Package org.apache.iotdb.confignode.persistence

Class TriggerInfo

java.lang.Object

org.apache.iotdb.confignode.persistence.TriggerInfo

All Implemented Interfaces:

SnapshotProcessor

public class TriggerInfo
extends Object
implements SnapshotProcessor

Constructor Summary

Constructors

Constructor	Description
TriggerInfo()

Method Summary

Modifier and Type	Method	Description
void	acquireTriggerTableLock()
TSStatus	addTriggerInTable(AddTriggerInTablePlan physicalPlan)
void	clear()
TSStatus	deleteTriggerInTable(DeleteTriggerInTablePlan physicalPlan)
void	deserializeExistedJarToMD5(InputStream inputStream)
Map<String,String>	getRawExistedJarToMD5()
Map<String,TriggerInformation>	getRawTriggerTable()
TransferringTriggersResp	getTransferringTriggers()
JarResp	getTriggerJar(GetTriggerJarPlan physicalPlan)
DataSet	getTriggerLocation(GetTriggerLocationPlan req)
TriggerTableResp	getTriggerTable(GetTriggerTablePlan req)
boolean	needToSaveJar(String jarName)
void	processLoadSnapshot(File snapshotDir)
boolean	processTakeSnapshot(File snapshotDir)
void	releaseTriggerTableLock()
void	serializeExistedJarToMD5(OutputStream outputStream)
TSStatus	updateTriggerLocation(UpdateTriggerLocationPlan physicalPlan)
TSStatus	updateTriggersOnTransferNodes(UpdateTriggersOnTransferNodesPlan physicalPlan)
TSStatus	updateTriggerStateInTable(UpdateTriggerStateInTablePlan physicalPlan)
void	validate(String triggerName)	Validate whether the trigger can be dropped.
void	validate(String triggerName, String jarName, String jarMD5)	Validate whether the trigger can be created.

Methods inherited from class java.lang.Object

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

Constructor Details

TriggerInfo

public TriggerInfo()
            throws IOException

Throws:

IOException

Method Details

acquireTriggerTableLock

public void acquireTriggerTableLock()

releaseTriggerTableLock

public void releaseTriggerTableLock()

validate

public void validate(String triggerName,
 String jarName,
 String jarMD5)
              throws TriggerManagementException

Validate whether the trigger can be created.

Throws:

TriggerManagementException

validate

public void validate(String triggerName)
              throws TriggerManagementException

Validate whether the trigger can be dropped.

Throws:

TriggerManagementException

needToSaveJar

public boolean needToSaveJar(String jarName)

addTriggerInTable

public TSStatus addTriggerInTable(AddTriggerInTablePlan physicalPlan)

deleteTriggerInTable

public TSStatus deleteTriggerInTable(DeleteTriggerInTablePlan physicalPlan)

updateTriggerStateInTable

public TSStatus updateTriggerStateInTable(UpdateTriggerStateInTablePlan physicalPlan)

getTriggerTable

public TriggerTableResp getTriggerTable(GetTriggerTablePlan req)

getTriggerLocation

public DataSet getTriggerLocation(GetTriggerLocationPlan req)

getTriggerJar

public JarResp getTriggerJar(GetTriggerJarPlan physicalPlan)

getTransferringTriggers

public TransferringTriggersResp getTransferringTriggers()

updateTriggersOnTransferNodes

public TSStatus updateTriggersOnTransferNodes(UpdateTriggersOnTransferNodesPlan physicalPlan)

updateTriggerLocation

public TSStatus updateTriggerLocation(UpdateTriggerLocationPlan physicalPlan)

getRawTriggerTable

public Map<String,TriggerInformation> getRawTriggerTable()

getRawExistedJarToMD5

public Map<String,String> getRawExistedJarToMD5()

processTakeSnapshot

public boolean processTakeSnapshot(File snapshotDir)
                            throws org.apache.thrift.TException,
IOException

Specified by:

processTakeSnapshot in interface SnapshotProcessor

Throws:

org.apache.thrift.TException

IOException

processLoadSnapshot

public void processLoadSnapshot(File snapshotDir)
                         throws org.apache.thrift.TException,
IOException

Specified by:

processLoadSnapshot in interface SnapshotProcessor

Throws:

org.apache.thrift.TException

IOException

serializeExistedJarToMD5

public void serializeExistedJarToMD5(OutputStream outputStream)
                              throws IOException

Throws:

IOException

deserializeExistedJarToMD5

public void deserializeExistedJarToMD5(InputStream inputStream)
                                throws IOException

Throws:

IOException

clear

public void clear()