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DynamicConfigEvent.java
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DynamicConfigEvent.java
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/*
* Copyright (C) 2021-2021 Huawei Technologies Co., Ltd. All rights reserved.
*
* 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 io.sermant.core.service.dynamicconfig.common;
import java.util.EventObject;
import java.util.Objects;
/**
* An event raised when the config changed, immutable.
*
* @author yangyshdan, HapThorin
* @version 1.0.0
* @see DynamicConfigEventType
* @since 2021-12-27
*/
public class DynamicConfigEvent extends EventObject {
private static final long serialVersionUID = 8199411666187944757L;
private final String key;
private final String group;
private final String content;
private final DynamicConfigEventType eventType;
/**
* constructor
*
* @param key key
* @param group group
* @param content config content
* @param eventType event type
*/
public DynamicConfigEvent(String key, String group, String content, DynamicConfigEventType eventType) {
super(key + "," + group);
this.key = key;
this.group = group;
this.content = content;
this.eventType = eventType;
}
public String getKey() {
return key;
}
public String getGroup() {
return group;
}
public String getContent() {
return content;
}
public DynamicConfigEventType getEventType() {
return eventType;
}
@Override
public String toString() {
return "DynamicConfigEvent{" + "key='" + key + '\'' + ", group='" + group + '\'' + ", content='" + content
+ '\'' + ", eventType=" + eventType + "} " + super.toString();
}
@Override
public boolean equals(Object target) {
if (this == target) {
return true;
}
if (!(target instanceof DynamicConfigEvent)) {
return false;
}
DynamicConfigEvent that = (DynamicConfigEvent) target;
return Objects.equals(getKey(), that.getKey()) && Objects.equals(getGroup(), that.getGroup())
&& Objects.equals(getContent(), that.getContent()) && getEventType() == that.getEventType();
}
@Override
public int hashCode() {
return Objects.hash(getKey(), getGroup(), getContent(), getEventType());
}
/**
* Build an initial dynamic configuration event
*
* @param key key
* @param group group
* @param content config content
* @return dynamic configuration event
*/
public static DynamicConfigEvent initEvent(String key, String group, String content) {
return new DynamicConfigEvent(key, group, content, DynamicConfigEventType.INIT);
}
/**
* Build create configuration event
*
* @param key key
* @param group group
* @param content config content
* @return dynamic configuration event
*/
public static DynamicConfigEvent createEvent(String key, String group, String content) {
return new DynamicConfigEvent(key, group, content, DynamicConfigEventType.CREATE);
}
/**
* Build modify configuration events
*
* @param key key
* @param group group
* @param content config content
* @return dynamic configuration event
*/
public static DynamicConfigEvent modifyEvent(String key, String group, String content) {
return new DynamicConfigEvent(key, group, content, DynamicConfigEventType.MODIFY);
}
/**
* Build delete configuration event
*
* @param key key
* @param group group
* @param content config content
* @return dynamic configuration event
*/
public static DynamicConfigEvent deleteEvent(String key, String group, String content) {
return new DynamicConfigEvent(key, group, content, DynamicConfigEventType.DELETE);
}
}