The File Menu. The File menu allows you to open a new
tree view or quit the Openwings Explorer.
Select File -> New Tree View. A window will be displayed within
the Explorer. It displays any Openwings entities that it found
on your network in a hierarchical tree (More
about the hierarchy). You can open as many new tree views
as you want.
All the Openwings platforms currently available are shown. Expand
one of the platform nodes by clicking on the small "expand"
widget next to its icon. The Openwings Explorer will discover
all the components and processes that are currently on that platform.
If you were using the Openwings shell, you could have obtained
the same information using the "cd"
and "ls"
commands.
Here you can see there are 5 processes currently running and
13 components installed on this platform. (The components shown
in this figure are the ones that come with Openwings out of the
box).
You can also view a process' services and management beans, if
it has any. Simply expand a process node in the same way you expanded
the platform node. Try expanding the openwings_Installer process,
for example. If there is a user interface associated an MBean
or Service, you can launch that UI from the Openwings Explorer.
The next illustration shows the Installer
process, the logging MBean associated with it, and its UI.
Right-clicking (Mac: control-clicking) on a node in the tree
will display a pop-up menu with a list of commands. If you right-click
on the UI node, for example, a pop-up menu will appear with one
choice: "Execute". Selecting it will display the Logging
MBean user interface, which allows you to
control logging levels for the process you expanded.
This is how you execute UIs in the Openwings Explorer. Try right-clicking
on other types of nodes in the tree to access different commands.
We'll learn more about these later.
The Options Menu. As you install
and uninstall components, and start and stop processes (see the
next few sections) the Explorer will display a message dialog
when an operation succeeds. When an operation fails, the Explorer
will show an error dialog. The Options menu allows you to optionally
turn on or off these dialogs.
Additionally, you can select whether you want the Explorer to
open and maximize a tree view for you when it starts. You can
also adjust how long stopped processes remain in the tree listing
before they are removed (useful for getting status on a component
that you're debugging).
The Utilities Menu. If you need to install a component
on many platforms, or would like to change the level of log output
that the Openwings Explorer prints to standard output, use the
options in the Utilities menu.
The Window Menu. The Window menu provides convenient commands
for managing multiple tree windows. If a window is hidden behind
another, bring it to the front by selecting that window's name
from the Window menu. Use the Tile Windows command to tile all
the open windows on the screen. You may wish to expand one platform
per window and then tile your windows so you can see what is happening
on multiple computers at once.
The Help Menu. The Help menu provides a link to this tutorial
and accesses the Explorer's "About box".
Next: Installing
a Component
