class BinaryExceptionClassifier extends SubclassClassifier<Throwable, Boolean> {

	private boolean traverseCauses;

	public static BinaryExceptionClassifierBuilder builder() {
		return new BinaryExceptionClassifierBuilder();
	}

	public static BinaryExceptionClassifier defaultClassifier() {
		// create new instance for each call due to mutability
		return new BinaryExceptionClassifier(
				Collections.<Class<? extends Throwable>, Boolean>singletonMap(Exception.class, true), false);
	}

	/**
	 * Create a binary exception classifier with the provided default value.
	 * @param defaultValue defaults to false
	 */
	public BinaryExceptionClassifier(boolean defaultValue) {
		super(defaultValue);
	}

	/**
	 * Create a binary exception classifier with the provided classes and their
	 * subclasses. The mapped value for these exceptions will be the one provided (which
	 * will be the opposite of the default).
	 * @param exceptionClasses the exceptions to classify among
	 * @param value the value to classify
	 */
	public BinaryExceptionClassifier(Collection<Class<? extends Throwable>> exceptionClasses, boolean value) {
		this(!value);
		if (exceptionClasses != null) {
			Map<Class<? extends Throwable>, Boolean> map = new HashMap<>();
			for (Class<? extends Throwable> type : exceptionClasses) {
				map.put(type, !getDefault());
			}
			setTypeMap(map);
		}
	}

	/**
	 * Create a binary exception classifier with the default value false and value mapping
	 * true for the provided classes and their subclasses.
	 * @param exceptionClasses the exception types to throw
	 */
	public BinaryExceptionClassifier(Collection<Class<? extends Throwable>> exceptionClasses) {
		this(exceptionClasses, true);
	}

	/**
	 * Create a binary exception classifier using the given classification map and a
	 * default classification of false.
	 * @param typeMap the map of types
	 */
	public BinaryExceptionClassifier(Map<Class<? extends Throwable>, Boolean> typeMap) {
		this(typeMap, false);
	}

	/**
	 * Create a binary exception classifier using the given classification map and the
	 * given value for default class.
	 * @param defaultValue the default value to use
	 * @param typeMap the map of types to classify
	 */
	public BinaryExceptionClassifier(Map<Class<? extends Throwable>, Boolean> typeMap, boolean defaultValue) {
		super(typeMap, defaultValue);
	}

	/**
	 * Create a binary exception classifier.
	 * @param defaultValue the default value to use
	 * @param typeMap the map of types to classify
	 * @param traverseCauses if true, throwable's causes will be inspected to find
	 * non-default class
	 */
	public BinaryExceptionClassifier(Map<Class<? extends Throwable>, Boolean> typeMap, boolean defaultValue,
			boolean traverseCauses) {
		super(typeMap, defaultValue);
		this.traverseCauses = traverseCauses;
	}

	public void setTraverseCauses(boolean traverseCauses) {
		this.traverseCauses = traverseCauses;
	}

	@Override
	public Boolean classify(Throwable classifiable) {<FILL_FUNCTION_BODY>}

}

		Boolean classified = super.classify(classifiable);
		if (!this.traverseCauses) {
			return classified;
		}

		/*
		 * If the result is the default, we need to find out if it was by default or so
		 * configured; if default, try the cause(es).
		 */
		if (classified.equals(this.getDefault())) {
			Throwable cause = classifiable;
			do {
				if (this.getClassified().containsKey(cause.getClass())) {
					return classified; // non-default classification
				}
				cause = cause.getCause();
				classified = super.classify(cause);
			}
			while (cause != null && classified.equals(this.getDefault()));
		}

		return classified;
	
<methods>public void <init>() ,public void <init>(java.lang.Boolean) ,public void <init>(Map<Class<? extends java.lang.Throwable>,java.lang.Boolean>, java.lang.Boolean) ,public void add(Class<? extends java.lang.Throwable>, java.lang.Boolean) ,public java.lang.Boolean classify(java.lang.Throwable) ,public final java.lang.Boolean getDefault() ,public void setDefaultValue(java.lang.Boolean) ,public void setTypeMap(Map<Class<? extends java.lang.Throwable>,java.lang.Boolean>) <variables>private ConcurrentMap<Class<? extends java.lang.Throwable>,java.lang.Boolean> classified,private java.lang.Boolean defaultValue