Package com.amazonaws.services.dynamodbv2.model

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

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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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    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>();
        result.setResults(marshallIntoObjects(clazz, scanResult.getItems()));
        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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        QueryRequest request =
            new QueryRequest()
                .withTableName(tableName)
                .withKeyConditions(createHashKeyCondition("id", hashKey))
                ;
        QueryResult result = getClient().query(request);
        Assert.assertNotNull(result.getItems());
        Assert.assertNotSame(result.getItems().size(), 0);

        Map<String, AttributeValue> row = result.getItems().get(0);
        assertEquals(row.get("id"), hashKey);
        assertEquals(row.get("count").getN(), "100");
    }
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        QueryRequest request =
            new QueryRequest()
                .withTableName(tableName)
                .withKeyConditions(createHashKeyCondition("id", hashKey))
                ;
        QueryResult result = getClient().query(request);
        Assert.assertNotNull(result.getItems());
        Assert.assertNotSame(result.getItems().size(), 0);
        Map<String, AttributeValue> row = result.getItems().get(0);

        assertEquals(row.get("id"), hashKey);
        Assert.assertArrayEquals(row.get("count").getNS().toArray(), new String[]{"100", "102"});
    }
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        QueryRequest request =
            new QueryRequest()
                .withTableName(tableName)
                .withKeyConditions(createHashKeyCondition("id", hashKey))
                ;
        QueryResult result = getClient().query(request);
        Assert.assertNotNull(result.getItems());
        Assert.assertNotSame(result.getItems().size(), 0);

        Map<String, AttributeValue> row = result.getItems().get(0);
        assertEquals(row.get("id"), hashKey);
        assertEquals(row.get("count").getN(), "102");
    }
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        QueryRequest request =
            new QueryRequest()
                .withTableName(tableName)
                .withKeyConditions(createHashKeyCondition("id", hashKey))
                ;
        QueryResult result = getClient().query(request);
        Assert.assertNotNull(result.getItems());
        Assert.assertNotSame(result.getItems().size(), 0);

        Map<String, AttributeValue> row = result.getItems().get(0);
        assertEquals(row.get("id"), hashKey);
        assertEquals(row.get("count").getN(), "102");
        assertEquals(row.get("ids").getS(), "[er, er]");
    }
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        QueryRequest request =
            new QueryRequest()
                .withTableName(tableName)
                .withKeyConditions(createHashKeyCondition("id", hashKey))
                ;
        QueryResult result = getClient().query(request);
        Assert.assertNotNull(result.getItems());
        Assert.assertNotSame(result.getItems().size(), 0);

        Map<String, AttributeValue> row = result.getItems().get(0);
        assertEquals(row.get("id"), hashKey);
        assertEquals(row.get("count").getN(), "102");
        assertEquals(row.get("ids").getS(), "[er, er]");
    }
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        QueryRequest request =
            new QueryRequest()
                .withTableName(tableName)
                .withKeyConditions(createHashKeyCondition("id", hashKey))
                ;
        QueryResult result = getClient().query(request);
        Assert.assertNotNull(result.getItems());
        Assert.assertNotSame(result.getItems().size(), 0);

        Map<String, AttributeValue> row = result.getItems().get(0);
        assertEquals(row.get("id"), hashKey);
        assertEquals(row.get("count").getN(), "102");
        Assert.assertNull(row.get("ids"));
    }
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        createNewInProcessClient().restore(PERSISTENCE_PATH);

        QueryRequest request = new QueryRequest()
                .withTableName(tableName)
                .withKeyConditions(createHashKeyCondition("id", hashKey));
        QueryResult result = getClient().query(request);

        assertNotNull(result.getItems());
        assertTrue(!result.getItems().isEmpty());

        Map<String, AttributeValue> row = result.getItems().get(0);

        assertEquals(hashKey, row.get("id"));
        assertEquals("2", row.get("value").getN());
    }
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Related Classes of com.amazonaws.services.dynamodbv2.model.QueryResult

  • com.amazonaws.auth.DefaultAWSCredentialsProviderChain
  • com.amazonaws.ClientConfiguration
  • com.amazonaws.handlers.HandlerChainFactory
  • com.amazonaws.http.ExecutionContext
  • com.amazonaws.http.JsonErrorResponseHandler
  • com.amazonaws.internal.StaticCredentialsProvider
  • com.amazonaws.metrics.internal.cloudwatch.provider.transform.DynamoDBRequestMetricTransformer
  • com.amazonaws.services.dynamodbv2.datamodeling.ArgumentMarshaller.StringAttributeMarshaller
  • com.amazonaws.services.dynamodbv2.datamodeling.ArgumentMarshaller.StringSetAttributeMarshaller
  • com.amazonaws.services.dynamodbv2.datamodeling.ConversionSchemas$StandardItemConverter
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