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/*******************************************************************************
* Copyright (c) 2008, 2017 EclipseSource and others.
* 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:
* EclipseSource - initial API and implementation
******************************************************************************/
package org.eclipse.equinox.p2.metadata;
/**
* Identifies a particular touchpoint. A touchpoint is identified by an id
* and a version.
*
* @noimplement This interface is not intended to be implemented by clients.
* @noextend This interface is not intended to be extended by clients.
* @since 2.0
*/
public interface ITouchpointType {
/**
* A touchpoint type indicating an undefined touchpoint type. Identity (==)
* must be used to test for the <code>NONE</code> type.
*/
public static final ITouchpointType NONE = new ITouchpointType() {
@Override
public String getId() {
return "null"; //$NON-NLS-1$
}
@Override
public Version getVersion() {
return Version.emptyVersion;
}
};
public String getId();
public Version getVersion();
/**
* Returns whether this TouchpointInstruction is equal to the given object.
*
* This method returns <i>true</i> if:
* <ul>
* <li> Both this object and the given object are of type ITouchpointType
* <li> The result of <b>getId()</b> on both objects are equal
* <li> The result of <b>getVersion()</b> on both objects are equal
* </ul>
*/
@Override
public boolean equals(Object obj);
}
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