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Common classes for RESTful service interfaces.

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/*
 * #%L
 * joynr::java::messaging::bounceproxy::bounceproxy-controller
 * %%
 * Copyright (C) 2011 - 2017 BMW Car IT GmbH
 * %%
 * 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.
 * #L%
 */
package io.joynr.messaging.system;

/**
 * Provider for timestamps.

 * The goal of this class is to avoid the access to the system time in many
 * different routines. This improves testability.
 * 
 * @author christina.strobel
 * 
 */
public interface TimestampProvider {

    /**
     * Returns the current time as timestamp in milliseconds (see
     * {@link System#currentTimeMillis()})
     * 
     * @return the current time, measured in milliseconds, between the current
     *         time and midnight, January 1, 1970 UTC.
     */
    public long getCurrentTime();

}