org.apache.iotdb.db.service.basic

类 ServiceProvider

java.lang.Object

org.apache.iotdb.db.service.basic.ServiceProvider

直接已知子类:

StandaloneServiceProvider

public abstract class ServiceProvider
extends Object

字段概要

字段

限定符和类型	字段和说明
static org.slf4j.Logger	AUDIT_LOGGER
static IoTDBConfig	CONFIG
static org.apache.iotdb.service.rpc.thrift.TSProtocolVersion	CURRENT_RPC_VERSION
protected IPlanExecutor	executor
protected static org.slf4j.Logger	LOGGER
static QueryFrequencyRecorder	QUERY_FREQUENCY_RECORDER
static QueryTimeManager	QUERY_TIME_MANAGER
static SessionManager	SESSION_MANAGER
static org.slf4j.Logger	SLOW_SQL_LOGGER
static TracingManager	TRACING_MANAGER

构造器概要

构造器

构造器和说明
ServiceProvider(PlanExecutor executor)

方法概要

限定符和类型	方法和说明
org.apache.iotdb.service.rpc.thrift.TSStatus	checkAuthority(PhysicalPlan plan, long sessionId)
boolean	checkAuthorization(PhysicalPlan plan, String username)
boolean	checkLogin(long sessionId) Check whether current user has logged in.
boolean	checkSessionTimeout(long sessionId) Check whether current session is timeout.
org.apache.iotdb.service.rpc.thrift.TSStatus	closeOperation(long sessionId, long queryId, long statementId, boolean haveStatementId, boolean haveSetQueryId)
boolean	closeSession(long sessionId)
QueryDataSet	createQueryDataSet(QueryContext context, PhysicalPlan physicalPlan, int fetchSize) create QueryDataSet and buffer it for fetchResults
abstract boolean	executeNonQuery(PhysicalPlan plan)
abstract QueryContext	genQueryContext(long queryId, boolean debug, long startTime, String statement, long timeout)
IPlanExecutor	getExecutor()
Planner	getPlanner()
BasicOpenSessionResp	openSession(String username, String password, String zoneId, org.apache.iotdb.service.rpc.thrift.TSProtocolVersion tsProtocolVersion)
BasicOpenSessionResp	openSession(String username, String password, String zoneId, org.apache.iotdb.service.rpc.thrift.TSProtocolVersion tsProtocolVersion, IoTDBConstant.ClientVersion clientVersion)

从类继承的方法 java.lang.Object

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

字段详细资料

LOGGER

protected static final org.slf4j.Logger LOGGER

AUDIT_LOGGER

public static final org.slf4j.Logger AUDIT_LOGGER

SLOW_SQL_LOGGER

public static final org.slf4j.Logger SLOW_SQL_LOGGER

CURRENT_RPC_VERSION

public static final org.apache.iotdb.service.rpc.thrift.TSProtocolVersion CURRENT_RPC_VERSION

CONFIG

public static final IoTDBConfig CONFIG

QUERY_TIME_MANAGER

public static final QueryTimeManager QUERY_TIME_MANAGER

TRACING_MANAGER

public static final TracingManager TRACING_MANAGER

QUERY_FREQUENCY_RECORDER

public static final QueryFrequencyRecorder QUERY_FREQUENCY_RECORDER

SESSION_MANAGER

public static SessionManager SESSION_MANAGER

executor

protected final IPlanExecutor executor

构造器详细资料

ServiceProvider

public ServiceProvider(PlanExecutor executor)
                throws QueryProcessException

抛出:

QueryProcessException

方法详细资料

getPlanner

public Planner getPlanner()

getExecutor

public IPlanExecutor getExecutor()

genQueryContext

public abstract QueryContext genQueryContext(long queryId,
                                             boolean debug,
                                             long startTime,
                                             String statement,
                                             long timeout)

executeNonQuery

public abstract boolean executeNonQuery(PhysicalPlan plan)
                                 throws QueryProcessException,
                                        StorageGroupNotSetException,
                                        StorageEngineException

抛出:

QueryProcessException

StorageGroupNotSetException

StorageEngineException

checkLogin

public boolean checkLogin(long sessionId)

Check whether current user has logged in.

返回:

true: If logged in; false: If not logged in

checkSessionTimeout

public boolean checkSessionTimeout(long sessionId)

Check whether current session is timeout.

参数:

sessionId - Session id.

返回:

true: If session timeout; false: If not session timeout.

checkAuthorization

public boolean checkAuthorization(PhysicalPlan plan,
                                  String username)
                           throws AuthException

抛出:

AuthException

checkAuthority

public org.apache.iotdb.service.rpc.thrift.TSStatus checkAuthority(PhysicalPlan plan,
                                                                   long sessionId)

openSession

public BasicOpenSessionResp openSession(String username,
                                        String password,
                                        String zoneId,
                                        org.apache.iotdb.service.rpc.thrift.TSProtocolVersion tsProtocolVersion,
                                        IoTDBConstant.ClientVersion clientVersion)
                                 throws org.apache.thrift.TException

抛出:

org.apache.thrift.TException

openSession

public BasicOpenSessionResp openSession(String username,
                                        String password,
                                        String zoneId,
                                        org.apache.iotdb.service.rpc.thrift.TSProtocolVersion tsProtocolVersion)
                                 throws org.apache.thrift.TException

抛出:

org.apache.thrift.TException

closeSession

public boolean closeSession(long sessionId)

closeOperation

public org.apache.iotdb.service.rpc.thrift.TSStatus closeOperation(long sessionId,
                                                                   long queryId,
                                                                   long statementId,
                                                                   boolean haveStatementId,
                                                                   boolean haveSetQueryId)

createQueryDataSet

public QueryDataSet createQueryDataSet(QueryContext context,
                                       PhysicalPlan physicalPlan,
                                       int fetchSize)
                                throws QueryProcessException,
                                       QueryFilterOptimizationException,
                                       StorageEngineException,
                                       IOException,
                                       MetadataException,
                                       SQLException,
                                       org.apache.thrift.TException,
                                       InterruptedException

create QueryDataSet and buffer it for fetchResults

抛出:

QueryProcessException

QueryFilterOptimizationException

StorageEngineException

IOException

MetadataException

SQLException

org.apache.thrift.TException

InterruptedException