Package jenkins.util

Class JenkinsJVM

java.lang.Object

jenkins.util.JenkinsJVM

public class JenkinsJVM
extends Object

A utility class to identify if the current JVM is the one that is running Jenkins

Since:

1.653

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	JenkinsJVM()	Protect against people instantiating this class.

Method Summary

Modifier and Type	Method	Description
static void	checkJenkinsJVM()	Verify that the classloader that loaded this class is the classloader from which Jenkins has been started.
static void	checkNotJenkinsJVM()	Verify that the classloader that loaded this class is not the classloader from which Jenkins has been started.
static boolean	isJenkinsJVM()	Identify whether the classloader that loaded this class is the classloader from which Jenkins has been started.
protected static void	setJenkinsJVM(boolean jenkinsJVM)	Used by WebAppMain.contextInitialized(ServletContextEvent) and WebAppMain.contextDestroyed(ServletContextEvent) to identify the classloader and JVM which started Jenkins

Methods inherited from class java.lang.Object

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

Constructor Detail

JenkinsJVM

@Restricted(org.kohsuke.accmod.restrictions.NoExternalUse.class)
protected JenkinsJVM()

Protect against people instantiating this class.

Method Detail

isJenkinsJVM

public static boolean isJenkinsJVM()

Identify whether the classloader that loaded this class is the classloader from which Jenkins has been started.

Returns:

true if this is the classloader on the JVM that started Jenkins otherwise false

checkJenkinsJVM

public static void checkJenkinsJVM()

Verify that the classloader that loaded this class is the classloader from which Jenkins has been started.

Throws:

IllegalStateException - if this is not the classloader on the JVM that started Jenkins.

checkNotJenkinsJVM

public static void checkNotJenkinsJVM()

Verify that the classloader that loaded this class is not the classloader from which Jenkins has been started.

Throws:

IllegalStateException - if this is the classloader on the JVM that started Jenkins.

setJenkinsJVM

@Restricted(org.kohsuke.accmod.restrictions.NoExternalUse.class)
protected static void setJenkinsJVM(boolean jenkinsJVM)

Used by WebAppMain.contextInitialized(ServletContextEvent) and WebAppMain.contextDestroyed(ServletContextEvent) to identify the classloader and JVM which started Jenkins

Parameters:

jenkinsJVM - true if and only if this is the classloader and JVM that started Jenkins.