package foundation.version;

import foundation.util.MapList;

public class VersionBucket {

	private static VersionBucket instance;
	private MapList<String, MapList<String, VersionMeta>> items;
	private MapList<String, VersionMeta> masterItems;
	
	
	private VersionBucket() {
		items = new MapList<String, MapList<String, VersionMeta>>();
		masterItems = new MapList<String, VersionMeta>();
	}
	
	public static VersionBucket getInstance() {
		if (instance == null) {
			instance = new VersionBucket();
		}
		
		return instance;
	}

	public void loadOne(VersionMeta meta) {
		String code = meta.getCode();
		MapList<String, VersionMeta> versionMetas = items.get(code);
		
		if (versionMetas == null) {
			versionMetas = new MapList<String, VersionMeta>();
		}
		versionMetas.add(meta.getDataName(), meta);
		items.add(code, versionMetas);
		
		if ("Master".equalsIgnoreCase(meta.getDataNameType())) {
			masterItems.add(meta.getCode(), meta);
		}
	}
	
	public MapList<String, VersionMeta> get(String groupCode) {
		return items.get(groupCode);
	}
	
	public VersionMeta getMasterMeta(String groupCode) {
		return masterItems.get(groupCode);
	}

	public MapList<String, VersionMeta> getMasterItems() {
		return masterItems;
	}
	
}