Package jep.python

Class MemoryManager

java.lang.Object

jep.JepAccess

jep.python.MemoryManager

public final class MemoryManager
extends JepAccess

Manages the native memory associated with PyObjects in an Interpreter.

Since:

3.8

See Also:

• How to Handle Java Finalization's Memory-Retention Issues

Constructor Summary

Constructors

Constructor	Description
MemoryManager()

Method Summary

Modifier and Type	Method	Description
void	cleanupWeakReferences()	Cleans out weak references to PyPointers associated with this Interpreter.
void	closeInterpreter(Jep jep)	Stop managing memory for an interpreter.
void	openInterpreter(Jep jep)

Methods inherited from class java.lang.Object

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

Constructor Details

MemoryManager

public MemoryManager()

Method Details

openInterpreter

public void openInterpreter(Jep jep)

closeInterpreter

public void closeInterpreter(Jep jep)
                      throws JepException

Stop managing memory for an interpreter. Any PyPointers managed by this object will no longer be usable from the interpreter thread. If this is the last interpreter used by this manager then all PyPointers managed by this will be disposed.

Throws:

JepException - if an error occurs

cleanupWeakReferences

public void cleanupWeakReferences()
                           throws JepException

Cleans out weak references to PyPointers associated with this Interpreter. Attempts to free memory earlier than a Jep.close() if the developer did not explicitly free the memory with PyObject.close().

Throws:

JepException - if an error occurs