/*
* 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.asual.summer.sample.domain;
import static javax.persistence.GenerationType.IDENTITY;
import java.io.Serializable;
import java.util.List;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.EntityManager;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.PersistenceContext;
import javax.persistence.Table;
import org.hibernate.validator.constraints.NotEmpty;
import org.springframework.beans.factory.annotation.Configurable;
import org.springframework.transaction.annotation.Transactional;
import com.asual.summer.core.util.StringUtils;
/**
*
* @author Rostislav Hristov
*
*/
@Configurable
@Entity
@Table
public class Status implements Serializable {
private static final long serialVersionUID = 1L;
@PersistenceContext
private transient EntityManager entityManager;
@Id
@GeneratedValue(strategy=IDENTITY)
@Column(unique=true, nullable=false)
private Integer id;
@NotEmpty
@Column(unique=true, nullable=false)
private String value;
@NotEmpty
@Column
private String name;
public Status() {
}
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getValue() {
return value;
}
public void setValue(String value) {
this.value = value;
}
public String getName() {
return name;
}
public void setName(String name) {
if (name != null) {
value = StringUtils.toUriPath(name);
}
this.name = name;
}
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((value == null) ? 0 : value.hashCode());
return result;
}
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
Status other = (Status) obj;
if (value == null) {
if (other.value != null)
return false;
} else if (!value.equals(other.value))
return false;
return true;
}
@Transactional
public void persist() {
entityManager.persist(this);
}
@Transactional
public Status merge() {
Status merged = entityManager.merge(this);
entityManager.flush();
return merged;
}
@Transactional
public void remove() {
if (entityManager.contains(this)) {
entityManager.remove(this);
} else {
Status attached = entityManager.find(this.getClass(), this.id);
entityManager.remove(attached);
}
}
@Transactional
public void flush() {
entityManager.flush();
}
public static final EntityManager entityManager() {
EntityManager em = new Status().entityManager;
if (em == null) {
throw new IllegalStateException("Entity manager has not been injected.");
}
return em;
}
public static Status find(String value) {
return (Status) entityManager().createQuery("select o from Status o where o.value = ?1").setParameter(1, value).getSingleResult();
}
@SuppressWarnings("unchecked")
public static List<Status> list() {
return entityManager().createQuery("select o from Status o").getResultList();
}
@SuppressWarnings("unchecked")
public static List<Status> list(int firstResult, int maxResults) {
return entityManager().createQuery("select o from Status o").setFirstResult(firstResult).setMaxResults(maxResults).getResultList();
}
}