162 lines
4.5 KiB
Java
162 lines
4.5 KiB
Java
/*
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* Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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* implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.hpcloud.mon.domain.model;
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import com.hpcloud.mon.common.model.alarm.AlarmState;
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import com.hpcloud.mon.common.model.alarm.AlarmSubExpression;
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import com.hpcloud.mon.domain.common.AbstractEntity;
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import java.io.Serializable;
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/**
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* Sub-alarm. Decorates an AlarmSubExpression.
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*/
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public class SubAlarm extends AbstractEntity implements Serializable {
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private static final long serialVersionUID = -3946708553723868124L;
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private String alarmId;
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private AlarmSubExpression expression;
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private AlarmState state;
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private boolean noState;
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/**
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* Whether metrics for this sub-alarm are received sporadically.
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*/
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private boolean sporadicMetric;
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public SubAlarm(String id, String alarmId, AlarmSubExpression expression) {
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this(id, alarmId, expression, AlarmState.UNDETERMINED);
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}
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// Need this for kryo serialization/deserialization. Fixes a bug in default java
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// serialization/deserialization where id was not being set. See resources/storm.yaml
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// file for how to handle serialization/deserialization with kryo.
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public SubAlarm() {
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}
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public SubAlarm(String id, String alarmId, AlarmSubExpression expression, AlarmState state) {
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this.id = id;
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this.alarmId = alarmId;
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this.expression = expression;
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this.state = state;
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}
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@Override
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public boolean equals(Object obj) {
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if (this == obj) {
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return true;
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}
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if (!super.equals(obj)) {
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return false;
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}
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if (getClass() != obj.getClass()) {
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return false;
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}
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SubAlarm other = (SubAlarm) obj;
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if (alarmId == null) {
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if (other.alarmId != null) {
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return false;
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}
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} else if (!alarmId.equals(other.alarmId)) {
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return false;
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}
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if (expression == null) {
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if (other.expression != null) {
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return false;
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}
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} else if (!expression.equals(other.expression)) {
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return false;
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}
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if (state != other.state) {
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return false;
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}
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return true;
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}
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public String getAlarmId() {
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return alarmId;
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}
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public AlarmSubExpression getExpression() {
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return expression;
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}
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public AlarmState getState() {
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return state;
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}
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@Override
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public int hashCode() {
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final int prime = 31;
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int result = super.hashCode();
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result = prime * result + ((alarmId == null) ? 0 : alarmId.hashCode());
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result = prime * result + ((expression == null) ? 0 : expression.hashCode());
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result = prime * result + ((state == null) ? 0 : state.hashCode());
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return result;
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}
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public boolean isSporadicMetric() {
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return sporadicMetric;
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}
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public void setSporadicMetric(boolean sporadicMetric) {
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this.sporadicMetric = sporadicMetric;
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}
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public void setState(AlarmState state) {
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this.state = state;
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}
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public boolean isNoState() {
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return noState;
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}
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public void setNoState(boolean noState) {
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this.noState = noState;
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}
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@Override
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public String toString() {
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return String.format("SubAlarm [id=%s, alarmId=%s, expression=%s, state=%s noState=%s]", id,
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alarmId, expression, state, noState);
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}
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/**
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* Determine if this SubAlarm and 'other' could reuse saved measurements. Only possible only
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* operator and/or threshold are the only properties from the expression that are different
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*
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* @param other SubAlarm to compare to
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* @return true if 'other' is "compatible", false otherwise
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*/
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public boolean isCompatible(final SubAlarm other) {
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if (!this.expression.getMetricDefinition().equals(other.expression.getMetricDefinition())) {
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return false;
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}
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if (!this.expression.getFunction().equals(other.expression.getFunction())) {
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return false;
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}
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if (this.expression.getPeriod() != other.expression.getPeriod()) {
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return false;
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}
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if (this.expression.getPeriods() != other.expression.getPeriods()) {
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return false;
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}
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// Operator and Threshold can vary
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return true;
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}
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}
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