backtype.storm.utils
Class ShellProcess

java.lang.Object
  backtype.storm.utils.ShellProcess

All Implemented Interfaces:

Serializable

public class ShellProcess
extends Object
implements Serializable

See Also:

Serialized Form

Field Summary

static org.apache.log4j.Logger	LOG
ISerializer	serializer
static org.apache.log4j.Logger	ShellLogger

Constructor Summary

ShellProcess(String[] command)

Method Summary

void	destroy()
String	getErrorsString()
Number	launch(Map conf, TopologyContext context)
void	logErrorStream()
ShellMsg	readShellMsg()
void	writeBoltMsg(BoltMsg msg)
void	writeSpoutMsg(SpoutMsg msg)
void	writeTaskIds(List<Integer> taskIds)

Methods inherited from class java.lang.Object

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

Field Detail

LOG

public static org.apache.log4j.Logger LOG

ShellLogger

public static org.apache.log4j.Logger ShellLogger

serializer

public ISerializer serializer

Constructor Detail

ShellProcess

public ShellProcess(String[] command)

Method Detail

launch

public Number launch(Map conf,
                     TopologyContext context)

destroy

public void destroy()

readShellMsg

public ShellMsg readShellMsg()
                      throws IOException

Throws:

IOException

writeBoltMsg

public void writeBoltMsg(BoltMsg msg)
                  throws IOException

Throws:

IOException

writeSpoutMsg

public void writeSpoutMsg(SpoutMsg msg)
                   throws IOException

Throws:

IOException

writeTaskIds

public void writeTaskIds(List<Integer> taskIds)
                  throws IOException

Throws:

IOException

logErrorStream

public void logErrorStream()

getErrorsString

public String getErrorsString()