package org.argeo.util;
   
   import java.io.Serializable;
   
   /** The status of a test. */
   public class TesterStatus implements Serializable {
   	private static final long serialVersionUID = 6272975746885487000L;
   
   	private Boolean passed = null;
  	private final String uid;
  	private Throwable throwable = null;
  
  	public TesterStatus(String uid) {
  		this.uid = uid;
  	}
  
  	/** For cloning. */
  	public TesterStatus(String uid, Boolean passed, Throwable throwable) {
  		this(uid);
  		this.passed = passed;
  		this.throwable = throwable;
  	}
  
  	public synchronized Boolean isRunning() {
  		return passed == null;
  	}
  
  	public synchronized Boolean isPassed() {
  		assert passed != null;
  		return passed;
  	}
  
  	public synchronized Boolean isFailed() {
  		assert passed != null;
  		return !passed;
  	}
  
  	public synchronized void setPassed() {
  		setStatus(true);
  	}
  
  	public synchronized void setFailed() {
  		setStatus(false);
  	}
  
  	public synchronized void setFailed(Throwable throwable) {
  		setStatus(false);
  		setThrowable(throwable);
  	}
  
  	protected void setStatus(Boolean passed) {
  		if (this.passed != null)
  			throw new IllegalStateException("Passed status of test " + uid + " is already set (to " + passed + ")");
  		this.passed = passed;
  	}
  
  	protected void setThrowable(Throwable throwable) {
  		if (this.throwable != null)
  			throw new IllegalStateException("Throwable of test " + uid + " is already set (to " + passed + ")");
  		this.throwable = throwable;
  	}
  
  	public String getUid() {
  		return uid;
  	}
  
  	public Throwable getThrowable() {
  		return throwable;
  	}
  
  	@Override
  	protected Object clone() throws CloneNotSupportedException {
  		// TODO Auto-generated method stub
  		return super.clone();
  	}
  
  	@Override
  	public boolean equals(Object o) {
  		if (o instanceof TesterStatus) {
  			TesterStatus other = (TesterStatus) o;
  			// we don't check consistency for performance purposes
  			// this equals() is supposed to be used in collections or for transfer
  			return other.uid.equals(uid);
  		}
  		return false;
  	}
  
  	@Override
  	public int hashCode() {
  		return uid.hashCode();
  	}
  
  	@Override
  	public String toString() {
  		return uid + "\t" + (passed ? "passed" : "failed");
  	}
  
  }