Examples with IRequirement org.eclipse.equinox.p2.metadata.IRequirement used on opensource projects

Example 31 with IRequirement

use of org.eclipse.equinox.p2.metadata.IRequirement in project tycho by eclipse.

the class AbstractSlicerResolutionStrategy method createUnitRequiring.

protected static IInstallableUnit createUnitRequiring(String name, Collection<IInstallableUnit> units, Collection<IRequirement> additionalRequirements) {
    InstallableUnitDescription result = new MetadataFactory.InstallableUnitDescription();
    String time = Long.toString(System.currentTimeMillis());
    result.setId(name + "-" + time);
    result.setVersion(Version.createOSGi(0, 0, 0, time));
    ArrayList<IRequirement> requirements = new ArrayList<>();
    if (units != null) {
        for (IInstallableUnit unit : units) {
            requirements.add(createStrictRequirementTo(unit));
        }
    }
    if (additionalRequirements != null) {
        requirements.addAll(additionalRequirements);
    }
    result.addRequirements(requirements);
    return MetadataFactory.createInstallableUnit(result);
}

Example 32 with IRequirement

use of org.eclipse.equinox.p2.metadata.IRequirement in project tycho by eclipse.

the class AbstractSlicerResolutionStrategy method slice.

protected final IQueryable<IInstallableUnit> slice(Map<String, String> properties, IProgressMonitor monitor) throws ResolverException {
    if (logger.isExtendedDebugEnabled()) {
        logger.debug("Properties: " + properties.toString());
        logger.debug("Available IUs:\n" + toDebugString(data.getAvailableIUs(), false));
        logger.debug("JRE IUs:\n" + toDebugString(data.getEEResolutionHints().getMandatoryUnits(), false));
        logger.debug("Root IUs:\n" + toDebugString(data.getRootIUs(), true));
        if (data.getAdditionalRequirements() != null && !data.getAdditionalRequirements().isEmpty()) {
            StringBuilder sb = new StringBuilder();
            for (IRequirement req : data.getAdditionalRequirements()) {
                sb.append("   ").append(req.toString()).append("\n");
            }
            logger.debug("Extra Requirements:\n" + sb.toString());
        }
    }
    Set<IInstallableUnit> availableIUs = new LinkedHashSet<>(data.getAvailableIUs());
    availableIUs.addAll(data.getEEResolutionHints().getTemporaryAdditions());
    availableIUs.addAll(data.getEEResolutionHints().getMandatoryUnits());
    Set<IInstallableUnit> seedIUs = new LinkedHashSet<>(data.getRootIUs());
    if (data.getAdditionalRequirements() != null && !data.getAdditionalRequirements().isEmpty()) {
        seedIUs.add(createUnitRequiring("tycho-extra", null, data.getAdditionalRequirements()));
    }
    // make sure profile UIs are part of the slice
    seedIUs.addAll(data.getEEResolutionHints().getMandatoryUnits());
    if (!data.getEEResolutionHints().getMandatoryRequires().isEmpty()) {
        seedIUs.add(createUnitRequiring("tycho-ee", null, data.getEEResolutionHints().getMandatoryRequires()));
    }
    Slicer slicer = newSlicer(new QueryableCollection(availableIUs), properties);
    IQueryable<IInstallableUnit> slice = slicer.slice(seedIUs.toArray(EMPTY_IU_ARRAY), monitor);
    MultiStatus slicerStatus = slicer.getStatus();
    if (slice == null || isSlicerError(slicerStatus)) {
        throw new ResolverException(StatusTool.toLogMessage(slicerStatus), properties.toString(), StatusTool.findException(slicerStatus));
    }
    if (logger.isExtendedDebugEnabled()) {
        logger.debug("Slice:\n" + ResolverDebugUtils.toDebugString(slice, false, monitor));
    }
    return slice;
}

Example 33 with IRequirement

use of org.eclipse.equinox.p2.metadata.IRequirement in project tycho by eclipse.

the class ProjectorResolutionStrategy method resolve.

