Enrollment.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 *     distributed with this work for additional information
 *     regarding copyright ownership.  The ASF licenses this file
 *     to you 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 org.apache.deltaspike.example.jpa;

import org.apache.deltaspike.example.json.EnrollmentSerializer;
import org.codehaus.jackson.annotate.JsonIgnore;
import org.codehaus.jackson.map.annotate.JsonSerialize;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.Table;
import javax.persistence.Transient;
import javax.validation.constraints.AssertTrue;
import javax.validation.constraints.NotNull;

@Entity
@Table(name="enrollment")
@JsonSerialize(using = EnrollmentSerializer.class)
public class Enrollment {
    @Id
    @GeneratedValue
    private Integer enrollmentId;
    @JoinColumn(name="course_id")
    @ManyToOne(optional = false)
    @NotNull
    private Course course;
    @Column
    private String name;

    public Integer getEnrollmentId() {
        return enrollmentId;
    }

    public void setEnrollmentId(Integer enrollmentId) {
        this.enrollmentId = enrollmentId;
    }

    public Course getCourse() {
        return course;
    }

    public void setCourse(Course course) {
        this.course = course;
    }

    public String getName() {
        return name;
    }

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

    @Transient
    @AssertTrue
    public boolean availableEnrollments() {
        System.out.println("Asserting on enrollments.... "+course.getEnrollmentList());
        return course.getEnrollmentList().size() < 5;
    }
}