/*
 * Copyright 2014 Open Networking Laboratory
 *
 * 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.onlab.onos.store.trivial.impl;

import java.util.Set;

import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Service;
import org.onlab.onos.mastership.MastershipTerm;
import org.onlab.onos.net.DeviceId;
import org.onlab.onos.net.device.DeviceClockProviderService;

import com.google.common.collect.Sets;

/**
 * Dummy implementation of {@link DeviceClockProviderService}.
 */
@Component(immediate = true)
@Service
public class NoOpClockProviderService implements DeviceClockProviderService {

    private Set<DeviceId> registerdBefore = Sets.newConcurrentHashSet();

    @Override
    public void setMastershipTerm(DeviceId deviceId, MastershipTerm term) {
        registerdBefore.add(deviceId);
    }

    @Override
    public boolean isTimestampAvailable(DeviceId deviceId) {
        return registerdBefore.contains(deviceId);
    }
}