SystemTimeSource.java

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 * This file is part of the QuickFIX FIX Engine
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package quickfix;

import java.time.LocalDateTime;

/**
 * Interface for obtaining system time. A system time source should be used
 * instead of direct system time to facilitate unit testing.
 */
public interface SystemTimeSource {

    /**
     * Obtain the current time.
     *
     * @return current (possible simulated) time
     */
    long getTime();

    long getTimeFromNanos();
    
    /**
     * Obtain current LocalDateTime.
     * 
     * @return current (possible simulated) time up to nanosecond precision.
     */
    LocalDateTime getNow();
}