jdk-sandbox: src/java.management/share/classes/javax/management/loading/package.html@54ffb15c4839 (annotated)

2 90ce3da70b43 Initial load duke parents: diff changeset	1	<html>
90ce3da70b43 Initial load duke parents: diff changeset	2	<head>
90ce3da70b43 Initial load duke parents: diff changeset	3	<title>javax.management.loading package</title>
90ce3da70b43 Initial load duke parents: diff changeset	4	<!--
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90ce3da70b43 Initial load duke parents: diff changeset	28	</head>
90ce3da70b43 Initial load duke parents: diff changeset	29	<body bgcolor="white">
90ce3da70b43 Initial load duke parents: diff changeset	30
90ce3da70b43 Initial load duke parents: diff changeset	31	<p>Provides the classes which implement advanced dynamic
90ce3da70b43 Initial load duke parents: diff changeset	32	loading. See the chapter <em>Advanced Dynamic Loading</em> in
90ce3da70b43 Initial load duke parents: diff changeset	33	the <a href="#spec">JMX Specification</a>.</p>
90ce3da70b43 Initial load duke parents: diff changeset	34
90ce3da70b43 Initial load duke parents: diff changeset	35	<p>An MBean that is of a subclass of {@link
90ce3da70b43 Initial load duke parents: diff changeset	36	java.lang.ClassLoader} can be used as a class loader to create
90ce3da70b43 Initial load duke parents: diff changeset	37	other MBeans via the method {@link
90ce3da70b43 Initial load duke parents: diff changeset	38	javax.management.MBeanServer#createMBean(String, ObjectName,
90ce3da70b43 Initial load duke parents: diff changeset	39	ObjectName, Object[], String[])}, and to instantiate arbitrary
90ce3da70b43 Initial load duke parents: diff changeset	40	objects via the method {@link
90ce3da70b43 Initial load duke parents: diff changeset	41	javax.management.MBeanServer#instantiate(String, ObjectName,
90ce3da70b43 Initial load duke parents: diff changeset	42	Object[], String[])}. The {@link
90ce3da70b43 Initial load duke parents: diff changeset	43	javax.management.loading.MLet MLet} class is an example of
90ce3da70b43 Initial load duke parents: diff changeset	44	such an MBean. It is a {@link java.net.URLClassLoader
90ce3da70b43 Initial load duke parents: diff changeset	45	URLClassLoader}, so the list of URLs to load classes from can
90ce3da70b43 Initial load duke parents: diff changeset	46	be configured.</p>
90ce3da70b43 Initial load duke parents: diff changeset	47
90ce3da70b43 Initial load duke parents: diff changeset	48	<p>Additionally, an <code>MLet</code> can read a configuration
90ce3da70b43 Initial load duke parents: diff changeset	49	file that specifies a set of MBeans to be registered in the same
90ce3da70b43 Initial load duke parents: diff changeset	50	MBean Server as the <code>MLet</code>.</p>
90ce3da70b43 Initial load duke parents: diff changeset	51
90ce3da70b43 Initial load duke parents: diff changeset	52	<p>Every MBean Server has a <em>class loader repository</em>
90ce3da70b43 Initial load duke parents: diff changeset	53	containing all MBeans registered in that MBean Server that
90ce3da70b43 Initial load duke parents: diff changeset	54	are of a subclass of {@link java.lang.ClassLoader}. The class
90ce3da70b43 Initial load duke parents: diff changeset	55	loader repository is used by the forms of the
90ce3da70b43 Initial load duke parents: diff changeset	56	<code>createMBean</code> and <code>instantiate</code> methods
90ce3da70b43 Initial load duke parents: diff changeset	57	in the {@link javax.management.MBeanServer MBeanServer}
90ce3da70b43 Initial load duke parents: diff changeset	58	interface that do not have an explicit loader parameter. It
90ce3da70b43 Initial load duke parents: diff changeset	59	is also used by the <code>MLet</code> class when it does not
90ce3da70b43 Initial load duke parents: diff changeset	60	find a class in its own set of URLs.</p>
90ce3da70b43 Initial load duke parents: diff changeset	61
90ce3da70b43 Initial load duke parents: diff changeset	62	<p>If an MBean implements the interface {@link
90ce3da70b43 Initial load duke parents: diff changeset	63	javax.management.loading.PrivateClassLoader PrivateClassLoader},
90ce3da70b43 Initial load duke parents: diff changeset	64	then it is not added to the class loader repository. The class
90ce3da70b43 Initial load duke parents: diff changeset	65	{@link javax.management.loading.PrivateMLet PrivateMLet} is a
90ce3da70b43 Initial load duke parents: diff changeset	66	subclass of <code>MLet</code> that implements
90ce3da70b43 Initial load duke parents: diff changeset	67	<code>PrivateClassLoader</code>.</p>
90ce3da70b43 Initial load duke parents: diff changeset	68
90ce3da70b43 Initial load duke parents: diff changeset	69	<p id="spec">
46050 f51c14dc540f 8181895: javax management docs contain links to technotes uvangapally parents: 25859 diff changeset	70	@see <a href="https://jcp.org/aboutJava/communityprocess/mrel/jsr160/index2.html">
f51c14dc540f 8181895: javax management docs contain links to technotes uvangapally parents: 25859 diff changeset	71	JMX Specification, version 1.4</a>
2 90ce3da70b43 Initial load duke parents: diff changeset	72
90ce3da70b43 Initial load duke parents: diff changeset	73	@since 1.5
90ce3da70b43 Initial load duke parents: diff changeset	74	</BODY>
90ce3da70b43 Initial load duke parents: diff changeset	75	</HTML>

author	darcy
	Wed, 23 Oct 2019 13:01:40 -0700
changeset 58766	54ffb15c4839
parent 47216	71c04702a3d5
permissions	-rw-r--r--