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/*******************************************************************************
* ============LICENSE_START=======================================================
* slice-analysis-ms
* ================================================================================
* Copyright (C) 2022 Huawei Canada Limited.
* =============================================================================
* 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.
* ============LICENSE_END=========================================================
*
*******************************************************************************/
package org.onap.slice.analysis.ms.service.ccvpn;
import java.time.Instant;
import java.time.LocalDateTime;
import java.time.ZoneId;
/**
* SimpleEvent a generic class implements Event (CCVPN) interface;
* It is the message entity inside CCVPN Closed-loop
*
* @param <T> message type
* @param <S> message paylaod
*/
public class SimpleEvent<T extends Enum, S> implements Event<T, S> {
private final T type;
private final S subject;
private final long time;
/**
* All the event types
*/
public enum Type {
PERIODIC_CHECK,
ONDEMAND_CHECK,
AAI_BW_REQ
}
/**
* Event contructor
* @param type event type
* @param subject event content
*/
public SimpleEvent(T type, S subject) {
this.type = type;
this.subject = subject;
this.time = System.currentTimeMillis();
}
/**
* Return the epoch time of this event happened.
* @return long value of epoch time
*/
@Override
public long time() {
return time;
}
/**
* Return the type of this event.
* @return event type
*/
@Override
public T type() {
return type;
}
/**
* Return the subject of this event
* @return event content
*/
@Override
public S subject() {
return subject;
}
/**
* toString method
* @return toString
*/
@Override
public String toString() {
return new StringBuilder()
.append("time " + LocalDateTime.ofInstant(Instant.ofEpochMilli(time), ZoneId.systemDefault()))
.append("type " + type())
.append("subject " + subject())
.toString();
}
}
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