Examples with ResolvableInstanceReference eu.esdihumboldt.hale.common.instance.model.ResolvableInstanceReference used on opensource projects

Example 6 with ResolvableInstanceReference

use of eu.esdihumboldt.hale.common.instance.model.ResolvableInstanceReference in project hale by halestudio.

the class InstanceIndexUpdateServiceImpl method reindex.

private void reindex() {
    getIndexService().clearIndexedValues();
    InstanceService is = serviceProvider.getService(InstanceService.class);
    InstanceCollection source = is.getInstances(DataSet.SOURCE);
    try (ResourceIterator<Instance> it = source.iterator()) {
        while (it.hasNext()) {
            Instance i = it.next();
            InstanceReference ref = source.getReference(i);
            if (Identifiable.is(ref)) {
                ref = new IdentifiableInstanceReference(ref, Identifiable.getId(ref));
            }
            ResolvableInstanceReference rir = new ResolvableInstanceReference(ref, source);
            getIndexService().add(i, rir);
        }
    }
}

Example 7 with ResolvableInstanceReference

use of eu.esdihumboldt.hale.common.instance.model.ResolvableInstanceReference in project hale by halestudio.

the class IndexJoinHandler method partitionInstances.

/**
 * @see eu.esdihumboldt.hale.common.align.transformation.function.InstanceHandler#partitionInstances(eu.esdihumboldt.hale.common.instance.model.InstanceCollection,
 *      java.lang.String,
 *      eu.esdihumboldt.hale.common.align.transformation.engine.TransformationEngine,
 *      com.google.common.collect.ListMultimap, java.util.Map,
 *      eu.esdihumboldt.hale.common.align.transformation.report.TransformationLog)
 */
@Override
public ResourceIterator<FamilyInstance> partitionInstances(InstanceCollection instances, String transformationIdentifier, TransformationEngine engine, ListMultimap<String, ParameterValue> transformationParameters, Map<String, String> executionParameters, TransformationLog log) throws TransformationException {
    if (transformationParameters == null || !transformationParameters.containsKey(PARAMETER_JOIN) || transformationParameters.get(PARAMETER_JOIN).isEmpty()) {
        throw new TransformationException("No join parameter defined");
    }
    JoinHandler fallbackHandler = new JoinHandler();
    InstanceIndexService indexService = serviceProvider.getService(InstanceIndexService.class);
    if (indexService == null) {
        log.warn(MessageFormat.format("Index service not available, falling back to join handler {0}", fallbackHandler.getClass().getCanonicalName()));
        return fallbackHandler.partitionInstances(instances, transformationIdentifier, engine, transformationParameters, executionParameters, log);
    }
    JoinParameter joinParameter = transformationParameters.get(PARAMETER_JOIN).get(0).as(JoinParameter.class);
    String validation = joinParameter.validate();
    if (validation != null) {
        throw new TransformationException("Join parameter invalid: " + validation);
    }
    List<TypeEntityDefinition> types = joinParameter.getTypes();
    JoinDefinition joinDefinition = JoinUtil.getJoinDefinition(joinParameter);
    // remember instances of first type to start join afterwards
    Collection<ResolvableInstanceReference> startInstances = new LinkedList<ResolvableInstanceReference>();
    List<Object> inputInstanceIds = new ArrayList<>();
    try (ResourceIterator<Instance> it = instances.iterator()) {
        while (it.hasNext()) {
            Instance i = InstanceDecorator.getRoot(it.next());
            // remember instances of first type
            if (i.getDefinition().equals(types.get(0).getDefinition())) {
                startInstances.add(new ResolvableInstanceReference(instances.getReference(i), instances));
            }
            if (!Identifiable.is(i)) {
                log.warn(MessageFormat.format("At least one instance does not have an ID, falling back to join handler {0}", fallbackHandler.getClass().getCanonicalName()));
                return fallbackHandler.partitionInstances(instances, transformationIdentifier, engine, transformationParameters, executionParameters, log);
            }
            inputInstanceIds.add(Identifiable.getId(i));
        }
    }
    return new IndexJoinIterator(startInstances, joinDefinition, indexService);
}

Example 8 with ResolvableInstanceReference

use of eu.esdihumboldt.hale.common.instance.model.ResolvableInstanceReference in project hale by halestudio.

the class IndexMergeHandler method partitionInstances.

