org.apache.iotdb.db.query.control

类 SessionManager

java.lang.Object

org.apache.iotdb.db.query.control.SessionManager

public class SessionManager
extends Object

构造器概要

构造器

限定符	构造器和说明
protected	SessionManager()

方法概要

限定符和类型	方法和说明
void	closeDataset(Long statementId, Long queryId)
void	closeStatement(long sessionId, long statementId)
IoTDBConstant.ClientVersion	getClientVersion(Long sessionId)
Long	getCurrSessionId()
TimeZone	getCurrSessionTimeZone()
QueryDataSet	getDataset(Long queryId)
static SessionManager	getInstance()
long	getSessionIdByQueryId(long queryId)
String	getUsername(Long sessionId)
ZoneId	getZoneId(Long sessionId)
boolean	hasDataset(Long queryId)
void	releaseQueryResource(long queryId)
void	releaseQueryResourceNoExceptions(long queryId)
boolean	releaseSessionResource(long sessionId)
void	removeCurrSessionId()
void	removeDataset(Long queryId)
long	requestQueryId(boolean isDataQuery)
long	requestQueryId(Long statementId, boolean isDataQuery)
long	requestSessionId(String username, String zoneId, IoTDBConstant.ClientVersion clientVersion)
long	requestStatementId(long sessionId)
void	setDataset(Long queryId, QueryDataSet dataSet)
void	setTimezone(Long sessionId, String zone)

从类继承的方法 java.lang.Object

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

构造器详细资料

SessionManager

protected SessionManager()

方法详细资料

getCurrSessionId

public Long getCurrSessionId()

removeCurrSessionId

public void removeCurrSessionId()

getCurrSessionTimeZone

public TimeZone getCurrSessionTimeZone()

requestSessionId

public long requestSessionId(String username,
                             String zoneId,
                             IoTDBConstant.ClientVersion clientVersion)

releaseSessionResource

public boolean releaseSessionResource(long sessionId)

getSessionIdByQueryId

public long getSessionIdByQueryId(long queryId)

requestStatementId

public long requestStatementId(long sessionId)

closeStatement

public void closeStatement(long sessionId,
                           long statementId)

requestQueryId

public long requestQueryId(Long statementId,
                           boolean isDataQuery)

requestQueryId

public long requestQueryId(boolean isDataQuery)

releaseQueryResource

public void releaseQueryResource(long queryId)
                          throws StorageEngineException

抛出:

StorageEngineException

releaseQueryResourceNoExceptions

public void releaseQueryResourceNoExceptions(long queryId)

getUsername

public String getUsername(Long sessionId)

getZoneId

public ZoneId getZoneId(Long sessionId)

setTimezone

public void setTimezone(Long sessionId,
                        String zone)

hasDataset

public boolean hasDataset(Long queryId)

getDataset

public QueryDataSet getDataset(Long queryId)

setDataset

public void setDataset(Long queryId,
                       QueryDataSet dataSet)

removeDataset

public void removeDataset(Long queryId)

closeDataset

public void closeDataset(Long statementId,
                         Long queryId)

getClientVersion

public IoTDBConstant.ClientVersion getClientVersion(Long sessionId)

getInstance

public static SessionManager getInstance()