Examples with RuntimeScriptHandler org.csstudio.display.builder.runtime.script.internal.RuntimeScriptHandler used on opensource projects

Example 1 with RuntimeScriptHandler

use of org.csstudio.display.builder.runtime.script.internal.RuntimeScriptHandler in project org.csstudio.display.builder by kasemir.

the class WidgetRuntime method stop.

/**
 * Stop: Disconnect PVs, ...
 */
public void stop() {
    awaitStartup();
    widget.propClass().removePropertyListener(update_widget_class);
    final List<RuntimePV> safe_pvs = writable_pvs;
    if (safe_pvs != null) {
        for (final RuntimePV pv : safe_pvs) {
            removePV(pv);
            PVFactory.releasePV(pv);
        }
        writable_pvs = null;
    }
    final PVNameToValueBinding binding = pv_name_binding.getAndSet(null);
    if (binding != null)
        binding.dispose();
    final Map<ExecuteScriptActionInfo, Script> actions = action_scripts;
    if (actions != null) {
        actions.clear();
        action_scripts = null;
    }
    final List<RuntimeScriptHandler> handlers = script_handlers;
    if (handlers != null) {
        for (final RuntimeScriptHandler handler : handlers) handler.shutdown();
        script_handlers = null;
    }
    if (runtime_pvs != null) {
        final Collection<RuntimePV> pvs = runtime_pvs.getPVs();
        if (!pvs.isEmpty())
            logger.log(Level.SEVERE, widget + " has unreleased PVs: " + pvs);
    }
    // Close script support that might have been created
    // by RuntimeScriptHandlers or action-invoked scripts
    final ScriptSupport scripting = widget.getUserData(Widget.USER_DATA_SCRIPT_SUPPORT);
    if (scripting != null)
        scripting.close();
    // Prepare for another start()
    started = new CountDownLatch(1);
}

Example 2 with RuntimeScriptHandler

use of org.csstudio.display.builder.runtime.script.internal.RuntimeScriptHandler in project org.csstudio.display.builder by kasemir.

the class WidgetRuntime method startScripts.

/**
 * Start Scripts
 */
private void startScripts() {
    // Start scripts triggered by PVs
    final List<ScriptInfo> script_infos = widget.propScripts().getValue();
    final List<RuleInfo> rule_infos = widget.propRules().getValue();
    if ((script_infos.size() > 0) || (rule_infos.size() > 0)) {
        final List<RuntimeScriptHandler> handlers = new ArrayList<>(script_infos.size() + rule_infos.size());
        for (final ScriptInfo script_info : script_infos) {
            try {
                handlers.add(new RuntimeScriptHandler(widget, script_info));
            } catch (final Exception ex) {
                final StringBuilder buf = new StringBuilder();
                buf.append("Script failed to compile\n");
                try {
                    final DisplayModel model = widget.getDisplayModel();
                    buf.append("Display '").append(model.getDisplayName()).append("', ");
                } catch (Exception ignore) {
                // Skip display model
                }
                buf.append(widget).append(", ").append(script_info.getPath());
                logger.log(Level.WARNING, buf.toString(), ex);
            }
        }
        for (final RuleInfo rule_info : rule_infos) {
            try {
                handlers.add(new RuntimeScriptHandler(widget, rule_info));
            } catch (final Exception ex) {
                final StringBuilder buf = new StringBuilder();
                buf.append("Rule failed to compile\n");
                try {
                    final DisplayModel model = widget.getDisplayModel();
                    buf.append("Display '").append(model.getDisplayName()).append("', ");
                } catch (Exception ignore) {
                // Skip display model
                }
                buf.append(widget).append(", ").append(rule_info.getName());
                logger.log(Level.WARNING, buf.toString(), ex);
            }
        }
        script_handlers = handlers;
    }
    // Compile scripts invoked by actions
    final List<ActionInfo> actions = widget.propActions().getValue().getActions();
    if (actions.size() > 0) {
        final Map<ExecuteScriptActionInfo, Script> scripts = new HashMap<>();
        for (ActionInfo action_info : actions) {
            if (!(action_info instanceof ExecuteScriptActionInfo))
                continue;
            final ExecuteScriptActionInfo script_action = (ExecuteScriptActionInfo) action_info;
            try {
                final MacroValueProvider macros = widget.getMacrosOrProperties();
                final Script script = RuntimeScriptHandler.compileScript(widget, macros, script_action.getInfo());
                scripts.put(script_action, script);
            } catch (final Exception ex) {
                final StringBuilder buf = new StringBuilder();
                buf.append("Script for action failed to compile\n");
                try {
                    final DisplayModel model = widget.getDisplayModel();
                    buf.append("Display '").append(model.getDisplayName()).append("', ");
                } catch (Exception ignore) {
                // Skip display model
                }
                buf.append(widget).append(", ").append(script_action);
                logger.log(Level.WARNING, buf.toString(), ex);
            }
        }
        if (scripts.size() > 0)
            action_scripts = scripts;
    }
    // Signal that start() has completed
    started.countDown();
}