/**
 * @see eu.esdihumboldt.cst.functions.core.merge.AbstractMergeHandler#partitionInstances(eu.esdihumboldt.hale.common.instance.model.InstanceCollection,
 *      java.lang.String,
 *      eu.esdihumboldt.hale.common.align.transformation.engine.TransformationEngine,
 *      com.google.common.collect.ListMultimap, java.util.Map,
 *      eu.esdihumboldt.hale.common.align.transformation.report.TransformationLog)
 */
@Override
public ResourceIterator<FamilyInstance> partitionInstances(InstanceCollection instances, String transformationIdentifier, TransformationEngine engine, ListMultimap<String, ParameterValue> transformationParameters, Map<String, String> executionParameters, TransformationLog log) throws TransformationException {
    PropertiesMergeHandler fallbackHandler = new PropertiesMergeHandler();
    InstanceIndexService indexService = serviceProvider.getService(InstanceIndexService.class);
    if (indexService == null) {
        log.warn(MessageFormat.format("Index service not available, falling back to merge handler {0}", fallbackHandler.getClass().getCanonicalName()));
        return fallbackHandler.partitionInstances(instances, transformationIdentifier, engine, transformationParameters, executionParameters, log);
    }
    final IndexMergeConfig mergeConfig = createMergeConfiguration(transformationParameters);
    QName typeName;
    try (ResourceIterator<Instance> it = instances.iterator()) {
        if (it.hasNext()) {
            typeName = it.next().getDefinition().getName();
        } else {
            // Nothing to partition
            return new ResourceIterator<FamilyInstance>() {

                @Override
                public boolean hasNext() {
                    return false;
                }

                @Override
                public FamilyInstance next() {
                    return null;
                }

                @Override
                public void close() {
                // Do nothing
                }
            };
        }
    }
    // Querying the index will yield a result over all instances. We must,
    // however, be able to operate only on the given input instances instead
    // of all instances.
    // We must, therefore, be able to uniquely identify every instance in
    // the index, so that we can retain from the index query only the
    // relevant instances.
    List<Object> inputInstanceIds = new ArrayList<>();
    try (ResourceIterator<Instance> it = instances.iterator()) {
        while (it.hasNext()) {
            Instance i = InstanceDecorator.getRoot(it.next());
            if (!Identifiable.is(i)) {
                log.warn(MessageFormat.format("At least one instance does not have an ID, falling back to merge handler {0}", fallbackHandler.getClass().getCanonicalName()));
                return fallbackHandler.partitionInstances(instances, transformationIdentifier, engine, transformationParameters, executionParameters, log);
            }
            inputInstanceIds.add(Identifiable.getId(i));
        }
    }
    Collection<Collection<ResolvableInstanceReference>> partitionedIndex = indexService.groupBy(typeName, mergeConfig.keyProperties);
    // Remove instance groups from the partitioned index where none of the
    // instances in the group are in the processed instances.
    partitionedIndex.removeIf(part -> !part.stream().map(ref -> ref.getId()).anyMatch(id -> inputInstanceIds.contains(id)));
    Iterator<Collection<ResolvableInstanceReference>> it = partitionedIndex.iterator();
    return new ResourceIterator<FamilyInstance>() {

        @Override
        public boolean hasNext() {
            return it.hasNext();
        }

        @Override
        public FamilyInstance next() {
            Collection<ResolvableInstanceReference> instanceRefs = it.next();
            InstanceCollection instancesToBeMerged = new DefaultInstanceCollection(instanceRefs.stream().map(ref -> ref.resolve()).collect(Collectors.toList()));
            return new FamilyInstanceImpl(merge(instancesToBeMerged, mergeConfig));
        }

        @Override
        public void close() {
        // TODO Auto-generated method stub
        }
    };
}

Example 9 with ResolvableInstanceReference

use of eu.esdihumboldt.hale.common.instance.model.ResolvableInstanceReference in project hale by halestudio.

the class InstanceIndexServiceImpl method add.

/**
 * @see eu.esdihumboldt.hale.common.instance.index.InstanceIndexService#add(eu.esdihumboldt.hale.common.instance.model.Instance,
 *      eu.esdihumboldt.hale.common.instance.model.InstanceCollection)
 */
@Override
public void add(Instance instance, InstanceCollection instances) {
    InstanceReference ref;
    if (Identifiable.is(instance)) {
        ref = new IdentifiableInstanceReference(instances.getReference(instance), Identifiable.getId(instance));
    } else {
        ref = instances.getReference(instance);
    }
    ResolvableInstanceReference rir = new ResolvableInstanceReference(ref, instances);
    getIndex(instance.getDefinition().getName()).add(rir, instance);
}