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Oracle GlassFish Server Message Queue Developer's Guide for JMX Clients
Release 4.5.2

Part Number E24946-01
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Preface

This Developer's Guide for JMX Clients describes the application programming interface provided in Message Queue for programmatically configuring and monitoring Message Queue resources in conformance with the Java Management Extensions (JMX). These functions are also available to system administrators by way of the Message Queue Administration Console and command line utilities, as described in the Oracle GlassFish Server Message Queue Administration Guide; the API described here makes the same administrative functionality available programmatically from within a running client application. Broker properties and command-line options that support the JMX API are described in the Oracle GlassFish Server Message Queue Administration Guide .

This preface consists of the following sections:

Who Should Use This Book

This guide is intended for Java application developers wishing to use the Message Queue JMX API to perform Message Queue administrative tasks programmatically from within a client application.

Before You Read This Book

This guide assumes that you are already familiar with general Message Queue concepts, administrative operations, and Java client programming, as described in the following manuals:

You should also be familiar with the general principles of the Java Management Extensions, as described in the following publications:

Together, these two publications are referred to hereafter as the JMX Specification.

How This Book Is Organized

The following table describes the contents of this manual.

Chapter Description

Chapter 1, "Introduction to JMX Programming for Message Queue Clients"

Introduces the basic concepts and principles of the Message Queue JMX interface.

Chapter 2, "Using the JMX API"

Provides code examples showing how to use the JMX application programming interface from within your Message Queue client applications.

Chapter 3, "Message Queue MBean Reference"

Provides detailed information on the attributes, operations, and notifications provided by Message Queue managed beans (MBeans).

Appendix A, "Alphabetical Reference"

Lists the MBean attributes, operations, and notifications alphabetically, with references back to their descriptions in the body of the manual.


Documentation Conventions

This section describes the following conventions used in Message Queue documentation:

Typographic Conventions

The following table describes the typographic conventions that are used in this book.

Typeface Meaning Example

AaBbCc123

The names of commands, files, and directories, and onscreen computer output

Edit your .login file.

Use ls a to list all files.

machine_name% you have mail.

AaBbCc123

What you type, contrasted with onscreen computer output

machine_name% su

Password:

aabbcc123

Placeholder: replace with a real name or value

The command to remove a file is rm filename.

AaBbCc123

Book titles, new terms, and terms to be emphasized

Read Chapter 6 in the User's Guide.

A cache is a copy that is stored locally.

Do not save the file.

Note: Some emphasized items appear bold online.


Symbol Conventions

The following table explains symbols that might be used in this book.

Symbol Description Example Meaning

[ ]

Contains optional arguments and command options.

ls [-l]

The -l option is not required.

{ | }

Contains a set of choices for a required command option.

-d {y|n}

The -d option requires that you use either the y argument or the n argument.

${ }

Indicates a variable reference.

${com.sun.javaRoot}

References the value of the com.sun.javaRoot variable.

-

Joins simultaneous multiple keystrokes.

Control-A

Press the Control key while you press the A key.

+

Joins consecutive multiple keystrokes.

Ctrl+A+N

Press the Control key, release it, and then press the subsequent keys.

>

Indicates menu item selection in a graphical user interface.

File > New > Templates

From the File menu, choose New. From the New submenu, choose Templates.


Shell Prompt Conventions

The following table shows the conventions used in Message Queue documentation for the default UNIX system prompt and superuser prompt for the C shell, Bourne shell, Korn shell, and for the Windows operating system.

Shell Prompt

C shell on UNIX, Linux, or AIX

machine-name%

C shell superuser on UNIX, Linux, or AIX

machine-name#

Bourne shell and Korn shell on UNIX, Linux, or AIX

$

Bourne shell and Korn shell superuser on UNIX, Linux, or AIX

#

Windows command line

C:\>


Directory Variable Conventions

Message Queue documentation makes use of three directory variables; two of which represent environment variables needed by Message Queue. (How you set the environment variables varies from platform to platform.)

The following table describes the directory variables that might be found in this book and how they are used. Some of these variables refer to the directory mqInstallHome, which is the directory where Message Queue is installed to when using the installer or unzipped to when using a zip-based distribution.

Note:

In this book, directory variables are shown without platform-specific environment variable notation or syntax (such as $IMQ_HOME on UNIX). Non-platform-specific path names use UNIX directory separator (/) notation.

