/*
 * 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 java.util.ArrayList;
import java.util.List;

import lombok.Data;

import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.google.common.collect.Iterables;
import com.spotify.heroic.common.Series;

@Data
public class WriteMetric {
    final Series series;
    final List<MetricCollection> groups;

    @JsonCreator
    public WriteMetric(@JsonProperty("series") Series series, @JsonProperty("groups") List<MetricCollection> groups) {
        this.series = series;
        this.groups = groups;
    }

    public boolean isEmpty() {
        return groups.isEmpty();
    }

    public Iterable<Metric> all() {
        final List<Iterable<? extends Metric>> iterables = new ArrayList<>(groups.size());

        for (final MetricCollection g : groups) {
            iterables.add(g.getData());
        }

        return Iterables.concat(iterables);
    }
}
@@ -931,29 +931,8 @@
 t;%0A%0A
-import lombok.Data;%0A%0A
 impo
@@ -1120,16 +1120,37 @@
 eries;%0A%0A
+import lombok.Data;%0A%0A
 @Data%0Apu
@@ -1497,24 +1497,59 @@
  groups.
+stream().allMatch(MetricCollection::
 isEmpty
-(
 );%0A    %7D

Fix WriteMetric#isEmpty