/*
    jBilling - The Enterprise Open Source Billing System
    Copyright (C) 2003-2009 Enterprise jBilling Software Ltd. and Emiliano Conde

    This file is part of jbilling.

    jbilling is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    jbilling 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 Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with jbilling.  If not, see <http://www.gnu.org/licenses/>.
*/
package com.sapienter.jbilling.server.order.db;


import java.util.HashSet;
import java.util.Set;

import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.OneToMany;
import javax.persistence.Table;
import javax.persistence.TableGenerator;
import javax.persistence.Transient;
import javax.persistence.Version;

import org.hibernate.annotations.Cache;
import org.hibernate.annotations.CacheConcurrencyStrategy;

import com.sapienter.jbilling.server.process.db.PeriodUnitDTO;
import com.sapienter.jbilling.server.user.db.CompanyDTO;
import com.sapienter.jbilling.server.util.Constants;
import com.sapienter.jbilling.server.util.db.AbstractDescription;

@Entity
@TableGenerator(
        name="order_period_GEN",
        table="jbilling_seqs",
        pkColumnName = "name",
        valueColumnName = "next_id",
        pkColumnValue="order_period",
        allocationSize = 100
        )
@Table(name="order_period")
@Cache(usage = CacheConcurrencyStrategy.NONSTRICT_READ_WRITE)
public class OrderPeriodDTO extends AbstractDescription implements java.io.Serializable {


     private int id;
     private CompanyDTO company;
     private PeriodUnitDTO periodUnitDTO;
     private Integer value;
     private Set<OrderDTO> orderDTOs = new HashSet<OrderDTO>(0);
     private Integer versionNum;

     public OrderPeriodDTO() {
     }

	
    public OrderPeriodDTO(int id) {
        this.id = id;
    }
    public OrderPeriodDTO(int id, CompanyDTO entity, PeriodUnitDTO periodUnitDTO, Integer value, Set<OrderDTO> orderDTOs) {
       this.id = id;
       this.company = entity;
       this.periodUnitDTO = periodUnitDTO;
       this.value = value;
       this.orderDTOs = orderDTOs;
    }
    
    @Transient
    protected String getTable() {
    	return Constants.TABLE_ORDER_PERIOD;
    }
   
    @Id  @GeneratedValue(strategy=GenerationType.TABLE, generator="order_period_GEN") 
    @Column(name="id", unique=true, nullable=false)
    public int getId() {
        return this.id;
    }
    
    public void setId(int id) {
        this.id = id;
    }
    @ManyToOne(fetch=FetchType.LAZY)
    @JoinColumn(name="entity_id")
    public CompanyDTO getCompany() {
        return this.company;
    }
    
    public void setCompany(CompanyDTO entity) {
        this.company = entity;
    }
    @ManyToOne(fetch=FetchType.LAZY)
    @JoinColumn(name="unit_id")
    public PeriodUnitDTO getPeriodUnit() {
        return this.periodUnitDTO;
    }
    
    public void setPeriodUnit(PeriodUnitDTO periodUnitDTO) {
        this.periodUnitDTO = periodUnitDTO;
    }
    
    @Column(name="value")
    public Integer getValue() {
        return this.value;
    }
    
    public void setValue(Integer value) {
        this.value = value;
    }
   @OneToMany(cascade=CascadeType.ALL, fetch=FetchType.LAZY, mappedBy="orderPeriod")
    public Set<OrderDTO> getPurchaseOrders() {
        return this.orderDTOs;
    }
    
    public void setPurchaseOrders(Set<OrderDTO> orderDTOs) {
        this.orderDTOs = orderDTOs;
    }

    @Version
    @Column(name="OPTLOCK")
	public Integer getVersionNum() {
		return versionNum;
	}
	protected void setVersionNum(Integer versionNum) {
		this.versionNum = versionNum;
	}

	public String toString() {
		return "OrderPeriodDTO:[" + 
	     " id=" + id +
	     " company=" + company +
	     " periodUnitDTO=" + periodUnitDTO + 
	     " value=" + value +
	     " versionNum=" + versionNum + "]";
	}
    // convenient methods for migration from entity beans
    @Transient
    public Integer getUnitId() {
    	return getPeriodUnit().getId();
    }
    public void setUnitId(int id) {
    	PeriodUnitDTO period = new PeriodUnitDTO(id);
    	setPeriodUnit(period);
    }
    
    public void touch() {
    	getUnitId();
    }
}