程序包 org.apache.iotdb.db.mpp.execution

类 QueryStateMachine

java.lang.Object

org.apache.iotdb.db.mpp.execution.QueryStateMachine

public class QueryStateMachine
extends java.lang.Object

State machine for a QueryExecution. It stores the states for the QueryExecution. Others can register listeners when the state changes of the QueryExecution.

构造器概要

构造器

构造器	说明
QueryStateMachine(QueryId queryId, java.util.concurrent.ExecutorService executor)

方法概要

修饰符和类型	方法	说明
void	addStateChangeListener(StateMachine.StateChangeListener<QueryState> stateChangeListener)
java.lang.Throwable	getFailureException()
java.lang.String	getFailureMessage()
org.apache.iotdb.common.rpc.thrift.TSStatus	getFailureStatus()
QueryState	getState()
com.google.common.util.concurrent.ListenableFuture<QueryState>	getStateChange(QueryState currentState)
void	transitionToAborted()
void	transitionToCanceled()
void	transitionToDispatching()
void	transitionToFailed()
void	transitionToFailed(java.lang.Throwable throwable)
void	transitionToFailed(org.apache.iotdb.common.rpc.thrift.TSStatus failureStatus)
void	transitionToFinished()
void	transitionToPendingRetry(org.apache.iotdb.common.rpc.thrift.TSStatus failureStatus)
void	transitionToPlanned()
void	transitionToQueued()
void	transitionToRunning()

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

QueryStateMachine

public QueryStateMachine(QueryId queryId,
                         java.util.concurrent.ExecutorService executor)

方法详细资料

addStateChangeListener

public void addStateChangeListener(StateMachine.StateChangeListener<QueryState> stateChangeListener)

getStateChange

public com.google.common.util.concurrent.ListenableFuture<QueryState> getStateChange(QueryState currentState)

getState

public QueryState getState()

transitionToQueued

public void transitionToQueued()

transitionToPlanned

public void transitionToPlanned()

transitionToDispatching

public void transitionToDispatching()

transitionToPendingRetry

public void transitionToPendingRetry(org.apache.iotdb.common.rpc.thrift.TSStatus failureStatus)

transitionToRunning

public void transitionToRunning()

transitionToFinished

public void transitionToFinished()

transitionToCanceled

public void transitionToCanceled()

transitionToAborted

public void transitionToAborted()

transitionToFailed

public void transitionToFailed()

transitionToFailed

public void transitionToFailed(java.lang.Throwable throwable)

transitionToFailed

public void transitionToFailed(org.apache.iotdb.common.rpc.thrift.TSStatus failureStatus)

getFailureMessage

public java.lang.String getFailureMessage()

getFailureException

public java.lang.Throwable getFailureException()

getFailureStatus

public org.apache.iotdb.common.rpc.thrift.TSStatus getFailureStatus()