Item.java example

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wildfly-master
/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2015, Red Hat, Inc., and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.hibernate.jpa.test.pack;

import java.io.Serializable;
import java.util.HashSet;
import java.util.Set;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.EntityResult;
import javax.persistence.FieldResult;
import javax.persistence.Id;
import javax.persistence.LockModeType;
import javax.persistence.NamedNativeQueries;
import javax.persistence.NamedNativeQuery;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
import javax.persistence.OneToMany;
import javax.persistence.QueryHint;
import javax.persistence.SqlResultSetMapping;

import org.hibernate.annotations.QueryHints;

/**
 * @author Gavin King
 */
@Entity(name = "Item")
@SqlResultSetMapping(name = "getItem", entities =
@EntityResult(entityClass = Item.class, fields = {
        @FieldResult(name = "name", column = "itemname"),
        @FieldResult(name = "descr", column = "itemdescription")
})
)
@NamedNativeQueries({
        @NamedNativeQuery(
                name = "nativeItem1",
                query = "select name as itemname, descr as itemdescription from Item",
                resultSetMapping = "getItem"
        ),
        @NamedNativeQuery(
                name = "nativeItem2",
                query = "select * from Item",
                resultClass = Item.class
        )
})
@NamedQueries({
        @NamedQuery(
                name = "itemJpaQueryWithLockModeAndHints",
                query = "select i from Item i",
                lockMode = LockModeType.PESSIMISTIC_WRITE,
                hints = {
                        @QueryHint(name = QueryHints.TIMEOUT_JPA, value = "3000"),
                        @QueryHint(name = QueryHints.CACHE_MODE, value = "ignore"),
                        @QueryHint(name = QueryHints.CACHEABLE, value = "true"),
                        @QueryHint(name = QueryHints.READ_ONLY, value = "true"),
                        @QueryHint(name = QueryHints.COMMENT, value = "custom static comment"),
                        @QueryHint(name = QueryHints.FETCH_SIZE, value = "512"),
                        @QueryHint(name = QueryHints.FLUSH_MODE, value = "manual")
                }
        ),
        @NamedQuery(name = "query-construct", query = "select new Item(i.name,i.descr) from Item i")
})
public class Item implements Serializable {

    private String name;
    private String descr;
    private Set<Distributor> distributors = new HashSet<Distributor>();

    public Item() {
    }

    public Item(String name, String desc) {
        this.name = name;
        this.descr = desc;
    }

    @Column(length = 200)
    public String getDescr() {
        return descr;
    }

    public void setDescr(String desc) {
        this.descr = desc;
    }

    @Id
    @Column(length = 30)
    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    @OneToMany
    public Set<Distributor> getDistributors() {
        return distributors;
    }

    public void setDistributors(Set<Distributor> distributors) {
        this.distributors = distributors;
    }

    public void addDistributor(Distributor d) {
        if (distributors == null) { distributors = new HashSet(); }
        distributors.add(d);
    }
}