Java tutorial
/* * Copyright 2013 Ezequiel Juliano Mller - ezequieljuliano@gmail.com. * * 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 br.com.ezequieljuliano.argos.domain; import java.io.Serializable; import java.util.Objects; import org.springframework.data.annotation.Id; import org.springframework.data.mongodb.core.index.Indexed; import org.springframework.data.mongodb.core.mapping.DBRef; import org.springframework.data.mongodb.core.mapping.Document; @Document(collection = Marker.COLLECTION_NAME) public class Marker implements Serializable { public static final String COLLECTION_NAME = "Marker"; @Id private String id; @Indexed private String name; @DBRef private Marker parent; public Marker() { } public Marker(String name, Marker parent) { this.name = name; this.parent = parent; } public String getId() { return id; } public void setId(String id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } public Marker getParent() { return parent; } public void setParent(Marker parent) { this.parent = parent; } @Override public String toString() { return getId() + " - " + getName(); } @Override public boolean equals(Object obj) { if (obj == null) { return false; } if (getClass() != obj.getClass()) { return false; } final Marker other = (Marker) obj; return Objects.equals(this.id, other.id); } @Override public int hashCode() { int hash = 7; hash = 73 * hash + (this.id != null ? this.id.hashCode() : 0); return hash; } }