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/*******************************************************************************
* Copyright (c) 2008, 2009 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
* IBM - ongoing development
******************************************************************************/
package org.eclipse.equinox.p2.publisher;
import java.util.*;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.equinox.internal.p2.core.helpers.CollectionUtils;
import org.eclipse.equinox.p2.metadata.*;
import org.eclipse.equinox.p2.metadata.query.InstallableUnitQuery;
import org.eclipse.equinox.p2.query.*;
public class PublisherResult implements IPublisherResult {
final Map<String, Set<IInstallableUnit>> rootIUs = new HashMap<String, Set<IInstallableUnit>>();
final Map<String, Set<IInstallableUnit>> nonRootIUs = new HashMap<String, Set<IInstallableUnit>>();
public void addIU(IInstallableUnit iu, String type) {
if (type == ROOT)
addIU(rootIUs, iu.getId(), iu);
if (type == NON_ROOT)
addIU(nonRootIUs, iu.getId(), iu);
}
public void addIUs(Collection<IInstallableUnit> ius, String type) {
for (IInstallableUnit iu : ius)
addIU(iu, type);
}
private void addIU(Map<String, Set<IInstallableUnit>> map, String id, IInstallableUnit iu) {
Set<IInstallableUnit> ius = map.get(id);
if (ius == null) {
ius = new HashSet<IInstallableUnit>(11);
map.put(id, ius);
}
ius.add(iu);
}
public IInstallableUnit getIU(String id, Version version, String type) {
if (type == null || type == ROOT) {
Collection<IInstallableUnit> ius = rootIUs.get(id);
for (IInstallableUnit iu : ius) {
if (iu.getVersion().equals(version))
return iu;
}
}
if (type == null || type == NON_ROOT) {
Collection<IInstallableUnit> ius = nonRootIUs.get(id);
for (IInstallableUnit iu : ius) {
if (iu.getVersion().equals(version))
return iu;
}
}
return null;
}
// TODO this method really should not be needed as it just returns the first
// matching IU non-deterministically.
public IInstallableUnit getIU(String id, String type) {
if (type == null || type == ROOT) {
Collection<IInstallableUnit> ius = rootIUs.get(id);
if (ius != null && ius.size() > 0)
return ius.iterator().next();
}
if (type == null || type == NON_ROOT) {
Collection<IInstallableUnit> ius = nonRootIUs.get(id);
if (ius != null && ius.size() > 0)
return ius.iterator().next();
}
return null;
}
/**
* Returns the IUs in this result with the given id.
*/
public Collection<IInstallableUnit> getIUs(String id, String type) {
if (type == null) {
ArrayList<IInstallableUnit> result = new ArrayList<IInstallableUnit>();
result.addAll(id == null ? flatten(rootIUs.values()) : getIUs(rootIUs, id));
result.addAll(id == null ? flatten(nonRootIUs.values()) : getIUs(nonRootIUs, id));
return result;
}
if (type == ROOT)
return id == null ? flatten(rootIUs.values()) : rootIUs.get(id);
if (type == NON_ROOT)
return id == null ? flatten(nonRootIUs.values()) : nonRootIUs.get(id);
return null;
}
private Collection<IInstallableUnit> getIUs(Map<String, Set<IInstallableUnit>> ius, String id) {
Collection<IInstallableUnit> result = ius.get(id);
return result == null ? CollectionUtils.<IInstallableUnit> emptyList() : result;
}
protected List<IInstallableUnit> flatten(Collection<Set<IInstallableUnit>> values) {
ArrayList<IInstallableUnit> result = new ArrayList<IInstallableUnit>();
for (Set<IInstallableUnit> iuSet : values)
for (IInstallableUnit iu : iuSet)
result.add(iu);
return result;
}
public void merge(IPublisherResult result, int mode) {
if (mode == MERGE_MATCHING) {
addIUs(result.getIUs(null, ROOT), ROOT);
addIUs(result.getIUs(null, NON_ROOT), NON_ROOT);
} else if (mode == MERGE_ALL_ROOT) {
addIUs(result.getIUs(null, ROOT), ROOT);
addIUs(result.getIUs(null, NON_ROOT), ROOT);
} else if (mode == MERGE_ALL_NON_ROOT) {
addIUs(result.getIUs(null, ROOT), NON_ROOT);
addIUs(result.getIUs(null, NON_ROOT), NON_ROOT);
}
}
class QueryableMap implements IQueryable<IInstallableUnit> {
private Map<String, Set<IInstallableUnit>> map;
public QueryableMap(Map<String, Set<IInstallableUnit>> map) {
this.map = map;
}
public IQueryResult<IInstallableUnit> query(IQuery<IInstallableUnit> query, IProgressMonitor monitor) {
return query.perform(flatten(this.map.values()).iterator());
}
}
/**
* Queries both the root and non root IUs
*/
public IQueryResult<IInstallableUnit> query(IQuery<IInstallableUnit> query, IProgressMonitor monitor) {
//optimize for installable unit query
if (query instanceof InstallableUnitQuery)
return queryIU((InstallableUnitQuery) query, monitor);
IQueryable<IInstallableUnit> nonRootQueryable = new QueryableMap(nonRootIUs);
IQueryable<IInstallableUnit> rootQueryable = new QueryableMap(rootIUs);
return new CompoundQueryable<IInstallableUnit>(nonRootQueryable, rootQueryable).query(query, monitor);
}
private IQueryResult<IInstallableUnit> queryIU(InstallableUnitQuery query, IProgressMonitor monitor) {
Collector<IInstallableUnit> result = new Collector<IInstallableUnit>();
Collection<IInstallableUnit> matches = getIUs(query.getId(), null);
VersionRange queryRange = query.getRange();
for (IInstallableUnit match : matches) {
if (queryRange == null || queryRange.isIncluded(match.getVersion()))
if (!result.accept(match))
break;
}
return result;
}
}
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