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/*
 * Copyright 2013 serso aka se.solovyev
 *
 * 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.
 *
 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 * Contact details
 *
 * Email: [email protected]
 * Site:  http://se.solovyev.org
 */

package org.solovyev.android.prefs;

import android.content.SharedPreferences;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;

/**
 * User: serso
 * Date: 12/25/11
 * Time: 1:07 PM
 */
public class LongPreference extends AbstractPreference {

	private LongPreference(@Nonnull String key, @Nullable Long defaultValue) {
		super(key, defaultValue);
	}

	@Nonnull
	public static LongPreference of(@Nonnull String key, @Nullable Long defaultValue) {
		return new LongPreference(key, defaultValue);
	}

	@Override
	protected Long getPersistedValue(@Nonnull SharedPreferences preferences) {
		return preferences.getLong(getKey(), -1);
	}

	@Override
	protected void putPersistedValue(@Nonnull SharedPreferences.Editor editor, @Nonnull Long value) {
		editor.putLong(getKey(), value);
	}
}