name == nameParam && organisationKey == organisationKeyParam");
      query.declareParameters("String nameParam, Key organisationKeyParam");

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  public static Collection<Booking> bookingsForUnit(Unit unit, Event event)
  {
    PersistenceManager pm = PMF.get().getPersistenceManager();
    
    Query query = pm.newQuery(Booking.class);
    query.declareImports("import com.google.appengine.api.datastore.Key");
    query.setOrdering("name");
    query.setFilter("unitKey == unitKeyParam && eventKey == eventKeyParam");
    query.declareParameters("Key unitKeyParam, Key eventKeyParam");
    
    return queryDetachAndClose(Booking.class, query, false, unit.getKeyCheckNotNull(), event.getKeyCheckNotNull());

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  public static Collection<Booking> bookingsForUnitAllEvents(Unit unit)
  {
    PersistenceManager pm = PMF.get().getPersistenceManager();
    
    Query query = pm.newQuery(Booking.class);
    query.declareImports("import com.google.appengine.api.datastore.Key");
    query.setOrdering("name");
    query.setFilter("unitKey == unitKeyParam");
    query.declareParameters("Key unitKeyParam");
    
    return queryDetachAndClose(Booking.class, query, false, unit.getKeyCheckNotNull());

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    Collection<Key> keysForOrg = CollectionUtils.collect(unitsForOrg(org.getKey(), false, true), new KeyBasedData.ToKey());
    
    PersistenceManager pm = PMF.get().getPersistenceManager();
    
    Query query = pm.newQuery(Booking.class);
    query.declareImports("import com.google.appengine.api.datastore.Key; import java.util.Collection");
    query.setOrdering("name");
    query.setFilter("unitKeysParam.contains(unitKey) && eventKey == eventKeyParam");
    query.declareParameters("Collection unitKeysParam, Key eventKeyParam");
    
    return batchQuery(query, keysForOrg, event.getKeyCheckNotNull());

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    if (village == null) throw new IllegalArgumentException("Cannot retrieve booking for a null village. To find homeless bookings, call bookingsHomeless() instead.");
    
    PersistenceManager pm = PMF.get().getPersistenceManager();
    
    Query query = pm.newQuery(Booking.class);
    query.declareImports("import com.google.appengine.api.datastore.Key");
    query.setOrdering("name");
    query.setFilter("villageKey == villageKeyParam");
    query.declareParameters("Key villageKeyParam");
    
    return queryDetachAndClose(Booking.class, query, false, village.getKeyCheckNotNull());

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    if (event == null) throw new IllegalArgumentException("Cannot retrieve homeless bookings for a null event.");
    
    PersistenceManager pm = PMF.get().getPersistenceManager();
    
    Query query = pm.newQuery(Booking.class);
    query.declareImports("import com.google.appengine.api.datastore.Key");
    query.setOrdering("name");
    query.setFilter("eventKey == eventKeyParam && villageKey == null");
    query.declareParameters("Key eventKeyParam");
    
    return queryDetachAndClose(Booking.class, query, false, event.getKeyCheckNotNull());

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    if (event == null) throw new IllegalArgumentException("Cannot retrieve bookings for a null event.");
    
    PersistenceManager pm = PMF.get().getPersistenceManager();
    
    Query query = pm.newQuery(Booking.class);
    query.declareImports("import com.google.appengine.api.datastore.Key");
    query.setOrdering("name");
    query.setFilter("eventKey == eventKeyParam");
    query.declareParameters("Key eventKeyParam");
    
    return queryDetachAndClose(Booking.class, query, true, event.getKeyCheckNotNull());

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    if (eventKey == null) throw new IllegalArgumentException("Cannot retrieve bookings for an empty event.");
    
    PersistenceManager pm = PMF.get().getPersistenceManager();
    
    Query query = pm.newQuery(Booking.class);
    query.declareImports("import com.google.appengine.api.datastore.Key; import com.google.appengine.api.datastore.Email");
    query.setOrdering("name");
    query.setFilter("eventKey == eventKeyParam && email == emailParam");
    query.declareParameters("Key eventKeyParam, Email emailParam");
    
    return queryDetachAndClose(Booking.class, query, false, eventKey,email);

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    if (name == null) throw new IllegalArgumentException("Cannot retrieve bookings for an empty name.");
    
    PersistenceManager pm = PMF.get().getPersistenceManager();
    
    Query query = pm.newQuery(Booking.class);
    query.declareImports("import com.google.appengine.api.datastore.Key");
    query.setOrdering("name");
    query.setFilter("name == nameParam");
    query.declareParameters("Key nameParam");
    
    return queryDetachAndClose(Booking.class, query, false, name);

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  public static Collection<uk.org.woodcraft.bookings.datamodel.Transaction> transactionsForUnit(Unit unit, Event event)
  {
    PersistenceManager pm = PMF.get().getPersistenceManager();
    
    Query query = pm.newQuery(uk.org.woodcraft.bookings.datamodel.Transaction.class);
    query.declareImports("import com.google.appengine.api.datastore.Key");
    query.setOrdering("timestamp");
    query.setFilter("unitKey == unitKeyParam && eventKey == eventKeyParam");
    query.declareParameters("Key unitKeyParam, Key eventKeyParam");
    
    return queryDetachAndClose(uk.org.woodcraft.bookings.datamodel.Transaction.class, query, false, unit.getKeyCheckNotNull(), event.getKeyCheckNotNull());

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