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/*******************************************************************************
* Copyright (c) 2022 Simeon Andreev and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*******************************************************************************/
package org.eclipse.jdt.core;
/**
* A delta which describes changes in {@link IClasspathAttribute} of a classpath
* between two discrete points in time. Given a delta,
* clients can access the name of the affected attribute
* as well as the current value of the attribute.
*
* Deltas have a different status depending on the kind of change they represent.
* The list below summarizes each status (as returned by {@link #getKind})
* and its meaning (see individual constants for a more detailed description):
*
* - {@link #ADDED} - The attribute has been added.
* - {@link #REMOVED} - The attribute has been removed.
* - {@link #CHANGED} - The value of the attribute has been changed.
*
*
* @since 3.33
*/
public interface IClasspathAttributeDelta {
/**
* Status constant indicating that the attribute has been added.
*
* @see #getKind()
*/
public int ADDED = 1;
/**
* Status constant indicating that the attribute has been removed.
*
* @see #getKind()
*/
public int REMOVED = 2;
/**
* Status constant indicating that the attribute has been changed.
*
* @see #getKind()
*/
public int CHANGED = 4;
/**
* Returns the kind of this delta - one of {@link #ADDED}, {@link #REMOVED},
* or {@link #CHANGED}.
*
* @return the kind of this delta
*/
int getKind();
/**
* Returns the name of the affected attribute.
*
* @return the name of the attribute
*/
String getAttributeName();
/**
* Returns the current value of the affected attribute.
*
* @return the value of the attribute
*/
String getAttributeValue();
}