| /******************************************************************************* |
| * Copyright (c) 2007, 2009 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.equinox.p2.cudf.query; |
| |
| import org.eclipse.equinox.p2.cudf.metadata.IRequiredCapability; |
| import org.eclipse.equinox.p2.cudf.metadata.InstallableUnit; |
| |
| |
| /** |
| * A query that searches for {@link InstallableUnit} instances that provide |
| * capabilities that match one or more required capabilities. |
| */ |
| public class CapabilityQuery extends MatchQuery { |
| private IRequiredCapability required; |
| |
| /** |
| * Creates a new query on the given required capability. |
| * @param required The required capability |
| */ |
| public CapabilityQuery(IRequiredCapability required) { |
| this.required = required; |
| } |
| |
| /** |
| * Returns the required capability that this query is matching against. |
| * @return the required capability that this query is matching against. |
| */ |
| public IRequiredCapability getRequiredCapabilities() { |
| return required; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.equinox.p2.query2.Query#isMatch(java.lang.Object) |
| */ |
| public boolean isMatch(Object object) { |
| // if (!(object instanceof InstallableUnit)) |
| // return false; |
| // InstallableUnit candidate = (InstallableUnit) object; |
| // if (!candidate.satisfies(required)) |
| // return false; |
| return true; |
| } |
| } |
