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/*
* Copyright 2015 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.glowroot.container.aggregate;
import java.util.List;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.common.base.Stopwatch;
import org.glowroot.container.common.HttpClient;
import org.glowroot.container.common.ObjectMappers;
import static java.util.concurrent.TimeUnit.SECONDS;
public class AggregateService {
private static final ObjectMapper mapper = ObjectMappers.create();
private final HttpClient httpClient;
public AggregateService(HttpClient httpClient) {
this.httpClient = httpClient;
}
public List getQueries() throws Exception {
Stopwatch stopwatch = Stopwatch.createStarted();
while (stopwatch.elapsed(SECONDS) < 5) {
List queries = getQueriesInternal();
if (!queries.isEmpty()) {
return queries;
}
}
throw new AssertionError("No queries found");
}
private List getQueriesInternal() throws Exception {
String content = httpClient.get("/backend/transaction/queries?from=0&to=" + Long.MAX_VALUE
+ "&transaction-type=Test+harness");
return mapper.readValue(content, new TypeReference>() {});
}
}