public static Object call(final String key, final Map<String, Object> parameters)
throws FrameworkException {
final SecurityContext superUserContext = SecurityContext.getSuperUserInstance();
final App app = StructrApp.getInstance(superUserContext);
// we might want to introduce caching here at some point in the future..
// Cache can be invalidated when the schema is rebuilt for example..
final List<SchemaMethod> methods = app.nodeQuery(SchemaMethod.class).andName(key).getAsList();
if (methods.isEmpty()) {
logger.debug("Tried to call method {} but no SchemaMethod entity was found.", key);
} else {
for (final SchemaMethod method : methods) {
// only call methods that are NOT part of a schema node
final AbstractSchemaNode entity = method.getProperty(SchemaMethod.schemaNode);
if (entity == null) {
final String source = method.getProperty(SchemaMethod.source);
if (source != null) {
return Actions.execute(superUserContext, null, "${" + source + "}", parameters);
} else {
logger.warn("Schema method {} has no source code, will NOT be executed.", key);
}
} else {
logger.warn("Schema method {} is attached to an entity, will NOT be executed.", key);
}
}
}
return null;
}
@Override
public void run() {
final Services servicesInstance = Services.getInstance();
// wait for service layer to be initialized
while (!servicesInstance.isInitialized()) {
try {
Thread.sleep(1000);
} catch (InterruptedException iex) {
}
}
// sleep 5 seconds more
try {
Thread.sleep(5000);
} catch (InterruptedException iex) {
}
while (doRun) {
// sleep for some time
try {
Thread.sleep(GRANULARITY_UNIT.toMillis(GRANULARITY));
} catch (InterruptedException iex) {
}
for (CronEntry entry : cronEntries) {
if (entry.getDelayToNextExecutionInMillis() < GRANULARITY_UNIT.toMillis(GRANULARITY)) {
final String taskClassName = entry.getName();
final Class taskClass = instantiate(taskClassName);
try {
if (taskClass != null) {
Task task = (Task) taskClass.newInstance();
logger.debug("Starting task {}", taskClassName);
StructrApp.getInstance().processTasks(task);
} else {
try (final Tx tx = StructrApp.getInstance().tx()) {
// check for schema method with the given name
Actions.call(taskClassName, Collections.EMPTY_MAP);
tx.success();
}
}
} catch (Throwable t) {
logger.warn(
"Exception while executing cron task {}: {}", taskClassName, t.getMessage());
}
}
}
}
}