blasd.apex.core.util

Class ApexProcessHelper

java.lang.Object

blasd.apex.core.util.ApexProcessHelper

public class ApexProcessHelper
extends Object

Various helpers for Process launched through a ProcessBuilder

Author:

Benoit Lacelle

Field Summary

Fields

Modifier and Type	Field and Description
protected static org.slf4j.Logger	LOGGER
protected static int	OS_MARKER_LINUX
protected static int	OS_MARKER_MAC
protected static int	OS_MARKER_WINDOWS

Constructor Summary

Constructors

Constructor and Description
ApexProcessHelper()

Method Summary

Modifier and Type	Method and Description
protected static OptionalLong	extractMemory(int osFlag, InputStream inputStream)
static String	getCommandAsString(List<String> command)
static long	getPidOfProcess(Process p)
static OptionalLong	getProcessResidentMemory(long pid)

Methods inherited from class java.lang.Object

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

Field Detail

LOGGER

protected static final org.slf4j.Logger LOGGER

OS_MARKER_LINUX

protected static final int OS_MARKER_LINUX

See Also:

Constant Field Values

OS_MARKER_WINDOWS

protected static final int OS_MARKER_WINDOWS

See Also:

Constant Field Values

OS_MARKER_MAC

protected static final int OS_MARKER_MAC

See Also:

Constant Field Values

Constructor Detail

ApexProcessHelper

public ApexProcessHelper()

Method Detail

getPidOfProcess

public static long getPidOfProcess(Process p)

getProcessResidentMemory

public static OptionalLong getProcessResidentMemory(long pid)
                                             throws IOException

Parameters:

pid - the PID of the process to consider

Returns:

the number of bytes in the resident memory of given process

Throws:

IOException

getCommandAsString

public static String getCommandAsString(List<String> command)

extractMemory

protected static OptionalLong extractMemory(int osFlag,
                                            InputStream inputStream)
                                     throws IOException

Throws:

IOException