Java tutorial
/* * Copyright 2016 CloudBans (https://cloudbans.xyz) * * 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 xyz.cloudbans.entities.data; import com.fasterxml.jackson.annotation.JsonIgnore; import com.fasterxml.jackson.annotation.JsonProperty; import java.util.Date; import java.util.Objects; public class PlayerName { // Back reference will be ignored by equals(Object) and hashCode() @JsonIgnore private Player player; @JsonProperty("name") private String name; @JsonProperty("since") private Date since; public Player getPlayer() { return player; } public void setPlayer(Player player) { this.player = player; } public String getName() { return name; } public void setName(String name) { this.name = name; } public Date getSince() { return since; } public void setSince(Date since) { this.since = since; } @Override public boolean equals(Object o) { if (this == o) return true; if (!(o instanceof PlayerName)) return false; PlayerName that = (PlayerName) o; return Objects.equals(getName(), that.getName()) && Objects.equals(getSince(), that.getSince()); } @Override public int hashCode() { return Objects.hash(getName(), getSince()); } }