Package org.apache.iotdb.confignode.persistence

Class UDFInfo

java.lang.Object

org.apache.iotdb.confignode.persistence.UDFInfo

All Implemented Interfaces:

SnapshotProcessor

public class UDFInfo
extends Object
implements SnapshotProcessor

Constructor Summary

Constructors

Constructor	Description
UDFInfo()

Method Summary

Modifier and Type	Method	Description
void	acquireUDFTableLock()
TSStatus	addUDFInTable(CreateFunctionPlan physicalPlan)
void	clear()
void	deserializeExistedJarToMD5(InputStream inputStream)
TSStatus	dropFunction(DropFunctionPlan req)
Map<String,String>	getRawExistedJarToMD5()
Map<String,UDFInformation>	getRawUDFTable()
JarResp	getUDFJar(GetUDFJarPlan physicalPlan)
DataSet	getUDFTable()
boolean	needToSaveJar(String jarName)
void	processLoadSnapshot(File snapshotDir)
boolean	processTakeSnapshot(File snapshotDir)
void	releaseUDFTableLock()
void	serializeExistedJarToMD5(OutputStream outputStream)
void	validate(String udfName)	Validate whether the UDF can be dropped.
void	validate(String udfName, String jarName, String jarMD5)	Validate whether the UDF can be created.

Methods inherited from class java.lang.Object

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

Constructor Details

UDFInfo

public UDFInfo()
        throws IOException

Throws:

IOException

Method Details

acquireUDFTableLock

public void acquireUDFTableLock()

releaseUDFTableLock

public void releaseUDFTableLock()

validate

public void validate(String udfName,
 String jarName,
 String jarMD5)
              throws UDFManagementException

Validate whether the UDF can be created.

Throws:

UDFManagementException

validate

public void validate(String udfName)
              throws UDFManagementException

Validate whether the UDF can be dropped.

Throws:

UDFManagementException

needToSaveJar

public boolean needToSaveJar(String jarName)

addUDFInTable

public TSStatus addUDFInTable(CreateFunctionPlan physicalPlan)

getUDFTable

public DataSet getUDFTable()

getUDFJar

public JarResp getUDFJar(GetUDFJarPlan physicalPlan)

dropFunction

public TSStatus dropFunction(DropFunctionPlan req)

getRawUDFTable

public Map<String,UDFInformation> getRawUDFTable()

getRawExistedJarToMD5

public Map<String,String> getRawExistedJarToMD5()

processTakeSnapshot

public boolean processTakeSnapshot(File snapshotDir)
                            throws IOException

Specified by:

processTakeSnapshot in interface SnapshotProcessor

Throws:

IOException

processLoadSnapshot

public void processLoadSnapshot(File snapshotDir)
                         throws IOException

Specified by:

processLoadSnapshot in interface SnapshotProcessor

Throws:

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()