com.alibaba.nacos.api.naming.pojo.healthcheck.AbstractHealthChecker Maven / Gradle / Ivy
/*
* Copyright 1999-2018 Alibaba Group Holding Ltd.
*
* 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.
*/
package com.alibaba.nacos.api.naming.pojo.healthcheck;
import com.alibaba.nacos.api.naming.pojo.healthcheck.AbstractHealthChecker.None;
import com.alibaba.nacos.api.naming.pojo.healthcheck.impl.Http;
import com.alibaba.nacos.api.naming.pojo.healthcheck.impl.Mysql;
import com.alibaba.nacos.api.naming.pojo.healthcheck.impl.Tcp;
import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.annotation.JsonSubTypes;
import com.fasterxml.jackson.annotation.JsonTypeInfo;
import com.fasterxml.jackson.annotation.JsonTypeInfo.Id;
import java.io.Serializable;
/**
* Abstract health checker.
*
* @author nkorange
*/
@JsonTypeInfo(use = Id.NAME, property = "type", defaultImpl = None.class)
@JsonSubTypes({@JsonSubTypes.Type(name = Http.TYPE, value = Http.class),
@JsonSubTypes.Type(name = Mysql.TYPE, value = Mysql.class),
@JsonSubTypes.Type(name = Tcp.TYPE, value = Tcp.class),
@JsonSubTypes.Type(name = None.TYPE, value = None.class)})
public abstract class AbstractHealthChecker implements Cloneable, Serializable {
private static final long serialVersionUID = 3848305577423336421L;
@JsonIgnore
protected final String type;
protected AbstractHealthChecker(String type) {
this.type = type;
}
public String getType() {
return type;
}
/**
* Clone all fields of this instance to another one.
*
* @return Another instance with exactly the same fields
* @throws CloneNotSupportedException clone not supported exception
*/
@Override
public abstract AbstractHealthChecker clone() throws CloneNotSupportedException;
/**
* Default implementation of Health checker.
*/
public static class None extends AbstractHealthChecker {
public static final String TYPE = "NONE";
private static final long serialVersionUID = -760631831097384737L;
public None() {
super(TYPE);
}
@Override
public AbstractHealthChecker clone() throws CloneNotSupportedException {
return new None();
}
}
}