package org.skywalking.apm.collector.worker.span;
import com.google.gson.JsonObject;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.skywalking.apm.collector.actor.ClusterWorkerContext;
import org.skywalking.apm.collector.actor.LocalWorkerContext;
import org.skywalking.apm.collector.actor.ProviderNotFoundException;
import org.skywalking.apm.collector.actor.Role;
import org.skywalking.apm.collector.actor.selector.RollingSelector;
import org.skywalking.apm.collector.actor.selector.WorkerSelector;
import org.skywalking.apm.collector.worker.httpserver.AbstractGet;
import org.skywalking.apm.collector.worker.httpserver.AbstractGetProvider;
import org.skywalking.apm.collector.worker.span.persistence.SpanSearchWithId;
import org.skywalking.apm.collector.worker.tools.ParameterTools;
import java.util.Arrays;
import java.util.Map;
/**
* @author pengys5
*/
public class SpanGetWithId extends AbstractGet {
private Logger logger = LogManager.getFormatterLogger(SpanGetWithId.class);
SpanGetWithId(Role role, ClusterWorkerContext clusterContext, LocalWorkerContext selfContext) {
super(role, clusterContext, selfContext);
}
@Override
public void preStart() throws ProviderNotFoundException {
getClusterContext().findProvider(SpanSearchWithId.WorkerRole.INSTANCE).create(this);
}
@Override
protected void onSearch(Map<String, String[]> request, JsonObject response) throws Exception {
if (!request.containsKey("segId") || !request.containsKey("spanId")) {
throw new IllegalArgumentException("the request parameter must contains segId, spanId");
}
logger.debug("segId: %s, spanId: %s", Arrays.toString(request.get("segId")), Arrays.toString(request.get("spanId")));
String segId = ParameterTools.INSTANCE.toString(request, "segId");
String spanId = ParameterTools.INSTANCE.toString(request, "spanId");
SpanSearchWithId.RequestEntity requestEntity = new SpanSearchWithId.RequestEntity(segId, spanId);
getSelfContext().lookup(SpanSearchWithId.WorkerRole.INSTANCE).ask(requestEntity, response);
}
public static class Factory extends AbstractGetProvider<SpanGetWithId> {
@Override
public Role role() {
return WorkerRole.INSTANCE;
}
@Override
public SpanGetWithId workerInstance(ClusterWorkerContext clusterContext) {
return new SpanGetWithId(role(), clusterContext, new LocalWorkerContext());
}
@Override
public String servletPath() {
return "/span/spanId";
}
}
public enum WorkerRole implements Role {
INSTANCE;
@Override
public String roleName() {
return SpanGetWithId.class.getSimpleName();
}
@Override
public WorkerSelector workerSelector() {
return new RollingSelector();
}
}
}