py4j
Class FieldCommand
java.lang.Object
py4j.AbstractCommand
py4j.FieldCommand
- All Implemented Interfaces:
- Command
public class FieldCommand
- extends AbstractCommand
A FieldCommand is responsible for accessing and setting fields of objects.
- Author:
- Barthelemy Dagenais
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
FIELD_COMMAND_NAME
public static final String FIELD_COMMAND_NAME
- See Also:
- Constant Field Values
FIELD_GET_SUB_COMMAND_NAME
public static final String FIELD_GET_SUB_COMMAND_NAME
- See Also:
- Constant Field Values
FIELD_SET_SUB_COMMAND_NAME
public static final String FIELD_SET_SUB_COMMAND_NAME
- See Also:
- Constant Field Values
FieldCommand
public FieldCommand()
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.