com.github.lontime.shaded.org.redisson.cache.StdCachedValue Maven / Gradle / Ivy
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/**
* Copyright (c) 2013-2021 Nikita Koksharov
*
* 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.github.lontime.shaded.org.redisson.cache;
/**
* Created by jribble on 2/20/17.
*/
public class StdCachedValue implements CachedValue {
private final K key;
private final V value;
private long ttl;
private long maxIdleTime;
private long creationTime;
private long lastAccess;
public StdCachedValue(K key, V value, long ttl, long maxIdleTime) {
this.value = value;
this.ttl = ttl;
this.key = key;
this.maxIdleTime = maxIdleTime;
if (ttl != 0 || maxIdleTime != 0) {
creationTime = System.currentTimeMillis();
lastAccess = creationTime;
}
}
@Override
public boolean isExpired() {
if (maxIdleTime == 0 && ttl == 0) {
return false;
}
long currentTime = System.currentTimeMillis();
if (ttl != 0 && creationTime + ttl < currentTime) {
return true;
}
if (maxIdleTime != 0 && lastAccess + maxIdleTime < currentTime) {
return true;
}
return false;
}
@Override
public K getKey() {
return key;
}
@Override
public V getValue() {
lastAccess = System.currentTimeMillis();
return value;
}
@Override
public String toString() {
return "CachedValue [key=" + key + ", value=" + value + "]";
}
}