public class ReflectionCommand extends AbstractCommand
The ReflectionCommand is responsible for accessing packages, classes, and static members. This is the command invoked when using the jvm property of a JavaGateway on the Python side.
| Modifier and Type | Field and Description |
|---|---|
static char |
GET_MEMBER_SUB_COMMAND_NAME |
static char |
GET_UNKNOWN_SUB_COMMAND_NAME |
static java.lang.String |
REFLECTION_COMMAND_NAME |
protected ReflectionEngine |
rEngine |
commandName, connection, gateway| Constructor and Description |
|---|
ReflectionCommand() |
| Modifier and Type | Method and Description |
|---|---|
void |
execute(java.lang.String commandName,
java.io.BufferedReader reader,
java.io.BufferedWriter writer) |
void |
init(Gateway gateway,
Py4JServerConnection connection)
Called when a command instance is created and assigned to a connection.
|
getArguments, getCommandName, getStringArguments, invokeMethodpublic static final char GET_UNKNOWN_SUB_COMMAND_NAME
public static final char GET_MEMBER_SUB_COMMAND_NAME
public static final java.lang.String REFLECTION_COMMAND_NAME
protected ReflectionEngine rEngine
public void execute(java.lang.String commandName,
java.io.BufferedReader reader,
java.io.BufferedWriter writer)
throws Py4JException,
java.io.IOException
execute in interface Commandexecute in class AbstractCommandcommandName - 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.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.java.io.IOException - If an error occurs while using the reader or the writer.public void init(Gateway gateway, Py4JServerConnection connection)
CommandCalled when a command instance is created and assigned to a connection.
init in interface Commandinit in class AbstractCommandconnection - the Py4JServerConnection this socket is assigned to