| /* |
| * 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.geode.internal.statistics; |
| |
| import java.util.Iterator; |
| |
| import org.apache.geode.StatisticDescriptor; |
| import org.apache.geode.Statistics; |
| import org.apache.geode.StatisticsType; |
| |
| /** |
| * @since GemFire 7.0 |
| */ |
| public interface StatisticsNotification extends Iterable<StatisticId> { |
| |
| enum Type { |
| /** CounterMonitor threshold was exceeded */ |
| THRESHOLD_VALUE_EXCEEDED, |
| /** GaugeMonitor low-threshold was exceeded */ |
| THRESHOLD_LOW_VALUE_EXCEEDED, |
| /** GaugeMonitor high-threshold was exceeded */ |
| THRESHOLD_HIGH_VALUE_EXCEEDED, |
| /** ValueMonitor expected value was matched */ |
| VALUE_MATCHED, |
| /** ValueMonitor expected value was differed */ |
| VALUE_DIFFERED, |
| /** ValueMonitor value(s) changed */ |
| VALUE_CHANGED |
| } |
| |
| /** Returns the timestamp of the stat sample */ |
| long getTimeStamp(); |
| |
| /** Returns the notification type */ |
| Type getType(); |
| |
| /** Returns an iterator of all the stat instances that met the monitor's criteria */ |
| @Override |
| Iterator<StatisticId> iterator(); |
| |
| /** |
| * Returns an iterator of all the stat instances for the specified descriptor that met the |
| * monitor's criteria |
| */ |
| Iterator<StatisticId> iterator(StatisticDescriptor statDesc); |
| |
| /** |
| * Returns an iterator of all the stat instances for the specified statistics instance that met |
| * the monitor's criteria |
| */ |
| Iterator<StatisticId> iterator(Statistics statistics); |
| |
| /** |
| * Returns an iterator of all the stat instances for the specified statistics type that met the |
| * monitor's criteria |
| */ |
| Iterator<StatisticId> iterator(StatisticsType statisticsType); |
| |
| /** Returns the value for the specified stat instance */ |
| Number getValue(StatisticId statId) throws StatisticNotFoundException; |
| } |