获取数据游标

// 配置通道名称
String streamName = "myStream";
// 配置数据下载分区ID
String partitionId = "0";
// 配置下载数据序列号
String startingSequenceNumber = "0";
// 配置下载数据方式
String cursorType = PartitionCursorTypeEnum.AT_SEQUENCE_NUMBER.name();

GetPartitionCursorRequest request = new GetPartitionCursorRequest();
request.setStreamName(streamName);
request.setPartitionId(partitionId);
request.setStartingSequenceNumber(startingSequenceNumber);
request.setCursorType(cursorType);
GetPartitionCursorResult response = dic.getPartitionCursor(request);
String cursor = response.getPartitionCursor();