com.starrocks.connector.spark.rest

Class RestService

java.lang.Object

com.starrocks.connector.spark.rest.RestService

All Implemented Interfaces:

Serializable

public class RestService
extends Object
implements Serializable

Service for communicate with StarRocks FE.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static int	REST_RESPONSE_STATUS_OK

Constructor Summary

Constructors

Constructor and Description
RestService()

Method Summary

Modifier and Type	Method and Description
static List<PartitionDefinition>	findPartitions(Settings cfg, org.slf4j.Logger logger) find StarRocks RDD partitions from StarRocks FE.
static Schema	getSchema(Settings cfg, org.slf4j.Logger logger) discover StarRocks table schema from StarRocks FE.
static String[]	parseIdentifier(String tableIdentifier, org.slf4j.Logger logger) parse table identifier to array.
static Schema	parseSchema(String response, org.slf4j.Logger logger) translate StarRocks FE response to inner Schema struct.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

REST_RESPONSE_STATUS_OK

public static final int REST_RESPONSE_STATUS_OK

See Also:

Constant Field Values

Constructor Detail

RestService

public RestService()

Method Detail

parseIdentifier

public static String[] parseIdentifier(String tableIdentifier,
                                       org.slf4j.Logger logger)
                                throws IllegalArgumentException

parse table identifier to array.

Parameters:

tableIdentifier - table identifier string

logger - Logger

Returns:

first element is db name, second element is table name

Throws:

IllegalArgumentException - table identifier is illegal

getSchema

public static Schema getSchema(Settings cfg,
                               org.slf4j.Logger logger)
                        throws StarrocksException

discover StarRocks table schema from StarRocks FE.

Parameters:

cfg - configuration of request

logger - slf4j logger

Returns:

StarRocks table schema

Throws:

StarrocksException - throw when discover failed

parseSchema

public static Schema parseSchema(String response,
                                 org.slf4j.Logger logger)
                          throws StarrocksException

translate StarRocks FE response to inner Schema struct.

Parameters:

response - StarRocks FE response

logger - Logger

Returns:

inner Schema struct

Throws:

StarrocksException - throw when translate failed

findPartitions

public static List<PartitionDefinition> findPartitions(Settings cfg,
                                                       org.slf4j.Logger logger)
                                                throws StarrocksException

find StarRocks RDD partitions from StarRocks FE.

Parameters:

cfg - configuration of request

logger - Logger

Returns:

an list of StarRocks RDD partitions

Throws:

StarrocksException - throw when find partition failed