ca.uhn.fhir.jpa.api.model.PersistentIdToForcedIdMap Maven / Gradle / Ivy

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This project provides services useful for fhir repository storage. Actual repository storage services are not in this project, just the api and helper libraries.

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/*-
 * #%L
 * HAPI FHIR Storage api
 * %%
 * Copyright (C) 2014 - 2024 Smile CDR, Inc.
 * %%
 * 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.
 * #L%
 */
package ca.uhn.fhir.jpa.api.model;

import ca.uhn.fhir.rest.api.server.storage.IResourcePersistentId;

import java.util.Map;
import java.util.Optional;
import java.util.Set;
import java.util.stream.Collectors;

public class PersistentIdToForcedIdMap {
	private final Map> myResourcePersistentIdOptionalMap;

	public PersistentIdToForcedIdMap(Map> theResourcePersistentIdOptionalMap) {
		myResourcePersistentIdOptionalMap = theResourcePersistentIdOptionalMap;
	}

	public Set getResolvedResourceIds() {

		return myResourcePersistentIdOptionalMap.entrySet().stream()
				.map(this::getResolvedPid)
				.collect(Collectors.toSet());
	}

	private String getResolvedPid(Map.Entry> entry) {
		// If the result of the translation is an empty optional, it means there is no forced id, and we can use the PID
		// as the resource ID.
		return entry.getValue().isPresent()
				? entry.getValue().get()
				: entry.getKey().toString();
	}

	public Optional get(P theResourcePersistentId) {
		return myResourcePersistentIdOptionalMap.get(theResourcePersistentId);
	}

	public Map> getResourcePersistentIdOptionalMap() {
		return myResourcePersistentIdOptionalMap;
	}
}