Package org.apache.iotdb.db.mpp.plan.scheduler

Class AbstractFragInsStateTracker

java.lang.Object

org.apache.iotdb.db.mpp.plan.scheduler.AbstractFragInsStateTracker

All Implemented Interfaces:

IFragInstanceStateTracker

Direct Known Subclasses:

FixedRateFragInsStateTracker

public abstract class AbstractFragInsStateTracker
extends java.lang.Object
implements IFragInstanceStateTracker

Field Summary

Fields

Modifier and Type	Field	Description
protected java.util.List<FragmentInstance>	instances
protected int	localhostInternalPort
protected java.lang.String	localhostIpAddr
protected java.util.concurrent.ScheduledExecutorService	scheduledExecutor
protected QueryStateMachine	stateMachine

Constructor Summary

Constructors

Constructor	Description
AbstractFragInsStateTracker(QueryStateMachine stateMachine, java.util.concurrent.ScheduledExecutorService scheduledExecutor, java.util.List<FragmentInstance> instances, org.apache.iotdb.commons.client.IClientManager<org.apache.iotdb.common.rpc.thrift.TEndPoint,org.apache.iotdb.commons.client.sync.SyncDataNodeInternalServiceClient> internalServiceClientManager)

Method Summary

Modifier and Type	Method	Description
abstract void	abort()
protected FragmentInstanceState	fetchState(FragmentInstance instance)
abstract void	start()

Methods inherited from class java.lang.Object

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

Field Detail

stateMachine

protected QueryStateMachine stateMachine

scheduledExecutor

protected java.util.concurrent.ScheduledExecutorService scheduledExecutor

instances

protected java.util.List<FragmentInstance> instances

localhostIpAddr

protected final java.lang.String localhostIpAddr

localhostInternalPort

protected final int localhostInternalPort

Constructor Detail

AbstractFragInsStateTracker

public AbstractFragInsStateTracker(QueryStateMachine stateMachine,
                                   java.util.concurrent.ScheduledExecutorService scheduledExecutor,
                                   java.util.List<FragmentInstance> instances,
                                   org.apache.iotdb.commons.client.IClientManager<org.apache.iotdb.common.rpc.thrift.TEndPoint,org.apache.iotdb.commons.client.sync.SyncDataNodeInternalServiceClient> internalServiceClientManager)

Method Detail

start

public abstract void start()

Specified by:

start in interface IFragInstanceStateTracker

abort

public abstract void abort()

Specified by:

abort in interface IFragInstanceStateTracker

fetchState

protected FragmentInstanceState fetchState(FragmentInstance instance)
                                    throws org.apache.thrift.TException,
                                           java.io.IOException

Throws:

org.apache.thrift.TException

java.io.IOException