UserDAO.java example

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tapestry-5-master
// Copyright 2011 The Apache Software Foundation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package org.example.app1.services;

import java.util.List;

import javax.persistence.PersistenceContext;

import org.apache.tapestry5.jpa.annotations.CommitAfter;
import org.example.app1.AppConstants;
import org.example.app1.entities.User;

public interface UserDAO
{
    @CommitAfter
    @PersistenceContext(unitName = AppConstants.TEST_PERSISTENCE_UNIT)
    void add(User user);

    List<User> findAll();

    @CommitAfter
    @PersistenceContext(unitName = AppConstants.TEST_PERSISTENCE_UNIT)
    void delete(User... users);

    void deleteAll();
}