/*
* Copyright (c) 2015 Spotify AB.
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 com.spotify.heroic.metric;
import com.google.common.collect.ImmutableList;
import com.spotify.heroic.cluster.ClusterShard;
import com.spotify.heroic.common.RequestTimer;
import com.spotify.heroic.common.Series;
import eu.toolchain.async.Collector;
import eu.toolchain.async.Transform;
import lombok.Data;
import java.util.List;
@Data
public class WriteMetric {
private final List<RequestError> errors;
private final List<Long> times;
public static WriteMetric of() {
return new WriteMetric(ImmutableList.of(), ImmutableList.of());
}
private static WriteMetric of(final Long time) {
return new WriteMetric(ImmutableList.of(), ImmutableList.of(time));
}
public static WriteMetric error(final RequestError error) {
return new WriteMetric(ImmutableList.of(error), ImmutableList.of());
}
public static Transform<Throwable, WriteMetric> shardError(final ClusterShard c) {
return e -> new WriteMetric(ImmutableList.of(ShardError.fromThrowable(c, e)),
ImmutableList.of());
}
public static Collector<WriteMetric, WriteMetric> reduce() {
return results -> {
final ImmutableList.Builder<RequestError> errors = ImmutableList.builder();
final ImmutableList.Builder<Long> times = ImmutableList.builder();
for (final WriteMetric r : results) {
errors.addAll(r.getErrors());
times.addAll(r.getTimes());
}
return new WriteMetric(errors.build(), times.build());
};
}
public static RequestTimer<WriteMetric> timer() {
return new RequestTimer<>(WriteMetric::of);
}
@Data
public static class Request {
final Series series;
final MetricCollection data;
}
}