package com.atlassian.pageobjects.elements.query;
   
   import com.atlassian.pageobjects.elements.query.util.Clock;
   import com.atlassian.pageobjects.elements.query.util.ClockAware;
   import com.atlassian.pageobjects.elements.query.util.SystemClock;
   
   import javax.annotation.concurrent.NotThreadSafe;
   
   import static com.atlassian.pageobjects.elements.query.util.Clocks.getClock;
  
  
  /**
   * Abstract timed condition based on {@link com.atlassian.pageobjects.elements.query.AbstractTimedQuery}. Override
   * {@link #currentValue()} to complete implementation. 
   *
   */
  @NotThreadSafe
  public abstract class AbstractTimedCondition extends AbstractTimedQuery<Boolean> implements TimedCondition, ClockAware
  {
      protected AbstractTimedCondition(Clock clock, long defTimeout, long interval)
      {
          super(clock, defTimeout, interval, ExpirationHandler.RETURN_CURRENT);
      }
  
      protected AbstractTimedCondition(long defTimeout, long interval)
      {
          this(SystemClock.INSTANCE, defTimeout, interval);
      }
  
      protected AbstractTimedCondition(PollingQuery other)
      {
          this(getClock(other), other.defaultTimeout(), other.interval());
      }
  
      @Override
      protected final boolean shouldReturn(Boolean currentEval)
      {
          return currentEval;
      }
  }