Package com.amazonaws.services.dynamodbv2.model

Examples of com.amazonaws.services.dynamodbv2.model.QueryResult

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    attributeValueList.add(createNumberAttribute(3));
    rangeKeyCondition.setAttributeValueList(attributeValueList);
    rangeKeyCondition.setComparisonOperator(ComparisonOperator.BETWEEN);
    request.getKeyConditions().put("range", rangeKeyCondition);

        QueryResult result = getClient().query(request);

        Assert.assertNotNull("Null result.", result);
    Assert.assertNotNull("No items returned.", result.getItems());
        Assert.assertEquals("Should return two items.", 2, result.getItems().size());
  }
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    attributeValueList.add(createNumberAttribute(1));
    rangeKeyCondition.setAttributeValueList(attributeValueList);
    rangeKeyCondition.setComparisonOperator(ComparisonOperator.BEGINS_WITH);
    request.getKeyConditions().put("range", rangeKeyCondition);

        QueryResult result = getClient().query(request);

        Assert.assertNotNull("Null result.", result);
    Assert.assertNotNull("No items returned.", result.getItems());
        // NOTE: BEGINS_WITH is currently a string comparison, so "11" begins with "1".
        Assert.assertEquals("Should return two items.", 2, result.getItems().size());
    for (Map<String, AttributeValue> item : result.getItems()) {
      Assert.assertTrue(
                    item.get("range").getN().startsWith("1")
                    );
    }
  }
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    attributeValueList.add(createNumberAttribute(1));
    rangeKeyCondition.setAttributeValueList(attributeValueList);
    rangeKeyCondition.setComparisonOperator(ComparisonOperator.CONTAINS);
    request.getKeyConditions().put("range", rangeKeyCondition);

        QueryResult result = getClient().query(request);

        Assert.assertNotNull("Null result.", result);
    Assert.assertNotNull("No items returned.", result.getItems());
        // NOTE: CONTAINS is currently a string comparison, so "1", "11", "51" all contain "1".
        Assert.assertEquals("Should return three items.", 3, result.getItems().size());
    for (Map<String, AttributeValue> item : result.getItems()) {
      Assert.assertTrue(
                    item.get("range").getN().contains("1")
                    );
    }
  }
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    public <T> PaginatedQueryList<T> query(Class<T> clazz, DynamoDBQueryExpression<T> queryExpression, DynamoDBMapperConfig config) {
        config = mergeConfig(config);

        QueryRequest queryRequest = createQueryRequestFromExpression(clazz, queryExpression, config);

        QueryResult queryResult = db.query(applyUserAgent(queryRequest));
        return new PaginatedQueryList<T>(this, clazz, db, queryRequest, queryResult, config.getPaginationLoadingStrategy(), config);
    }
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    public <T> QueryResultPage<T> queryPage(Class<T> clazz, DynamoDBQueryExpression<T> queryExpression, DynamoDBMapperConfig config) {
        config = mergeConfig(config);

        QueryRequest queryRequest = createQueryRequestFromExpression(clazz, queryExpression, config);

        QueryResult scanResult = db.query(applyUserAgent(queryRequest));
        QueryResultPage<T> result = new QueryResultPage<T>();
        List<AttributeTransformer.Parameters<T>> parameters =
            toParameters(scanResult.getItems(), clazz, config);

        result.setResults(marshalIntoObjects(parameters));
        result.setLastEvaluatedKey(scanResult.getLastEvaluatedKey());

        return result;
    }
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        QueryRequest queryRequest = createQueryRequestFromExpression(clazz, queryExpression, config);
        queryRequest.setSelect(Select.COUNT);

        // Count queries can also be truncated for large datasets
        int count = 0;
        QueryResult queryResult = null;
        do {
            queryResult = db.query(applyUserAgent(queryRequest));
            count += queryResult.getCount();
            queryRequest.setExclusiveStartKey(queryResult.getLastEvaluatedKey());
        } while (queryResult.getLastEvaluatedKey() != null);

        return count;
    }
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    public <T> PaginatedQueryList<T> query(Class<T> clazz, DynamoDBQueryExpression<T> queryExpression, DynamoDBMapperConfig config) {
        config = mergeConfig(config);

        QueryRequest queryRequest = createQueryRequestFromExpression(clazz, queryExpression, config);

        QueryResult queryResult = db.query(applyUserAgent(queryRequest));
        return new PaginatedQueryList<T>(this, clazz, db, queryRequest, queryResult, config.getPaginationLoadingStrategy(), config);
    }
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    public <T> QueryResultPage<T> queryPage(Class<T> clazz, DynamoDBQueryExpression<T> queryExpression, DynamoDBMapperConfig config) {
        config = mergeConfig(config);

        QueryRequest queryRequest = createQueryRequestFromExpression(clazz, queryExpression, config);

        QueryResult scanResult = db.query(applyUserAgent(queryRequest));
        QueryResultPage<T> result = new QueryResultPage<T>();
        List<AttributeTransformer.Parameters<T>> parameters =
            toParameters(scanResult.getItems(), clazz, config);

        result.setResults(marshalIntoObjects(parameters));
        result.setLastEvaluatedKey(scanResult.getLastEvaluatedKey());

        return result;
    }
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        QueryRequest queryRequest = createQueryRequestFromExpression(clazz, queryExpression, config);
        queryRequest.setSelect(Select.COUNT);

        // Count queries can also be truncated for large datasets
        int count = 0;
        QueryResult queryResult = null;
        do {
            queryResult = db.query(applyUserAgent(queryRequest));
            count += queryResult.getCount();
            queryRequest.setExclusiveStartKey(queryResult.getLastEvaluatedKey());
        } while (queryResult.getLastEvaluatedKey() != null);

        return count;
    }
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    public <T> PaginatedQueryList<T> query(Class<T> clazz, DynamoDBQueryExpression<T> queryExpression, DynamoDBMapperConfig config) {
        config = mergeConfig(config);

        QueryRequest queryRequest = createQueryRequestFromExpression(clazz, queryExpression, config);

        QueryResult queryResult = db.query(applyUserAgent(queryRequest));
        return new PaginatedQueryList<T>(this, clazz, db, queryRequest, queryResult);
    }
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Related Classes of com.amazonaws.services.dynamodbv2.model.QueryResult

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  • com.amazonaws.ClientConfiguration
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  • com.amazonaws.services.dynamodbv2.datamodeling.ConversionSchemas$StandardItemConverter
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