Examples of com.google.appengine.api.datastore.Query$CompositeFilter

Package com.google.appengine.api.datastore

Examples of com.google.appengine.api.datastore.Query$CompositeFilter

com.google.appengine.api.datastore.Query

A {@link Filter} that combines several sub filters using a {@link CompositeFilterOperator}. For example, to construct a filter of the form a = 1 AND (b = 2 OR c = 3) use:

  {@code new CompositeFilter(CompositeFilterOperator.AND, Arrays.asList( new FilterPredicate("a", FilterOperator.EQUAL, 1), new CompositeFilter(CompositeFilterOperator.OR, Arrays.asList( new FilterPredicate("b", FilterOperator.EQUAL, 2), new FilterPredicate("c", FilterOperator.EQUAL, 3)))));}

  {@code CompositeFilterOperator.and( FilterOperator.EQUAL.of("a", 1), CompositeFilterOperator.or( FilterOperator.EQUAL.of("b", 2), FilterOperator.EQUAL.of("c", 3)));}

  }


  @Override
  public List<ContentEntity> select(final String parentClass, 
      final Long parentKey) {
    Query q = newQuery();
    q.addFilter("parentClass", FilterOperator.EQUAL, parentClass);
    q.addFilter("parentKey", FilterOperator.EQUAL, parentKey);
    return select(q, "select", params(parentClass, parentKey));
  }

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  }
  
  @Override
  public ContentEntity getByLanguage(final String parentClass, 
      final Long parentKey, final String language) {
    Query q = newQuery();
    q.addFilter("parentClass", FilterOperator.EQUAL, parentClass);
    q.addFilter("parentKey", FilterOperator.EQUAL, parentKey);
    q.addFilter("languageCode", FilterOperator.EQUAL, language);
    return selectOne(q, "getByLanguage", params(parentClass, parentKey, 
        language));
  }

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        language));
  }


  @Override
  public void removeById(String className, Long id) {
    Query q = newQuery();
    q.addFilter("parentClass", FilterOperator.EQUAL, className);
    q.addFilter("parentKey", FilterOperator.EQUAL, id);
    removeSelected(q);
  }

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  public LanguageDaoImpl() {
    super(LanguageEntity.class);
  }


  public LanguageEntity getByCode(final String code) {
    Query q = newQuery();
    q.addFilter("code", FilterOperator.EQUAL, code);
    return selectOne(q, "getByCode", params(code));
  }

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    super(MessageEntity.class);
  }


  @Override
  public List<MessageEntity> selectByCode(final String code) {
    Query q = newQuery();
    q.addFilter("code", FilterOperator.EQUAL, code);
    return select(q, "selectByCode", params(code));
  }

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  }
  
  @Override
  public MessageEntity getByCode(final String code, 
      final String languageCode) {
    Query q = newQuery();
    q.addFilter("code", FilterOperator.EQUAL, code);
    q.addFilter("languageCode", FilterOperator.EQUAL, languageCode);
    return selectOne(q, "getByCode", params(code, languageCode));
  }

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    return selectOne(q, "getByCode", params(code, languageCode));
  }


  @Override
  public List<MessageEntity> select(final String languageCode) {
    Query q = newQuery();
    q.addFilter("languageCode", FilterOperator.EQUAL, languageCode);
    return select(q, "select", params(languageCode));
  }

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    super(CommentEntity.class);
  }


  @Override
  public List<CommentEntity> getByPage(final String pageUrl) {
    Query q = newQuery();
    q.addFilter("pageUrl", EQUAL, pageUrl);
    List<CommentEntity> result = select(q, "getByPage", params(pageUrl));
    Collections.sort(result, new CommentHelper.PublishDateDesc());
    return result;
  }

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    }
  }


  @Override
  public List<CommentEntity> getByPage(String pageUrl, boolean disabled) {
    Query q = newQuery();
    q.addFilter("pageUrl", EQUAL, pageUrl);
    q.addFilter("disabled", EQUAL, disabled);
    List<CommentEntity> result = select(q, "getByPage", params(pageUrl, 
        disabled));
    Collections.sort(result, new CommentHelper.PublishDateDesc());
    return result;
  }

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    return result;
  }


  @Override
  public void removeByPage(String url) {
    Query q = newQuery();
    q.addFilter("pageUrl", EQUAL, url);
    removeSelected(q);
  }

View Full Code Here

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