Campus.java

package com.syzton.sunread.model.organization;

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

import javax.persistence.Basic;
import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.OneToMany;
import javax.persistence.PrePersist;
import javax.persistence.PreUpdate;
import javax.persistence.Table;

import com.syzton.sunread.dto.organization.ClazzDTO;
import org.hibernate.annotations.Type;
import org.joda.time.DateTime;

import com.syzton.sunread.dto.organization.CampusDTO;
import com.syzton.sunread.model.common.AbstractEntity;
import com.syzton.sunread.model.region.Region;
import com.syzton.sunread.model.region.SchoolDistrict;

/**
 * @author Morgan-Leon
 * @Date 2015年4月6日
 * 
 */
@Entity
@Table(name="campus")
public class Campus extends AbstractEntity{
    
	public static final int MAX_LENGTH_DESCRIPTION = 500;
    public static final int MAX_LENGTH_NAME = 100;
    public static final int MAX_LENGTH_HEADMASTER = 500;
    public static final int DEFAULT_NOTE_SCORE = 5;
    
    @Column(name ="name", nullable = false, unique = true,length = MAX_LENGTH_NAME)
    private String name;
    
    @Column(name = "description", nullable = true, length = MAX_LENGTH_DESCRIPTION)
    private String description;
    
    @Column(name = "modification_time", nullable = false)
    @Type(type="org.jadira.usertype.dateandtime.joda.PersistentDateTime")
    private DateTime modificationTime;
    
    @Column(name = "headmaster", nullable = false, length = MAX_LENGTH_HEADMASTER)
    private String headmaster;
    
    @Column(name = "wish", nullable = false, length = MAX_LENGTH_HEADMASTER)
	private String wish;
	
    @Column(name = "note_score")
    private int noteScore = DEFAULT_NOTE_SCORE;
    
    @OneToMany(cascade = CascadeType.ALL,mappedBy = "campus")
    @Basic(fetch = FetchType.LAZY)
    private Set<Clazz> clazz = new HashSet<Clazz>();
    
    @ManyToOne(cascade={CascadeType.MERGE,CascadeType.REFRESH},optional=false)
    @JoinColumn(name = "region")
    private Region region;
    
    @ManyToOne(cascade = {CascadeType.MERGE,CascadeType.REFRESH },optional = false)
    @JoinColumn(name = "edu_group")
    private EduGroup eduGroup;
    
    @ManyToOne(cascade={CascadeType.MERGE,CascadeType.REFRESH},optional=false)
    @JoinColumn(name = "school_district")
    private SchoolDistrict schoolDistrict;
    
	
	public Region getRegion() {
		return region;
	}

	public void setRegion(Region region) {
		this.region = region;
	}
	
	public String getName() {
		return name;
	}
	
	public void setName(String name){
		this.name = name;
	}

	public String getDescription() {
		return description;
	}
	
	public void setDescription(String description){
		this.description = description;
	}

	public DateTime getModificationTime() {
		return modificationTime;
	}

	public String getHeadmaster() {
		return headmaster;
	}
	
	public void setHeadmaster(String headmaster) {
		this.headmaster = headmaster;
	}

	public Set<Clazz> getClazz() {
		return clazz;
	}
	
	public int clazzNum() {
		return this.clazz.size();
	}

    public EduGroup getEduGroup() {
        return eduGroup;
    }

    public void setEduGroup(EduGroup eduGroup) {
        this.eduGroup = eduGroup;
    }
    
	public SchoolDistrict getSchoolDistrict() {
		return schoolDistrict;
	}

	public void setSchoolDistrict(SchoolDistrict schoolDistrict) {
		this.schoolDistrict = schoolDistrict;
	}

	public String getWish() {
		return wish;
	}
	

	public void setWish(String wish) {
		this.wish = wish;
	}
	

	public int getNoteScore() {
		return noteScore;
	}

	public void setNoteScore(int noteScore) {
		this.noteScore = noteScore;
	}

	@PrePersist
    public void prePersist() {
        DateTime now = DateTime.now();
        creationTime = now;
        modificationTime = now;
    }
    

    @PreUpdate
    public void preUpdate() {
        modificationTime = DateTime.now();
    }
    
    public static class Builder{
    	private Campus built;
    	
    	public Builder(String name, String headmaster,String wish,int noteScore
    		,Region region,EduGroup eduGroup, SchoolDistrict schoolDistrict){
    		built = new Campus();
    		built.name = name;
    		built.headmaster = headmaster;
    		built.wish = wish;
    		built.noteScore = noteScore;
    		built.region = region;
    		built.eduGroup = eduGroup;
    		built.schoolDistrict = schoolDistrict;
  		
    	}
    	
    	public Campus build() {
			return built;					
		}
    	
		public Builder description(String description) {
			// TODO Auto-generated method stub
			built.description = description;
			return this;
		}
		public Builder wish(String wish) {
			built.wish = wish;
			return this;
		}
	}

	/**
	 */
	public void update(String name,String headmaster,String wish, String description, int noteScore ) {
		if(name.length()>0)
			this.name = name;
		if(headmaster.length()>0)
			this.headmaster = headmaster;
		if(wish.length()>0)
			this.wish = wish;
		if(noteScore > 0)
			this.noteScore = noteScore;
		if(description.length()>0)
			this.description = description;
	}
    
	/**
	 * @return
	 */
	public static Builder getBuilder(String name, String headmaster,String wish
			,int noteScore,Region region ,EduGroup eduGroup, SchoolDistrict schoolDistrict) {
		// TODO Auto-generated method stub
		return new Builder(name, headmaster,wish, noteScore,region,eduGroup, schoolDistrict);
	}

    public CampusDTO createDTO() {
        CampusDTO dto = new CampusDTO();
        dto.setId(id);
        dto.setName(getName());
        dto.setDescription(getDescription());
        dto.setHeadmaster(headmaster);
        dto.setWish(wish);
        dto.setSchoolDistrictId(schoolDistrict.getId());
        dto.setSchoolDistrictName(schoolDistrict.getName());
        dto.setClassNum(clazzNum());
        dto.setEduGroupId(eduGroup.getId());
		dto.setEduGroupName(eduGroup.getName());
		dto.setNoteScore(getNoteScore());
		dto.setRegionId(region.getId());
		dto.setRegionName(region.getName());
		Set<ClazzDTO> clazzDTOSet = new HashSet<>();
		for(Clazz cz : clazz){
			ClazzDTO clazzDTO = new ClazzDTO();
			clazzDTO.setId(cz.getId());
			clazzDTO.setName(cz.getName());
			clazzDTO.setGrade(cz.getGrade());
			clazzDTOSet.add(clazzDTO);
		}
        dto.setClazzDTOSet(clazzDTOSet);
        return dto;
    }
    
    
}