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 and Description
static String	CGROUP_STATUS_FILE
static String	MOUNT_STATUS_FILE

Constructor Summary

Constructors

Constructor and Description
CgroupUtils()

Method Summary

Modifier and Type	Method and 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, List<String> linesToWrite)
static void	writeFileByLine(String filePath, String lineToWrite)

Methods inherited from class java.lang.Object

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

Field Detail

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 Detail

CgroupUtils

public CgroupUtils()

Method Detail

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)