Refactoring of Generator Node

This commit is contained in:
Igor Kulikov 2018-07-12 12:51:42 +03:00
parent 5faf9df11f
commit 52ffd5345c
2 changed files with 26 additions and 9 deletions

View File

@ -248,7 +248,9 @@ public class RuleChainActorMessageProcessor extends ComponentMsgProcessor<RuleCh
int relationsCount = relations.size();
EntityId ackId = msg.getRuleNodeId() != null ? msg.getRuleNodeId() : msg.getRuleChainId();
if (relationsCount == 0) {
queue.ack(tenantId, msg, ackId.getId(), msg.getClusterPartition());
if (ackId != null) {
queue.ack(tenantId, msg, ackId.getId(), msg.getClusterPartition());
}
} else if (relationsCount == 1) {
for (RuleNodeRelation relation : relations) {
pushToTarget(msg, relation.getOut(), relation.getType());
@ -266,7 +268,9 @@ public class RuleChainActorMessageProcessor extends ComponentMsgProcessor<RuleCh
}
}
//TODO: Ideally this should happen in async way when all targets confirm that the copied messages are successfully written to corresponding target queues.
queue.ack(tenantId, msg, ackId.getId(), msg.getClusterPartition());
if (ackId != null) {
queue.ack(tenantId, msg, ackId.getId(), msg.getClusterPartition());
}
}
}

View File

@ -47,11 +47,12 @@ import static org.thingsboard.rule.engine.api.TbRelationTypes.SUCCESS;
public class TbMsgGeneratorNode implements TbNode {
public static final String TB_MSG_GENERATOR_NODE_MSG = "TbMsgGeneratorNodeMsg";
private static final String TB_MSG_GENERATOR_NODE_MSG = "TbMsgGeneratorNodeMsg";
private TbMsgGeneratorNodeConfiguration config;
private ScriptEngine jsEngine;
private long delay;
private long lastScheduledTs;
private EntityId originatorId;
private UUID nextTickId;
private TbMsg prevMsg;
@ -66,28 +67,40 @@ public class TbMsgGeneratorNode implements TbNode {
originatorId = ctx.getSelfId();
}
this.jsEngine = ctx.createJsScriptEngine(config.getJsScript(), "prevMsg", "prevMetadata", "prevMsgType");
sentTickMsg(ctx);
scheduleTickMsg(ctx);
}
@Override
public void onMsg(TbContext ctx, TbMsg msg) {
if (msg.getType().equals(TB_MSG_GENERATOR_NODE_MSG) && msg.getId().equals(nextTickId)) {
withCallback(generate(ctx),
m -> {ctx.tellNext(m, SUCCESS); sentTickMsg(ctx);},
t -> {ctx.tellFailure(msg, t); sentTickMsg(ctx);});
m -> {
ctx.tellNext(m, SUCCESS);
scheduleTickMsg(ctx);
},
t -> {
ctx.tellFailure(msg, t);
scheduleTickMsg(ctx);
});
}
}
private void sentTickMsg(TbContext ctx) {
private void scheduleTickMsg(TbContext ctx) {
long curTs = System.currentTimeMillis();
if (lastScheduledTs == 0L) {
lastScheduledTs = curTs;
}
lastScheduledTs = lastScheduledTs + delay;
long curDelay = Math.max(0L, (lastScheduledTs - curTs));
TbMsg tickMsg = ctx.newMsg(TB_MSG_GENERATOR_NODE_MSG, ctx.getSelfId(), new TbMsgMetaData(), "");
nextTickId = tickMsg.getId();
ctx.tellSelf(tickMsg, delay);
ctx.tellSelf(tickMsg, curDelay);
}
private ListenableFuture<TbMsg> generate(TbContext ctx) {
return ctx.getJsExecutor().executeAsync(() -> {
if (prevMsg == null) {
prevMsg = ctx.newMsg( "", originatorId, new TbMsgMetaData(), "{}");
prevMsg = ctx.newMsg("", originatorId, new TbMsgMetaData(), "{}");
}
TbMsg generated = jsEngine.executeGenerate(prevMsg);
prevMsg = ctx.newMsg(generated.getType(), originatorId, generated.getMetaData(), generated.getData());