Package org.apache.storm.container.cgroup

Class CgroupUtils

java.lang.Object

org.apache.storm.container.cgroup.CgroupUtils

public class CgroupUtils
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static final String	CGROUP_STATUS_FILE
static final String	MOUNT_STATUS_FILE

Constructor Summary

Constructors

Constructor	Description
CgroupUtils()

Method Summary

Modifier and Type	Method	Description
static void	deleteDir(String dir)
static boolean	enabled()
static String	getDir(String dir, String constant)
static Set<SubSystemType>	getSubSystemsFromString(String str)	Get a set of SubSystemType objects from a comma delimited list of subsystem names.
static List<String>	readFileByLine(String filePath)
static String	subSystemsToString(Set<SubSystemType> subSystems)	Get a string that is a comma delimited list of subsystems.
static void	writeFileByLine(String filePath, String lineToWrite)
static void	writeFileByLine(String filePath, List<String> linesToWrite)

Methods inherited from class java.lang.Object

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

Field Details

CGROUP_STATUS_FILE

public static final String CGROUP_STATUS_FILE

See Also:

• Constant Field Values

MOUNT_STATUS_FILE

public static final String MOUNT_STATUS_FILE

See Also:

• Constant Field Values

Constructor Details

CgroupUtils

public CgroupUtils()

Method Details

deleteDir

public static void deleteDir(String dir)

getSubSystemsFromString

public static Set<SubSystemType> getSubSystemsFromString(String str)

Get a set of SubSystemType objects from a comma delimited list of subsystem names.

subSystemsToString

public static String subSystemsToString(Set<SubSystemType> subSystems)

Get a string that is a comma delimited list of subsystems.

enabled

public static boolean enabled()

readFileByLine

public static List<String> readFileByLine(String filePath)
                                   throws IOException

Throws:

IOException

writeFileByLine

public static void writeFileByLine(String filePath,
 List<String> linesToWrite)
                            throws IOException

Throws:

IOException

writeFileByLine

public static void writeFileByLine(String filePath,
 String lineToWrite)
                            throws IOException

Throws:

IOException

getDir

public static String getDir(String dir,
 String constant)