/*
* Copyright 2014 Eric F. Savage, code@efsavage.com
*
* 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 com.ajah.job.task.data;
import java.util.List;
import com.ajah.job.task.Task;
import com.ajah.job.task.TaskId;
import com.ajah.job.task.TaskStatus;
import com.ajah.job.task.TaskType;
import com.ajah.spring.jdbc.AjahDao;
import com.ajah.spring.jdbc.err.DataOperationException;
/**
* DAO interface for {@link Task}.
*
* @author Eric F. Savage <code@efsavage.com>
*
*/
public interface TaskDao extends AjahDao<TaskId, Task> {
/**
* Returns a list of {@link Task}s that match the specified criteria.
*
* @param type
* The type of task, optional.
* @param status
* The status of the task, optional.
* @param page
* The page of results to fetch.
* @param count
* The number of results per page.
* @return A list of {@link Task}s, which may be empty.
* @throws DataOperationException
* If the query could not be executed.
*/
List<Task> list(final TaskType type, final TaskStatus status, final long page, final long count) throws DataOperationException;
/**
* Counts the records available that match the criteria.
*
* @param type
* The task type to limit to, optional.
* @param status
* The status to limit to, optional.
* @return The number of matching records.
* @throws DataOperationException
* If the query could not be executed.
*/
long count(final TaskType type, final TaskStatus status) throws DataOperationException;
}