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[Minor] Log long running observer updates

This commit is contained in:
Robert von Burg 2022-07-01 15:14:25 +02:00
parent 2aab18c2a2
commit 2668063d97
Signed by: eitch
GPG Key ID: 75DB9C85C74331F7
2 changed files with 39 additions and 0 deletions
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32
li.strolch.agent/src/main/java/li/strolch/agent/api/ObserverEvent.java
View File

@ -1,5 +1,12 @@
package li.strolch.agent.api;
import static java.util.stream.Collectors.groupingBy;
import static java.util.stream.Collectors.joining;
import java.util.List;
import java.util.Map;
import li.strolch.model.StrolchElement;
import li.strolch.model.StrolchRootElement;
import li.strolch.utils.collections.MapOfLists;
@ -7,4 +14,29 @@ public class ObserverEvent {
public MapOfLists<String, StrolchRootElement> added = new MapOfLists<>();
public MapOfLists<String, StrolchRootElement> updated = new MapOfLists<>();
public MapOfLists<String, StrolchRootElement> removed = new MapOfLists<>();
@Override
public String toString() {
String added = this.added.isEmpty() ? "0" : collectSizes(this.added);
String updated = this.updated.isEmpty() ? "0" : collectSizes(this.updated);
String removed = this.removed.isEmpty() ? "0" : collectSizes(this.removed);
return "ObserverEvent{added=" + added + ", updated=" + updated + ", removed=" + removed + "}";
}
private String collectSizes(MapOfLists<String, StrolchRootElement> added) {
return added.stream()
.map(entry -> entry.getKey() + "=[" + collectSizeByType(entry) + "]")
.collect(joining(","));
}
private static String collectSizeByType(Map.Entry<String, List<StrolchRootElement>> entry) {
String sizeByType = entry.getValue()
.stream()
.collect(groupingBy(StrolchElement::getType))
.entrySet()
.stream()
.map(e -> e.getKey() + "=" + e.getValue().size())
.collect(joining(","));
return sizeByType;
}
}

7
li.strolch.agent/src/main/java/li/strolch/agent/impl/DefaultObserverHandler.java
View File

@ -18,6 +18,7 @@ package li.strolch.agent.impl;
import static li.strolch.model.Tags.AGENT;
import static li.strolch.runtime.StrolchConstants.SYSTEM_USER_AGENT;
import static li.strolch.utils.collections.SynchronizedCollections.synchronizedMapOfLists;
import static li.strolch.utils.helper.StringHelper.formatNanoDuration;
import java.text.MessageFormat;
import java.util.ArrayList;
@ -87,6 +88,8 @@ public class DefaultObserverHandler implements ObserverHandler {
try {
ObserverEvent event = this.eventQueue.takeFirst();
long start = System.nanoTime();
for (String key : event.added.keySet()) {
List<StrolchRootElement> list = event.added.getList(key);
if (list != null)
@ -103,6 +106,10 @@ public class DefaultObserverHandler implements ObserverHandler {
notifyRemove(key, list);
}
long durationNanos = System.nanoTime() - start;
if (durationNanos >= 250000000L)
logger.warn("Observer update for event " + event + " took " + formatNanoDuration(durationNanos));
} catch (InterruptedException e) {
if (this.run)
logger.error("Failed to do updates!", e);