/*******************************************************************************
* Copyright (c) 2008 Code 9 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:
* Code 9 - initial API and implementation
******************************************************************************/
package org.eclipse.equinox.p2.publisher.actions;
import java.util.Arrays;
import java.util.Collection;
import org.eclipse.equinox.p2.metadata.IInstallableUnit;
import org.eclipse.equinox.p2.publisher.AbstractAdvice;
import org.eclipse.equinox.p2.publisher.IPublisherResult;
import org.eclipse.equinox.p2.query.IQuery;
public class RootIUResultFilterAdvice extends AbstractAdvice implements IRootIUAdvice {
private IQuery<IInstallableUnit> query;
public RootIUResultFilterAdvice(IQuery<IInstallableUnit> query) {
this.query = query;
}
public Collection<IInstallableUnit> getChildren(IPublisherResult result) {
Collection<IInstallableUnit> value = result.getIUs(null, IPublisherResult.ROOT);
if (query == null)
return value;
return Arrays.asList(query.perform(value.iterator()).toArray(IInstallableUnit.class));
}
}