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/*******************************************************************************
* Copyright (c) 2009, 2012 Mountainminds GmbH & Co. KG and Contributors
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Marc R. Hoffmann - initial API and implementation
*
*******************************************************************************/
package org.jacoco.core.analysis;
/**
* A counter holds the missed and the covered number of particular items like
* classes, methods, branches or instructions.
*/
public interface ICounter {
/**
* Status flag for no items (value is 0x00).
*/
public static final int EMPTY = 0x00;
/**
* Status flag when all items are not covered (value is 0x01).
*/
public static final int NOT_COVERED = 0x01;
/**
* Status flag when all items are covered (value is 0x02).
*/
public static final int FULLY_COVERED = 0x02;
/**
* Status flag when items are partly covered (value is 0x03).
*/
public static final int PARTLY_COVERED = NOT_COVERED | FULLY_COVERED;
/**
* Returns the total count of items.
*
* @return total count of items
*/
public int getTotalCount();
/**
* Returns the count of covered items.
*
* @return count of covered items
*/
public int getCoveredCount();
/**
* Returns the count of missed items.
*
* @return count of missed items
*/
public int getMissedCount();
/**
* Calculates the ratio of covered to total count items. If total count
* items is 0 this method returns NaN.
*
* @return ratio of covered to total count items
*/
public double getCoveredRatio();
/**
* Calculates the ratio of missed to total count items. If total count items
* is 0 this method returns NaN.
*
* @return ratio of missed to total count items
*/
public double getMissedRatio();
/**
* Returns the coverage status of this counter.
*
* @see ICounter#EMPTY
* @see ICounter#NOT_COVERED
* @see ICounter#PARTLY_COVERED
* @see ICounter#FULLY_COVERED
*
* @return status of this line
*/
public int getStatus();
}
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