station.java

工厂版本管理系统,STRUTS2框架,用于管理商品的版本,便于有效的控制版本

package com.utstar.fcs.domain.workinstruction;

import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.SortedSet;
import java.util.TreeSet;

public class Station {
	private Long id;
	private String name;
	private StationType stationType = new StationType();
	private Map<String, StationVersion> versions = new HashMap<String, StationVersion>();
	private WorkInstruction workInstruction=new WorkInstruction();
	
	public Station() {
		
	}
	
	public Station(String name,StationType stationType) {
		this.name = name;
		this.stationType = stationType;
	}
	
	public StationVersion getLatestVersion() {

		if(versions.isEmpty())
			return null;
		
		SortedSet<String> ss = new TreeSet<String>();

		Iterator<String> it = versions.keySet().iterator();
		while (it.hasNext())
			ss.add(it.next());
		
		return versions.get(ss.last());
	}
	
	//deal with lazy load
	public void iteratorVersions(){
		Iterator<StationVersion> it = versions.values().iterator();
		while(it.hasNext())
		{
			it.next().getVersion();			
		}
	}

	public static Station getSample(StationType stationType, String name) {
		Station station = new Station();

		station.setStationType(stationType);
		station.setName(name);

		StationVersion sv1 = station.addVersion(StationVersion.getSample(station));
		StationVersion sv2 = station.addVersion(StationVersion.getSample(station));

		StationVersion sv3 = sv2.cloneEntity();
		station.addVersion(sv3);
		
		return station;
	}

	public StationVersion addVersion(StationVersion stationVersion) {
		VersionNumber vn = null;
		if (getLatestVersion() == null)
			vn = new VersionNumber();
		else
			vn = new VersionNumber(getLatestVersion().getVersion());

		stationVersion.setVersion(vn.getNext());
		stationVersion.setStation(this);

		versions.put(stationVersion.getVersion(), stationVersion);

		return stationVersion;
	}

	public Long getId() {
		return id;
	}

	public void setId(Long id) {
		this.id = id;
	}

	public StationType getStationType() {
		return stationType;
	}

	public void setStationType(StationType stationType) {
		this.stationType = stationType;
	}

	public String getName() {
		return name;
	}

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

	public Map<String, StationVersion> getVersions() {
		return versions;
	}

	public void setVersions(Map<String, StationVersion> versions) {
		this.versions = versions;
	}

	public WorkInstruction getWorkInstruction() {
		return workInstruction;
	}

	public void setWorkInstruction(WorkInstruction workInstruction) {
		this.workInstruction = workInstruction;
	}

}