/*******************************************************************************
* /***
* *
* * Copyright 2013 Netflix, 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.
* *
******************************************************************************/
package com.netflix.staash.mesh.db.memory;
import com.netflix.staash.mesh.db.Entry;
public class EntryHolder {
private Entry tuple;
public EntryHolder(Entry tuple) {
this.tuple = tuple;
}
public synchronized boolean delete(long timestamp) {
if (timestamp > tuple.getTimestamp()) {
this.tuple = new Entry(tuple.getKey(), null, timestamp);
return true;
}
return false;
}
public synchronized boolean set(Entry tuple) {
if (tuple.getTimestamp() > this.tuple.getTimestamp()) {
this.tuple = tuple;
return true;
}
return false;
}
public synchronized boolean isDeleted() {
return this.tuple.getValue() == null;
}
public synchronized Entry getEntry() {
return tuple;
}
}