org.eclipse.hyades.internal.execution.local.common
Class CommandElement

java.lang.Object
  org.eclipse.hyades.internal.execution.local.common.CommandElement

All Implemented Interfaces:

Constants

Direct Known Subclasses:

AgentConfigurationCommand, AgentScopingInformationCommand, AuthenticateCommand, AuthenticationFailedCommand, AuthenticationSuccessfulCommand, GetPropertyListCommand, LaunchProcessCommand, ManageFileCommand, PropertyListCommand, QueryProcessListCommand, RegisteredProcessListCommand, ResourceLocation, ServerSecurityInfoCommand, ShutdownCommand, SimpleProcessCommand

public abstract class CommandElement
extends java.lang.Object
implements Constants

Field Summary

protected long	_context
protected long	_tag

Fields inherited from interface org.eclipse.hyades.internal.execution.local.common.Constants

CTL_PORT_NUM_CLIENT, CTL_PORT_NUM_SERVER, DATA_PORT_NUM_CLIENT, DEFAULT_TIMEOUT, MAX_COMMAND_LINE_LENGTH, MAX_DATA_LENGTH, MAX_MESSAGE_LENGTH, MESSAGE_HEADER_LENGTH, RA_ACKNOWLEDGEMENT_MESSAGE, RA_AGENT_ACTIVE, RA_AGENT_ATTACHED, RA_AGENT_CONFIGURATION, RA_AGENT_CONTROLLER_AVAILABLE, RA_AGENT_CONTROLLER_UNAVAILABLE, RA_AGENT_DETACHED, RA_AGENT_DETAILS, RA_AGENT_INACTIVE, RA_AGENT_LIST, RA_AGENT_QUERY_STATE, RA_AGENT_REQUEST_MONITOR, RA_AGENT_REQUEST_MONITOR_PORT, RA_AGENT_SCOPING_INFORMATION, RA_ATTACH_FAILED, RA_ATTACH_SUCCESSFUL, RA_ATTACH_TO_AGENT, RA_AUTHENTICATE, RA_AUTHENTICATION_FAILED, RA_AUTHENTICATION_SUCCESSFUL, RA_BINARY_CUSTOM_COMMAND, RA_CONSOLE_INFO, RA_CONTROL_MESSAGE, RA_CONTROLLER_MONITOR_PEER, RA_CONTROLLER_REQUEST_MONITOR, RA_CONTROLLER_REQUEST_MONITOR_PORT, RA_CUSTOM_COMMAND, RA_DELETE_FILE, RA_DETACH_FROM_AGENT, RA_ERROR_STRING, RA_GET_FILE, RA_GET_PROPERTY_LIST, RA_KILL_PROCESS, RA_LAUNCH_PROCESS, RA_LOCAL_AGENT_ACTIVE, RA_MAGIC, RA_MAGIC_0, RA_MAGIC_1, RA_MAGIC_2, RA_MAGIC_3, RA_MANAGE_FILE, RA_MASTER_ADDRESS, RA_PEER_UNREACHABLE, RA_PIPE_NAMESPACE, RA_PIPE_NAMESPACE_WIN32, RA_PROCESS_EXITED, RA_PROCESS_LAUNCHED, RA_PROCESS_LIST, RA_PROPERTY_LIST, RA_PUT_FILE, RA_QUERY_AGENT_DETAILS, RA_QUERY_AGENT_LIST, RA_QUERY_PROCESS_LIST, RA_REGISTER_AGENT_NOTIFICATION, RA_RESOURCE_LOCATION, RA_SERVER_SECURITY_REQUIREMENTS, RA_SET_NAME_VALUE_PAIR, RA_SHUTDOWN, RA_START_MONITORING_AGENT_LOCAL, RA_START_MONITORING_AGENT_REMOTE, RA_STOP_MONITORING_AGENT, RA_VERSION, sizeofByte, sizeofChar, sizeofLong, sizeofShort

Constructor Summary

CommandElement()

Method Summary

long	getContext() Return the context of this command element
int	getSize() Return the size of this command in number of bytes
long	getTag() Return the command tag
int	readFromBuffer(byte[] buffer, int offset) Construct the command by reading the buffer
void	setContext(long context) Set the command's context
int	writeToBuffer(byte[] buffer, int offset) Serialize the command into the byte buffer

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

_tag

protected long _tag

_context

protected long _context

Constructor Detail

CommandElement

public CommandElement()

Method Detail

getContext

public long getContext()

Return the context of this command element

Returns:

context

getSize

public int getSize()

Return the size of this command in number of bytes

Returns:

size

getTag

public long getTag()

Return the command tag

Returns:

tag

readFromBuffer

public int readFromBuffer(byte[] buffer,
                          int offset)

Construct the command by reading the buffer

Parameters:

buffer - Buffer containing serialized command

offset - Start position for reading

Returns:

setContext

public void setContext(long context)

Set the command's context

Parameters:

context -

writeToBuffer

public int writeToBuffer(byte[] buffer,
                         int offset)

Serialize the command into the byte buffer

Parameters:

buffer - Buffer containing serialized command

offset - Start position for reading

Returns: