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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
* IBM - ongoing development
******************************************************************************/
package org.eclipse.equinox.p2.metadata;
import java.util.Map;
/**
* Describes a capability that is exposed by an installable unit. These capabilities
* can satisfy the dependencies of other installable units, causing the unit
* providing the dependency to be installed.
* <p>
* Instances of this class are handle objects and do not necessarily
* reflect entities that exist in any particular profile or repository. These handle
* objects can be created using {@link MetadataFactory}.
* </p>
*
* @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
* @see IRequirement
*/
public interface IProvidedCapability {
/**
*
* @return String the namespace of this capability.
* @noreference This method is not intended to be referenced by clients.
*/
public String getNamespace();
/**
*
* @return String the attribute stored under a key equal to {@link #getNamespace()} attribute of this capability.
* @noreference This method is not intended to be referenced by clients.
*/
public String getName();
/**
*
* @return String the special <code>version</code> attribute of this capability.
* @noreference This method is not intended to be referenced by clients.
*/
public Version getVersion();
/**
*
* @return A full description of this capability
* @noreference This method is not intended to be referenced by clients.
* @since 2.4
*/
public Map<String, Object> getAttributes();
/**
* Returns whether this provided capability 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 IProvidedCapability
* <li> The result of <b>getNamespace()</b> on both objects are equal
* <li> The result of <b>getAttributes()</b> on both objects are equal
* </ul>
*/
@Override
public boolean equals(Object other);
}
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