Example usage for com.amazonaws.services.dynamodbv2.datamodeling DynamoDBQueryExpression setConsistentRead

Introduction

In this page you can find the example usage for com.amazonaws.services.dynamodbv2.datamodeling DynamoDBQueryExpression setConsistentRead.

Prototype

public void setConsistentRead(boolean consistentRead) 

Source Link

Document

Sets whether this query uses consistent reads.

Usage

From source file:com.kirana.dao.OrderDaoImpl.java

@Override
public List<Order> getOrderByShopId(long shopId) throws Exception {
    DynamoDBMapper mapper = new DynamoDBMapper(dbClient);

    Date startTime = new Date(0L);
    SimpleDateFormat dateFormatter = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'");
    dateFormatter.setTimeZone(TimeZone.getTimeZone("UTC"));
    String startTimeStr = dateFormatter.format(startTime);

    Condition rangeKeyCondition = new Condition().withComparisonOperator(ComparisonOperator.GT.toString())
            .withAttributeValueList(new AttributeValue().withS(startTimeStr));

    DynamoDBQueryExpression<Order> queryExpression = new DynamoDBQueryExpression<Order>()
            .withHashKeyValues(new Order(shopId)).withRangeKeyCondition("created_at", rangeKeyCondition);
    queryExpression.setConsistentRead(false);

    return mapper.query(Order.class, queryExpression);

}

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From source file:com.kirana.dao.OrderDaoImpl.java

@Override
public List<Order> getOrderBetween(long id, String FromDate, String ToDate) throws Exception {

    DynamoDBMapper mapper = new DynamoDBMapper(dbClient);
    Condition rangeKeyCondition = new Condition().withComparisonOperator(ComparisonOperator.BETWEEN.toString())
            .withAttributeValueList(new AttributeValue().withS(FromDate), new AttributeValue().withS(ToDate));
    DynamoDBQueryExpression<Order> queryExpression = new DynamoDBQueryExpression<Order>()
            .withHashKeyValues(new Order(id)).withRangeKeyCondition("created_at", rangeKeyCondition);
    queryExpression.setConsistentRead(false);
    List<Order> latestReplies = mapper.query(Order.class, queryExpression);
    return latestReplies;
}

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From source file:com.kirana.dao.OrderDaoImpl.java

@Override
public Order getOrderByCreatedAt(long id, String createdAt) throws Exception {
    DynamoDBMapper mapper = new DynamoDBMapper(dbClient);
    log.info("id : " + id + "  createdat:" + createdAt);

    Condition rangeKeyCondition = new Condition().withComparisonOperator(ComparisonOperator.EQ.toString())
            .withAttributeValueList(new AttributeValue().withS(createdAt));

    DynamoDBQueryExpression<Order> queryExpression = new DynamoDBQueryExpression<Order>()
            .withHashKeyValues(new Order(id)).withRangeKeyCondition("created_at", rangeKeyCondition);
    queryExpression.setConsistentRead(false);

    PaginatedQueryList list = mapper.query(Order.class, queryExpression);
    if (list != null && !list.isEmpty())
        return (Order) list.get(0);
    else//from w  w  w. j  a va2s .c  om
        return null;
    //        return mapper.query(Order.class, queryExpression).get(1);

    //        return mapper.load(Order.class,id,createdAt);
}

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