py4j
Class MemoryCommand

java.lang.Object
  extended by py4j.AbstractCommand
      extended by py4j.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 Summary
static String MEMORY_COMMAND_NAME
           
static String MEMORY_DEL_SUB_COMMAND_NAME
           
 
Fields inherited from class py4j.AbstractCommand
gateway
 
Constructor Summary
MemoryCommand()
           
 
Method Summary
 void execute(String commandName, BufferedReader reader, BufferedWriter writer)
           
 
Methods inherited from class py4j.AbstractCommand
getArguments, getStringArguments, init, invokeMethod
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

MEMORY_COMMAND_NAME

public static final String MEMORY_COMMAND_NAME
See Also:
Constant Field Values

MEMORY_DEL_SUB_COMMAND_NAME

public static final String MEMORY_DEL_SUB_COMMAND_NAME
See Also:
Constant Field Values
Constructor Detail

MemoryCommand

public MemoryCommand()
Method Detail

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.