@Override
public StepExecutionResult executeImplementation(StepExecutionContext context)
throws MuseExecutionError {
StepConfiguration config = getConfiguration();
HashMap<String, Object> values = new HashMap<>();
for (String name : config.getSourceNames()) {
MuseValueSource source = getValueSource(config, name, false, context.getProject());
values.put(name, getValue(source, context, true, Object.class));
}
try {
JavascriptRunner runner = new JavascriptStepRunner();
runner.evalScript(_origin);
Object result = runner.invokeFunction(EXECUTE_FUNCTION, context, values);
if (result instanceof StepExecutionResult) return (StepExecutionResult) result;
else
context.raiseEvent(
new ScriptFailureEvent(
"Script did not return a StepExecutionResult. Instead, it returned: " + result,
null)); // TODO do something better than n/a
} catch (Throwable t) {
LOG.error("unable to execute script: ", t);
context.raiseEvent(
new ScriptFailureEvent(
"Script threw an exception: " + t.getMessage(),
t)); // TODO do something better than n/a
}
return new BasicStepExecutionResult(StepExecutionStatus.FAILURE);
}
private List<String> getNodeNames(StepExecutionContext executionContext) {
List<INodeEntry> orderedNodes =
INodeEntryComparator.rankOrderedNodes(
executionContext.getNodes(),
executionContext.getNodeRankAttribute(),
executionContext.isNodeRankOrderAscending());
List<String> names = new ArrayList<String>();
for (INodeEntry orderedNode : orderedNodes) {
names.add(orderedNode.getNodename());
}
return names;
}