Context to invoke extensions from a
DynamicMap.
When a plugin extension is invoked a logging tag with the plugin name is set. This way any
errors that are triggered by the plugin extension (even if they happen in Gerrit code which is
called by the plugin extension) can be easily attributed to the plugin.
Example if all exceptions should be caught and logged:
Map results = new HashMap<>();
fooPluginMapContext.runEach(
extension -> results.put(extension.getExportName(), extension.get().getFoo());
Example if all exceptions, but one, should be caught and logged:
Map results = new HashMap<>();
try {
fooPluginMapContext.runEach(
extension -> results.put(extension.getExportName(), extension.get().getFoo(),
MyException.class);
} catch (MyException e) {
// handle the exception
}
Example if return values should be handled:
Map results = new HashMap<>();
for (PluginMapEntryContext c : fooPluginMapContext) {
if (c.call(extension -> extension.get().handles(x))) {
c.run(extension -> results.put(extension.getExportName(), extension.get().getFoo());
}
}
Example if return values and a single exception should be handled:
Map results = new HashMap<>();
try {
for (PluginMapEntryContext c : fooPluginMapContext) {
if (c.call(extension -> extension.handles(x), MyException.class)) {
c.run(extension -> results.put(extension.getExportName(), extension.get().getFoo(),
MyException.class);
}
}
} catch (MyException e) {
// handle the exception
}
Example if several exceptions should be handled:
for (Extension fooExtension : fooDynamicMap) {
try (TraceContext traceContext = PluginContext.newTrace(fooExtension)) {
fooExtension.get().doFoo();
} catch (MyException1 | MyException2 | MyException3 e) {
// handle the exception
}
}