Examples of com.google.appengine.api.datastore.Query.addFilter()

Package com.google.appengine.api.datastore

Class com.google.appengine.api.datastore.Query

Examples of com.google.appengine.api.datastore.Query.addFilter()

com.google.appengine.api.datastore.Query.addFilter()
.com/appengine/docs/java/datastore"> datastore documentation. @return {@code this} (for chaining) @throws NullPointerException If {@code propertyName} or {@code operator}is null. @throws IllegalArgumentException If {@code value} is not of atype supported by the datastore. See {@link DataTypeUtils#isSupportedType(Class)}. Note that unlike {@link Entity#setProperty(String,Object)}, you cannot provide a {@link Collection} containing instances of supported typesto this method. @deprecated Use {@link #setFilter(Filter)}

  }


  @Override
  public List<UserGroupEntity> selectByGroup(Long groupId) {
    Query q = newQuery();
    q.addFilter("groupId", EQUAL, groupId);
    return select(q, "selectByGroup", params(groupId));
  }


  @Override
  public UserGroupEntity getByUserGroup(Long groupId, Long userId) {

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  }


  @Override
  public UserGroupEntity getByUserGroup(Long groupId, Long userId) {
    Query q = newQuery();
    q.addFilter("userId", EQUAL, userId);
    q.addFilter("groupId", EQUAL, groupId);
    return selectOne(q, "getByUserGroup", params(groupId, userId));
  }


  @Override

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  @Override
  public UserGroupEntity getByUserGroup(Long groupId, Long userId) {
    Query q = newQuery();
    q.addFilter("userId", EQUAL, userId);
    q.addFilter("groupId", EQUAL, groupId);
    return selectOne(q, "getByUserGroup", params(groupId, userId));
  }


  @Override
  public void removeByGroup(List<Long> groupIds) {

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            // Vaadin stuff first
            {
                Query q = new Query(AC_BASE);
                q.setKeysOnly();


                q.addFilter(PROPERTY_EXPIRES,
                        FilterOperator.LESS_THAN_OR_EQUAL, expire);
                PreparedQuery pq = ds.prepare(q);
                List<Entity> entities = pq.asList(Builder
                        .withLimit(CLEANUP_LIMIT));
                if (entities != null) {

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            }
            // Also cleanup GAE sessions
            {
                Query q = new Query(APPENGINE_SESSION_KIND);
                q.setKeysOnly();
                q.addFilter(PROPERTY_APPENGINE_EXPIRES,
                        FilterOperator.LESS_THAN_OR_EQUAL, expire);
                PreparedQuery pq = ds.prepare(q);
                List<Entity> entities = pq.asList(Builder
                        .withLimit(CLEANUP_LIMIT));
                if (entities != null) {

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    return ciol;
  }


  public List<CourseInformationObject> getCourseList(DepartmentInformationObject dio) {
    Query q = new Query(COURSE_KIND);
    q.addFilter(DEPARTMENT_ID_PROPERTY, FilterOperator.EQUAL, dio.getDepartmentId());
    q.addSort(DEPARTMENT_ID_PROPERTY, SortDirection.ASCENDING);
    q.addSort(COURSE_ID_PROPERTY, SortDirection.ASCENDING);
    List<Entity> cel = datastore.prepare(q).asList(FetchOptions.Builder.withDefaults());
    List<CourseInformationObject> ciol = new ArrayList<CourseInformationObject>();
    for (Iterator i = cel.iterator(); i.hasNext();) {

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    return siol;
  }


  public List<SectionInformationObject> getSectionList(CourseInformationObject cio) {
    Query q = new Query(SECTION_KIND);
    q.addFilter(DEPARTMENT_ID_PROPERTY, FilterOperator.EQUAL, cio.getDepartmentId());
    q.addFilter(COURSE_ID_PROPERTY, FilterOperator.EQUAL, cio.getCourseId());
    q.addSort(DEPARTMENT_ID_PROPERTY, SortDirection.ASCENDING);
    q.addSort(COURSE_ID_PROPERTY, SortDirection.ASCENDING);
    q.addSort(SECTION_ID_PROPERTY, SortDirection.ASCENDING);    
    List<Entity> sel = datastore.prepare(q).asList(FetchOptions.Builder.withDefaults());

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  }


  public List<SectionInformationObject> getSectionList(CourseInformationObject cio) {
    Query q = new Query(SECTION_KIND);
    q.addFilter(DEPARTMENT_ID_PROPERTY, FilterOperator.EQUAL, cio.getDepartmentId());
    q.addFilter(COURSE_ID_PROPERTY, FilterOperator.EQUAL, cio.getCourseId());
    q.addSort(DEPARTMENT_ID_PROPERTY, SortDirection.ASCENDING);
    q.addSort(COURSE_ID_PROPERTY, SortDirection.ASCENDING);
    q.addSort(SECTION_ID_PROPERTY, SortDirection.ASCENDING);    
    List<Entity> sel = datastore.prepare(q).asList(FetchOptions.Builder.withDefaults());
    List<SectionInformationObject> siol = new ArrayList<SectionInformationObject>();

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  }


  private Key makeParentKey(CourseInformationObject cio) {
    Query q = new Query(DEPARTMENT_KIND);
    q.setKeysOnly();
    q.addFilter(DEPARTMENT_ID_PROPERTY, FilterOperator.EQUAL,
        cio.getDepartmentId());
    PreparedQuery pq = datastore.prepare(q);
    return pq.asSingleEntity().getKey();
  }

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  }


  private Key makeParentKey(SectionInformationObject sio) {
    Query q = new Query(COURSE_KIND);
    q.setKeysOnly();
    q.addFilter(DEPARTMENT_ID_PROPERTY, FilterOperator.EQUAL,
        sio.getDepartmentId());
    q.addFilter(COURSE_ID_PROPERTY, FilterOperator.EQUAL, sio.getCourseId());
    PreparedQuery pq = datastore.prepare(q);
    return pq.asSingleEntity().getKey();
  }

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