com.b2international.snowowl.snomed.reasoner.server.diff.SourceConceptNamespaceAndModuleAssigner.java Source code

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Here is the source code for com.b2international.snowowl.snomed.reasoner.server.diff.SourceConceptNamespaceAndModuleAssigner.java

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/*
 * Copyright 2017 B2i Healthcare Pte Ltd, http://b2i.sg
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.b2international.snowowl.snomed.reasoner.server.diff;

import static com.b2international.snowowl.core.ApplicationContext.getServiceForClass;
import static com.google.common.collect.Maps.newHashMap;
import static com.google.common.collect.Sets.newHashSet;

import java.util.Collection;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;

import com.b2international.snowowl.core.terminology.ComponentCategory;
import com.b2international.snowowl.snomed.Concept;
import com.b2international.snowowl.snomed.datastore.SnomedEditingContext;
import com.b2international.snowowl.snomed.datastore.id.ISnomedIdentifierService;
import com.b2international.snowowl.snomed.datastore.id.SnomedNamespaceAndModuleAssigner;
import com.b2international.snowowl.snomed.datastore.id.SnomedIdentifiers;
import com.google.common.collect.HashMultiset;
import com.google.common.collect.Multiset;

/**
 * Simple assigner that allocates the namespaces and modules for relationships
 * and concrete domains to match the source concept's namespace.
 * 
 * @since 5.11.5
 */
public final class SourceConceptNamespaceAndModuleAssigner implements SnomedNamespaceAndModuleAssigner {

    private Set<String> reservedIds = newHashSet();
    private Map<String, Iterator<String>> namespaceToRelationshipIdMap = newHashMap();
    private Map<String, Concept> conceptIdToRelationshipModuleMap = newHashMap();
    private Map<String, Concept> conceptIdToConcreteDomainModuleMap = newHashMap();

    @Override
    public String getRelationshipId(String sourceConceptId) {
        String sourceConceptNamespace = SnomedIdentifiers.create(sourceConceptId).getNamespace();
        return namespaceToRelationshipIdMap.get(sourceConceptNamespace).next();
    }

    @Override
    public Concept getRelationshipModule(String sourceConceptId) {
        return conceptIdToRelationshipModuleMap.get(sourceConceptId);
    }

    @Override
    public Concept getConcreteDomainModule(String sourceConceptId) {
        return conceptIdToConcreteDomainModuleMap.get(sourceConceptId);
    }

    @Override
    public void allocateRelationshipIdsAndModules(Multiset<String> conceptIds,
            final SnomedEditingContext editingContext) {
        Multiset<String> reservedIdsByNamespace = HashMultiset.create();
        for (Multiset.Entry<String> conceptIdWithCount : conceptIds.entrySet()) {
            String namespace = SnomedIdentifiers.getNamespace(conceptIdWithCount.getElement());
            reservedIdsByNamespace.add(namespace, conceptIdWithCount.getCount());
        }

        ISnomedIdentifierService identifierService = getServiceForClass(ISnomedIdentifierService.class);
        for (Multiset.Entry<String> namespaceWithCount : reservedIdsByNamespace.entrySet()) {
            Collection<String> reservedIds = identifierService.reserve(namespaceWithCount.getElement(),
                    ComponentCategory.RELATIONSHIP, namespaceWithCount.getCount());
            this.reservedIds.addAll(reservedIds);
            namespaceToRelationshipIdMap.put(namespaceWithCount.getElement(), reservedIds.iterator());
        }

        for (String conceptId : conceptIds.elementSet()) {
            Concept concept = editingContext.lookup(conceptId, Concept.class);
            conceptIdToRelationshipModuleMap.put(conceptId, concept.getModule());
        }
    }

    @Override
    public void allocateConcreteDomainModules(Set<String> conceptIds, final SnomedEditingContext editingContext) {
        for (String conceptId : conceptIds) {
            Concept concept = editingContext.lookup(conceptId, Concept.class);
            conceptIdToConcreteDomainModuleMap.put(conceptId, concept.getModule());
        }
    }

    @Override
    public void registerAllocatedIds() {
        getServiceForClass(ISnomedIdentifierService.class).register(reservedIds);
    }
}