Java tutorial
/** * Copyright (c) 2016 Connio Inc. * * Licensed 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. * * Authors: juan@connio.com * */ package com.connio.sdk.resource.alert; import com.fasterxml.jackson.annotation.JsonCreator; import com.fasterxml.jackson.annotation.JsonProperty; import com.fasterxml.jackson.annotation.JsonValue; import com.google.common.base.MoreObjects; import com.google.common.collect.ImmutableList; import org.apache.commons.lang3.text.WordUtils; import java.util.Objects; public class AlertCheck { public enum Severity { Critical, Warning; @JsonValue public String value() { return name().toLowerCase(); } @JsonCreator public static Severity fromValue(@JsonProperty("name") final String name) { return Severity.valueOf(WordUtils.capitalize(name.toLowerCase())); } } private final Severity severity; private final String expression; private final ImmutableList<AlertHandler> handlers; @JsonCreator public AlertCheck(@JsonProperty("severity") Severity severity, @JsonProperty("expression") String expression, @JsonProperty("handlers") ImmutableList<AlertHandler> handlers) { this.severity = severity; this.expression = expression; this.handlers = handlers; } public Severity getSeverity() { return severity; } public String getExpression() { return expression; } public ImmutableList<AlertHandler> getHandlers() { return handlers; } @Override public boolean equals(Object o) { if (this == o) return true; if (o == null || getClass() != o.getClass()) return false; AlertCheck that = (AlertCheck) o; return Objects.equals(getSeverity(), that.getSeverity()) && Objects.equals(getExpression(), that.getExpression()) && Objects.equals(getHandlers(), that.getHandlers()); } @Override public int hashCode() { return Objects.hash(getSeverity(), getExpression(), getHandlers()); } @Override public String toString() { return MoreObjects.toStringHelper("AlertCheck").add("severity", getSeverity()) .add("expression", getExpression()).add("handlers", getHandlers()).toString(); } }