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// The MIT License (MIT)
// Copyright © 2015 AppsLandia. All rights reserved.

// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:

// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

package com.appslandia.plum.base;

import java.util.Collections;
import java.util.Map;

import javax.enterprise.context.ApplicationScoped;

import com.appslandia.common.base.LruMap;
import com.appslandia.common.utils.AssertUtils;

/**
 *
 * @author Loc Ha
 *
 */
@ApplicationScoped
public class MemLongTaskManager implements LongTaskManager {

	final Map longTaskMap = Collections.synchronizedMap(new LruMap<>(100));

	@Override
	public void save(LongTask longTask) {
		this.longTaskMap.put(longTask.getSeries(), copy(longTask));
	}

	@Override
	public LongTask load(String series) {
		LongTask obj = this.longTaskMap.get(series);
		return (obj != null) ? copy(obj) : null;
	}

	@Override
	public void updateDone(String series, String status, String message, long doneAt) {
		LongTask obj = this.longTaskMap.get(series);
		AssertUtils.assertNotNull(obj);

		obj.setStatus(status);
		obj.setMessage(message);
		obj.setDoneAt(doneAt);
	}

	@Override
	public void remove(String series) {
		this.longTaskMap.remove(series);
	}

	static LongTask copy(LongTask obj) {
		LongTask copy = new LongTask();
		copy.setSeries(obj.getSeries());
		copy.setStatus(obj.getStatus());
		copy.setMessage(obj.getMessage());

		copy.setCreatedAt(obj.getCreatedAt());
		copy.setDoneAt(obj.getDoneAt());
		return copy;
	}
}