py4j
Class ReflectionCommand

java.lang.Object
  extended by py4j.AbstractCommand
      extended by py4j.ReflectionCommand
All Implemented Interfaces:
Command

public class ReflectionCommand
extends AbstractCommand


Field Summary
static char GET_MEMBER_SUB_COMMAND_NAME
           
static char GET_UNKNOWN_SUB_COMMAND_NAME
           
static String REFLECTION_COMMAND_NAME
           
protected  py4j.reflection.ReflectionEngine rEngine
           
 
Fields inherited from class py4j.AbstractCommand
gateway
 
Constructor Summary
ReflectionCommand()
           
 
Method Summary
 void execute(String commandName, BufferedReader reader, BufferedWriter writer)
           
 void init(Gateway gateway)
          Called when a command instance is created and assigned to a connection.
 
Methods inherited from class py4j.AbstractCommand
getArguments, invokeMethod
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

GET_UNKNOWN_SUB_COMMAND_NAME

public static final char GET_UNKNOWN_SUB_COMMAND_NAME
See Also:
Constant Field Values

GET_MEMBER_SUB_COMMAND_NAME

public static final char GET_MEMBER_SUB_COMMAND_NAME
See Also:
Constant Field Values

REFLECTION_COMMAND_NAME

public static final String REFLECTION_COMMAND_NAME
See Also:
Constant Field Values

rEngine

protected py4j.reflection.ReflectionEngine rEngine
Constructor Detail

ReflectionCommand

public ReflectionCommand()
Method Detail

init

public void init(Gateway gateway)
Description copied from interface: Command

Called when a command instance is created and assigned to a connection. Called by GatewayConnection.initCommands(Gateway)

Specified by:
init in interface Command
Overrides:
init in class AbstractCommand

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.