catalogservice.java

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package jaoso.news.service;

import jaoso.news.domain.Catalog;

import jaoso.news.exception.CatalogExistException;

import java.io.Serializable;

import java.util.Collection;
import java.util.Map;

/**
 * @author edgeloner
 * @since 2004-6-21
 *  
 */
public interface CatalogService {
	/**
	 * Load a GbCatalog by id from Database
	 * 
	 * @param id
	 *            catalog id
	 * @return a GbCatalog instance
	 */
	Catalog getCatalog(Serializable id);

	/**
	 * get a catalog tree, return collection as this.returnRS,elemment is
	 * HashMap, it look like {"122dfd2","catalog title"},
	 * 
	 * @param hierarchy
	 *            String,
	 * @param catalog
	 *            GbCatalog
	 * @return collection
	 */
	Collection getCatalogTree(int hierarchy, Catalog catalog);

	/**
	 * get parent catalog id and title as map array
	 * 
	 * @param id
	 *            catalog id
	 * 
	 * @return map array
	 */
	Map[] getParents(Serializable id);

	/**
	 * Add a new GbCatalog to Database
	 * 
	 * @param catalog
	 *            GbCatalog
	 * @param parentid
	 *            parent catalog id
	 * @throws CatalogExistException
	 *             if catalog title exist
	 */
	void createCatalog(Catalog catalog, Serializable parentid)
			throws CatalogExistException;

	/**
	 * Load all GbCatalog from Database
	 * 
	 * @return catalog array
	 */
	Catalog[] findAllCatalog();

	/**
	 * get catalogs by parent catalog id
	 * 
	 * @param id
	 *            parent catalog id
	 * 
	 * @return catalog array
	 */
	Catalog[] findCatalogByParent(Serializable id);

	/**
	 * Remove a GbCatalog from Database
	 * 
	 * @param catalogId
	 *            GbCatalog
	 */
	void removeCatalog(Serializable catalogId);

	/**
	 * Update a GbCatalog to Database
	 * 
	 * @param catalog
	 *            GbCatalog
	 * @throws CatalogExistException
	 *             if catalog title exist
	 */
	void updateCatalog(Catalog catalog) throws CatalogExistException;
}