Package py4j.commands

Class MemoryCommand

java.lang.Object
py4j.commands.AbstractCommand
py4j.commands.MemoryCommand
All Implemented Interfaces:
Command

public class MemoryCommand extends AbstractCommand

The MemoryCommand is responsible for handling garbage collection requests from the Python side, i.e., when a java object is no longer used by the Python program.

Author:
Barthelemy Dagenais
  • Field Details

  • Constructor Details

    • MemoryCommand

      public MemoryCommand()
  • Method Details

    • execute

      public void execute(String commandName, BufferedReader reader, BufferedWriter writer) throws Py4JException, IOException
      Specified by:
      execute in interface Command
      Specified by:
      execute in class AbstractCommand
      Parameters:
      commandName - The command name that was extracted of the command.
      reader - The reader from which to read the command parts. Each command part are expected to be on a separate line and readable through BufferedReader.readLine().
      writer - The writer to which the return value should be written.
      Throws:
      Py4JException - If an error occurs while executing the command. All exceptions except IOException caused by the reader and the writer should be wrapper in a Py4JException instance.
      IOException - If an error occurs while using the reader or the writer.