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/*******************************************************************************
* Copyright (c) 2008, 2010 IBM Corporation 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:
* IBM Corporation - initial API and implementation
* Cloudsmith Inc. - converted into expression based query
*******************************************************************************/
package org.eclipse.equinox.internal.p2.director;
import org.eclipse.equinox.p2.query.ExpressionMatchQuery;
import org.eclipse.equinox.p2.metadata.IInstallableUnit;
import org.eclipse.equinox.p2.metadata.IInstallableUnitPatch;
import org.eclipse.equinox.p2.metadata.expression.ExpressionUtil;
import org.eclipse.equinox.p2.metadata.expression.IExpression;
/**
* A query that accepts any patch that applies to a given installable unit.
*/
public class ApplicablePatchQuery extends ExpressionMatchQuery<IInstallableUnit> {
private static final IExpression applicablePatches = ExpressionUtil.parse(//
"applicabilityScope.empty || applicabilityScope.exists(rqArr | rqArr.all(rq | $0 ~= rq))"); //$NON-NLS-1$
/**
* Creates a new patch query on the given installable unit. Patches that can
* be applied to this unit will be accepted as matches by the query.
* @param iu The unit to compare patches against
*/
public ApplicablePatchQuery(IInstallableUnit iu) {
super(IInstallableUnitPatch.class, applicablePatches, iu);
}
}
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