ai.grakn.bootup

Class AbstractProcessHandler

java.lang.Object

ai.grakn.bootup.AbstractProcessHandler

Direct Known Subclasses:

EngineProcess, QueueProcess, StorageProcess

public abstract class AbstractProcessHandler
extends Object

Author:

Michele Orsi

Field Summary

Fields

Modifier and Type	Field and Description
static String	SH
static long	WAIT_INTERVAL_S

Constructor Summary

Constructors

Constructor and Description
AbstractProcessHandler()

Method Summary

Modifier and Type	Method and Description
OutputCommand	executeAndWait(String[] cmdarray, String[] envp, File dir)
Optional<String>	getPidFromFile(Path fileName)
String	getPidFromPsOf(String processName)
boolean	processIsRunning(Path pidFile)
void	processStatus(Path storagePid, String name)
int	retrievePid(Path pidFile)
String	selectCommand(String osx, String linux)
void	stopProgram(Path pidFile, String programName)
void	waitUntilStopped(Path pidFile, int pid)

Methods inherited from class java.lang.Object

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

Field Detail

WAIT_INTERVAL_S

public static final long WAIT_INTERVAL_S

See Also:

Constant Field Values

SH

public static final String SH

See Also:

Constant Field Values

Constructor Detail

AbstractProcessHandler

public AbstractProcessHandler()

Method Detail

executeAndWait

public OutputCommand executeAndWait(String[] cmdarray,
                                    String[] envp,
                                    File dir)

getPidFromFile

public Optional<String> getPidFromFile(Path fileName)

getPidFromPsOf

public String getPidFromPsOf(String processName)

retrievePid

public int retrievePid(Path pidFile)

waitUntilStopped

public void waitUntilStopped(Path pidFile,
                             int pid)

selectCommand

public String selectCommand(String osx,
                            String linux)

processIsRunning

public boolean processIsRunning(Path pidFile)

stopProgram

public void stopProgram(Path pidFile,
                        String programName)

processStatus

public void processStatus(Path storagePid,
                          String name)