| /* |
| * 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 org.apache.skywalking.oap.server.core.analysis.meter.function; |
| |
| import java.util.Arrays; |
| import java.util.List; |
| import lombok.Getter; |
| import lombok.Setter; |
| import lombok.ToString; |
| import org.apache.commons.lang3.StringUtils; |
| import org.apache.skywalking.oap.server.core.analysis.metrics.DataTable; |
| import org.apache.skywalking.oap.server.core.query.type.Bucket; |
| import org.apache.skywalking.oap.server.core.query.type.HeatMap; |
| |
| /** |
| * BucketedValues represents a value set, which elements are grouped by time bucket. |
| */ |
| @ToString |
| @Getter |
| public class BucketedValues { |
| |
| @Setter |
| private String group; |
| /** |
| * The element in the buckets represent the minimal value of this bucket, the max is defined by the next element. |
| * Such as 0, 10, 50, 100 means buckets are [0, 10), [10, 50), [50, 100), [100, infinite+). |
| * |
| * The {@link Long#MIN_VALUE} could be the first bucket element to indicate there is no minimal value. |
| */ |
| private long[] buckets; |
| /** |
| * {@link #buckets} and {@link #values} arrays should have the same length. The element in the values, represents |
| * the amount in the same index bucket. |
| */ |
| private long[] values; |
| |
| /** |
| * @param buckets Read {@link #buckets} |
| * @param values Read {@link #values} |
| */ |
| public BucketedValues(final long[] buckets, final long[] values) { |
| if (buckets == null || values == null || buckets.length == 0 || values.length == 0) { |
| throw new IllegalArgumentException("buckets and values can't be null."); |
| } |
| if (buckets.length != values.length) { |
| throw new IllegalArgumentException("The length of buckets and values should be same."); |
| } |
| this.buckets = buckets; |
| this.values = values; |
| } |
| |
| /** |
| * @return true if the bucket is same. |
| */ |
| public boolean isCompatible(DataTable dataset) { |
| final List<String> sortedKeys = dataset.sortedKeys(new HeatMap.KeyComparator(true)); |
| long[] existedBuckets = new long[sortedKeys.size()]; |
| for (int i = 0; i < sortedKeys.size(); i++) { |
| String key = sortedKeys.get(i); |
| if (key.equals(Bucket.INFINITE_NEGATIVE)) { |
| existedBuckets[i] = Long.MIN_VALUE; |
| } else { |
| // remove the group name |
| if (key.contains(":")) { |
| key = StringUtils.substringAfterLast(key, ":"); |
| } |
| existedBuckets[i] = Long.parseLong(key); |
| } |
| } |
| |
| return Arrays.equals(buckets, existedBuckets); |
| } |
| } |