Package py4j.commands
Class JVMViewCommand
- java.lang.Object
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- py4j.commands.AbstractCommand
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- py4j.commands.JVMViewCommand
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- All Implemented Interfaces:
Command
public class JVMViewCommand extends AbstractCommand
A JVMViewCommand is responsible for managing JVM views: creating views, adding imports, searching for fully qualified names.
- Author:
- Barthelemy Dagenais
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Field Summary
Fields Modifier and Type Field Description static char
CREATE_VIEW_SUB_COMMAND_NAME
static char
IMPORT_SUB_COMMAND_NAME
static java.lang.String
JVMVIEW_COMMAND_NAME
static char
REMOVE_IMPORT_SUB_COMMAND_NAME
protected ReflectionEngine
rEngine
static char
SEARCH_SUB_COMMAND_NAME
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Fields inherited from class py4j.commands.AbstractCommand
commandName, connection, gateway
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Constructor Summary
Constructors Constructor Description JVMViewCommand()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method 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.-
Methods inherited from class py4j.commands.AbstractCommand
getArguments, getCommandName, getStringArguments, invokeMethod
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Field Detail
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CREATE_VIEW_SUB_COMMAND_NAME
public static final char CREATE_VIEW_SUB_COMMAND_NAME
- See Also:
- Constant Field Values
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IMPORT_SUB_COMMAND_NAME
public static final char IMPORT_SUB_COMMAND_NAME
- See Also:
- Constant Field Values
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REMOVE_IMPORT_SUB_COMMAND_NAME
public static final char REMOVE_IMPORT_SUB_COMMAND_NAME
- See Also:
- Constant Field Values
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SEARCH_SUB_COMMAND_NAME
public static final char SEARCH_SUB_COMMAND_NAME
- See Also:
- Constant Field Values
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JVMVIEW_COMMAND_NAME
public static final java.lang.String JVMVIEW_COMMAND_NAME
- See Also:
- Constant Field Values
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rEngine
protected ReflectionEngine rEngine
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Method Detail
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execute
public void execute(java.lang.String commandName, java.io.BufferedReader reader, java.io.BufferedWriter writer) throws Py4JException, java.io.IOException
- Specified by:
execute
in interfaceCommand
- Specified by:
execute
in classAbstractCommand
- 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 throughBufferedReader.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 aPy4JException
instance.java.io.IOException
- If an error occurs while using the reader or the writer.
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init
public void init(Gateway gateway, Py4JServerConnection connection)
Description copied from interface:Command
Called when a command instance is created and assigned to a connection.
- Specified by:
init
in interfaceCommand
- Overrides:
init
in classAbstractCommand
connection
- thePy4JServerConnection
this socket is assigned to
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