package org.kuali.common.aws.ec2.impl;
   
   import org.kuali.common.aws.ec2.api.EC2Service;
   import org.kuali.common.aws.ec2.model.InstanceStateName;
   import org.kuali.common.util.Assert;
   import org.kuali.common.util.condition.Condition;
   
   /**
    * Until this condition returns true, there is no point in attempting to do anything with an EC2 instance. After it returns true, Amazon has verified that the instance is online
   * and functioning.
   */
  public final class IsOnlineCondition implements Condition {
  
  	public IsOnlineCondition(EC2Service service, String instanceId) {
  		Assert.noNulls(service);
  		Assert.noBlanks(instanceId);
  		this.running = new InstanceStateCondition(service, instanceId, InstanceStateName.RUNNING);
  		this.reachable = new IsReachableCondition(service, instanceId);
  	}
  
  	private final Condition running;
  	private final Condition reachable;
  
  	@Override
  	public boolean isTrue() {
  		return running.isTrue() && reachable.isTrue();
  	}
  
  	public Condition getRunning() {
  		return running;
  	}
  
  	public Condition getReachable() {
  		return reachable;
  	}
  
  }