Variable Description

IMQ_HOME

The Message Queue home directory:

  • For installations of Message Queue bundled with GlassFish Server, IMQ_HOME is as-install-parent/mq, where as-install-parent is the parent directory of the GlassFish Server base installation directory, glassfish3 by default.

  • For installations of Open Message Queue, IMQ_HOME is mqInstallHome/mq.

IMQ_VARHOME

The directory in which Message Queue temporary or dynamically created configuration and data files are stored; IMQ_VARHOME can be explicitly set as an environment variable to point to any directory or will default as described below:

  • For installations of Message Queue bundled with GlassFish Server, IMQ_VARHOME defaults to as-install-parent/glassfish/domains/domain1/imq.

  • For installations of Open Message Queue, IMQ_HOME defaults to mqInstallHome/var/mq.

IMQ_JAVAHOME

An environment variable that points to the location of the Java runtime environment (JRE) required by Message Queue executable files. By default, Message Queue looks for and uses the latest JDK, but you can optionally set the value of IMQ_JAVAHOME to wherever the preferred JRE resides.


Related Documentation

The information resources listed in this section provide further information about Message Queue in addition to that contained in this manual. The section covers the following resources:

Message Queue Documentation Set

The documents that constitute the Message Queue documentation set are listed in the following table in the order in which you might normally use them. These documents are available through the Oracle GlassFish Server documentation web site at http://www.oracle.com/technetwork/indexes/documentation/index.html.

Document Audience Description

Technical Overview

Developers and administrators

Describes Message Queue concepts, features, and components.

Release Notes

Developers and administrators

Includes descriptions of new features, limitations, and known bugs, as well as technical notes.

Administration Guide

Administrators, also recommended for developers

Provides background and information needed to perform administration tasks using Message Queue administration tools.

Developer's Guide for Java Clients

Developers

Provides a quick-start tutorial and programming information for developers of Java client programs using the Message Queue implementation of the JMS or SOAP/JAXM APIs.

Developer's Guide for C Clients

Developers

Provides programming and reference documentation for developers of C client programs using the Message Queue C implementation of the JMS API (C-API).

Developer's Guide for JMX Clients

Administrators

Provides programming and reference documentation for developers of JMX client programs using the Message Queue JMX API.


Java Message Service (JMS) Specification

The Message Queue message service conforms to the Java Message Service (JMS) application programming interface, described in the Java Message Service Specification. This document can be found at the URL http://www.oracle.com/technetwork/java/jms/index.html.

JavaDoc

JMS and Message Queue API documentation in JavaDoc format is included in Message Queue installations at IMQ_HOME/javadoc/index.html. This documentation can be viewed in any HTML browser. It includes standard JMS API documentation as well as Message Queue-specific APIs.

Example Client Applications

Message Queue provides a number of example client applications to assist developers.

Example Java Client Applications

Example Java client applications are included in Message Queue installations at IMQ_HOME/examples. See the README files located in this directory and its subdirectories for descriptive information about the example applications.

Example C Client Programs

Example C client applications are included in Message Queue installations at IMQ_HOME/examples/C. See the README files located in this directory and its subdirectories for descriptive information about the example applications.

Example JMX Client Programs

Example Java Management Extensions (JMX) client applications are included in Message Queue installations at IMQ_HOME/examples/jmx. See the README files located in this directory and its subdirectories for descriptive information about the example applications.

Online Help

Online help is available for the Message Queue command line utilities; for details, see "Command Line Reference" in Oracle GlassFish Server Message Queue Administration Guide. The Message Queue graphical user interface (GUI) administration tool, the Administration Console, also includes a context-sensitive help facility; for details, see "Administration Console Online Help" in Oracle GlassFish Server Message Queue Administration Guide.

Documentation, Support, and Training

The Oracle web site provides information about the following additional resources:

Documentation Accessibility

For information about Oracle's commitment to accessibility, visit the Oracle Accessibility Program website at http://www.oracle.com/pls/topic/lookup?ctx=acc&id=docacc.

Access to Oracle Support

Oracle customers have access to electronic support through My Oracle Support. For information, visit http://www.oracle.com/pls/topic/lookup?ctx=acc&id=info or visit http://www.oracle.com/pls/topic/lookup?ctx=acc&id=trs if you are hearing impaired.