@Override
public Collection<IInstallableUnit> resolve(Map<String, String> properties, IProgressMonitor monitor) throws ResolverException {
    Map<String, String> newSelectionContext = SimplePlanner.createSelectionContext(properties);
    IQueryable<IInstallableUnit> slice = slice(properties, monitor);
    Set<IInstallableUnit> seedUnits = new LinkedHashSet<>(data.getRootIUs());
    List<IRequirement> seedRequires = new ArrayList<>();
    if (data.getAdditionalRequirements() != null) {
        seedRequires.addAll(data.getAdditionalRequirements());
    }
    // force profile UIs to be used during resolution
    seedUnits.addAll(data.getEEResolutionHints().getMandatoryUnits());
    seedRequires.addAll(data.getEEResolutionHints().getMandatoryRequires());
    Projector projector = new Projector(slice, newSelectionContext, new HashSet<IInstallableUnit>(), false);
    projector.encode(createUnitRequiring("tycho", seedUnits, seedRequires), EMPTY_IU_ARRAY, /* alreadyExistingRoots */
    new QueryableArray(EMPTY_IU_ARRAY), /* installedIUs */
    seedUnits, /* newRoots */
    monitor);
    IStatus s = projector.invokeSolver(monitor);
    if (s.getSeverity() == IStatus.ERROR) {
        // log all transitive requirements which cannot be satisfied; this doesn't print the dependency chain from the seed to the units with missing requirements, so this is less useful than the "explanation"
        logger.debug(StatusTool.collectProblems(s));
        // suppress "Cannot complete the request.  Generating details."
        Set<Explanation> explanation = projector.getExplanation(new NullProgressMonitor());
        throw new ResolverException(toString(explanation), newSelectionContext.toString(), StatusTool.findException(s));
    }
    Collection<IInstallableUnit> newState = projector.extractSolution();
    // remove fake IUs from resolved state
    newState.removeAll(data.getEEResolutionHints().getTemporaryAdditions());
    fixSWT(data.getAvailableIUs(), newState, newSelectionContext, monitor);
    if (logger.isExtendedDebugEnabled()) {
        logger.debug("Resolved IUs:\n" + ResolverDebugUtils.toDebugString(newState, false));
    }
    return newState;
}

Example 34 with IRequirement

use of org.eclipse.equinox.p2.metadata.IRequirement in project tycho by eclipse.

the class P2ResolverImpl method resolveInstallableUnit.

// TODO 412416 this should be a method on the class TargetPlatform
@Override
public P2ResolutionResult resolveInstallableUnit(TargetPlatform targetPlatform, String id, String versionRange) {
    setContext(targetPlatform, null);
    QueryableCollection queriable = new QueryableCollection(context.getInstallableUnits());
    VersionRange range = new VersionRange(versionRange);
    IRequirement requirement = MetadataFactory.createRequirement(IInstallableUnit.NAMESPACE_IU_ID, id, range, null, 1, /* min */
    Integer.MAX_VALUE, /* max */
    false);
    IQueryResult<IInstallableUnit> result = queriable.query(QueryUtil.createLatestQuery(QueryUtil.createMatchQuery(requirement.getMatches())), monitor);
    Set<IInstallableUnit> newState = result.toUnmodifiableSet();
    return toResolutionResult(newState, null);
}

Example 35 with IRequirement

use of org.eclipse.equinox.p2.metadata.IRequirement in project tycho by eclipse.

the class MirrorApplicationServiceTest method strictRequirementTo.

private static Set<IRequirement> strictRequirementTo(VersionedId unit) {
    VersionRange strictRange = new VersionRange(unit.getVersion(), true, unit.getVersion(), true);
    IRequirement requirement = new RequiredCapability(IInstallableUnit.NAMESPACE_IU_ID, unit.getId(), strictRange, null, false, false);
    return Collections.singleton(requirement);
}