ai.grakn.engine.bootup

Class BootupProcessExecutor

java.lang.Object

ai.grakn.engine.bootup.BootupProcessExecutor

public class BootupProcessExecutor
extends Object

This class is responsible for spawning process.

Author:

Michele Orsi

Field Summary

Fields

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

Constructor Summary

Constructors

Constructor and Description
BootupProcessExecutor()

Method Summary

Modifier and Type	Method and Description
BootupProcessResult	executeAndWait(List<String> command, File workingDirectory)
CompletableFuture<BootupProcessResult>	executeAsync(List<String> command, File workingDirectory)
Optional<String>	getPidFromFile(Path fileName)
String	getPidFromPsOf(String processName)
boolean	isProcessRunning(Path pidFile)
void	processStatus(Path storagePid, String name)
int	retrievePid(Path pidFile)
void	stopProcessIfRunning(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_SECOND

public static final long WAIT_INTERVAL_SECOND

See Also:

Constant Field Values

SH

public static final String SH

See Also:

Constant Field Values

Constructor Detail

BootupProcessExecutor

public BootupProcessExecutor()

Method Detail

executeAsync

public CompletableFuture<BootupProcessResult> executeAsync(List<String> command,
                                                           File workingDirectory)

executeAndWait

public BootupProcessResult executeAndWait(List<String> command,
                                          File workingDirectory)

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)

isProcessRunning

public boolean isProcessRunning(Path pidFile)

stopProcessIfRunning

public void stopProcessIfRunning(Path pidFile,
                                 String programName)

processStatus

public void processStatus(Path storagePid,
                          String name)