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/*******************************************************************************
* Copyright (c) 2008, 2017 Code 9 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:
* Code 9 - initial API and implementation
* IBM - ongoing development
* Cloudsmith Inc. - query indexes
******************************************************************************/
package org.eclipse.equinox.p2.publisher;
import java.util.*;
import org.eclipse.equinox.internal.p2.metadata.IUMap;
import org.eclipse.equinox.internal.p2.metadata.InstallableUnit;
import org.eclipse.equinox.internal.p2.metadata.expression.CompoundIterator;
import org.eclipse.equinox.internal.p2.metadata.index.*;
import org.eclipse.equinox.p2.metadata.IInstallableUnit;
import org.eclipse.equinox.p2.metadata.Version;
import org.eclipse.equinox.p2.metadata.index.IIndex;
import org.eclipse.equinox.p2.query.IQueryResult;
public class PublisherResult extends IndexProvider<IInstallableUnit> implements IPublisherResult {
final IUMap rootIUs = new IUMap();
final IUMap nonRootIUs = new IUMap();
private IIndex<IInstallableUnit> idIndex;
@Override
public void addIU(IInstallableUnit iu, String type) {
if (type == ROOT)
rootIUs.add(iu);
if (type == NON_ROOT)
nonRootIUs.add(iu);
}
@Override
public void addIUs(Collection<IInstallableUnit> ius, String type) {
for (IInstallableUnit iu : ius)
addIU(iu, type);
}
@Override
public IInstallableUnit getIU(String id, Version version, String type) {
if (type == null || type == ROOT) {
IInstallableUnit result = rootIUs.get(id, version);
if (result != null)
return result;
}
if (type == null || type == NON_ROOT) {
IInstallableUnit result = nonRootIUs.get(id, version);
if (result != null)
return result;
}
return null;
}
// TODO this method really should not be needed as it just returns the first
// matching IU non-deterministically.
@Deprecated
@Override
public IInstallableUnit getIU(String id, String type) {
if (type == null || type == ROOT) {
IQueryResult<IInstallableUnit> ius = rootIUs.get(id);
if (!ius.isEmpty())
return ius.iterator().next();
}
if (type == null || type == NON_ROOT) {
IQueryResult<IInstallableUnit> ius = nonRootIUs.get(id);
if (!ius.isEmpty())
return ius.iterator().next();
}
return null;
}
/**
* Returns the IUs in this result with the given id.
*/
@Override
public Collection<IInstallableUnit> getIUs(String id, String type) {
if (type == null) {
// TODO can this be optimized?
ArrayList<IInstallableUnit> result = new ArrayList<>();
result.addAll(rootIUs.get(id).toUnmodifiableSet());
result.addAll(nonRootIUs.get(id).toUnmodifiableSet());
return result;
}
if (type == ROOT)
return rootIUs.get(id).toUnmodifiableSet();
if (type == NON_ROOT)
return nonRootIUs.get(id).toUnmodifiableSet();
return null;
}
@Override
public void merge(IPublisherResult result, int mode) {
switch (mode) {
case MERGE_MATCHING:
addIUs(result.getIUs(null, ROOT), ROOT);
addIUs(result.getIUs(null, NON_ROOT), NON_ROOT);
break;
case MERGE_ALL_ROOT:
addIUs(result.getIUs(null, ROOT), ROOT);
addIUs(result.getIUs(null, NON_ROOT), ROOT);
break;
case MERGE_ALL_NON_ROOT:
addIUs(result.getIUs(null, ROOT), NON_ROOT);
addIUs(result.getIUs(null, NON_ROOT), NON_ROOT);
break;
default:
break;
}
}
@Override
public synchronized IIndex<IInstallableUnit> getIndex(String memberName) {
if (InstallableUnit.MEMBER_ID.equals(memberName)) {
if (idIndex == null) {
ArrayList<IIndex<IInstallableUnit>> indexes = new ArrayList<>();
indexes.add(new IdIndex(nonRootIUs));
indexes.add(new IdIndex(rootIUs));
idIndex = new CompoundIndex<>(indexes);
}
return idIndex;
}
return null;
}
@Override
public Iterator<IInstallableUnit> everything() {
ArrayList<Iterator<IInstallableUnit>> iterators = new ArrayList<>();
iterators.add(nonRootIUs.iterator());
iterators.add(rootIUs.iterator());
return new CompoundIterator<>(iterators.iterator());
}
@Override
public Object getManagedProperty(Object client, String memberName, Object key) {
return null;
}
}
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