java-design-patterns/service-layer/src/main/java/com/iluwatar/servicelayer/magic/MagicServiceImpl.java

package com.iluwatar.servicelayer.magic;

import java.util.ArrayList;
import java.util.List;

import com.iluwatar.servicelayer.servicelayer.spell.Spell;
import com.iluwatar.servicelayer.servicelayer.spell.SpellDao;
import com.iluwatar.servicelayer.spellbook.Spellbook;
import com.iluwatar.servicelayer.spellbook.SpellbookDao;
import com.iluwatar.servicelayer.wizard.Wizard;
import com.iluwatar.servicelayer.wizard.WizardDao;

/**
 * 
 * Service implementation.
 *
 */
public class MagicServiceImpl implements MagicService {
	
	private WizardDao wizardDao;
	private SpellbookDao spellbookDao;
	private SpellDao spellDao;

	public MagicServiceImpl(WizardDao wizardDao, SpellbookDao spellbookDao, SpellDao spellDao) {
		this.wizardDao = wizardDao;
		this.spellbookDao = spellbookDao;
		this.spellDao = spellDao;
	}

	@Override
	public List<Wizard> findAllWizards() {
		return wizardDao.findAll();
	}

	@Override
	public List<Spellbook> findAllSpellbooks() {
		return spellbookDao.findAll();
	}

	@Override
	public List<Spell> findAllSpells() {
		return spellDao.findAll();
	}

	@Override
	public List<Wizard> findWizardsWithSpellbook(String name) {
		Spellbook spellbook = spellbookDao.findByName(name);
		return new ArrayList<Wizard>(spellbook.getWizards());
	}

	@Override
	public List<Wizard> findWizardsWithSpell(String name) {
		Spell spell = spellDao.findByName(name);
		Spellbook spellbook = spell.getSpellbook();
		return new ArrayList<Wizard>(spellbook.getWizards());
	}
}