| /******************************************************************************* |
| * Copyright (c) 2008, 2010 EclipseSource 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 |
| * |
| * Contributors: |
| * EclipseSource - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.equinox.internal.p2.metadata; |
| |
| import org.eclipse.equinox.p2.metadata.*; |
| |
| /** |
| * A required capability represents some external constraint on an {@link IInstallableUnit}. |
| * Each capability represents something an {@link IInstallableUnit} needs that |
| * it expects to be provided by another {@link IInstallableUnit}. Capabilities are |
| * entirely generic, and are intended to be capable of representing anything that |
| * an {@link IInstallableUnit} may need either at install time, or at runtime. |
| * <p> |
| * Capabilities are segmented into namespaces. Anyone can introduce new |
| * capability namespaces. Some well-known namespaces are introduced directly |
| * by the provisioning framework. |
| * |
| * @see IInstallableUnit#NAMESPACE_IU_ID |
| * |
| * @noimplement This interface is not intended to be implemented by clients. |
| * @noextend This interface is not intended to be extended by clients. |
| */ |
| public interface IRequiredCapability extends IRequirement { |
| |
| // public String getFilter(); |
| |
| public String getName(); |
| |
| public String getNamespace(); |
| |
| /** |
| * Returns the range of versions that satisfy this required capability. Returns |
| * an empty version range ({@link VersionRange#emptyRange} if any version |
| * will satisfy the capability. |
| * @return the range of versions that satisfy this required capability. |
| */ |
| public VersionRange getRange(); |
| } |