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ca.uhn.fhir.mdm.rules.matcher.fieldmatchers.ExtensionMatcher Maven / Gradle / Ivy

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 * HAPI FHIR - Master Data Management
 * %%
 * Copyright (C) 2014 - 2024 Smile CDR, Inc.
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 * 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,
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 * See the License for the specific language governing permissions and
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package ca.uhn.fhir.mdm.rules.matcher.fieldmatchers;

import ca.uhn.fhir.mdm.rules.json.MdmMatcherJson;
import ca.uhn.fhir.mdm.rules.matcher.models.IMdmFieldMatcher;
import ca.uhn.fhir.util.ExtensionUtil;
import org.hl7.fhir.instance.model.api.IBase;
import org.hl7.fhir.instance.model.api.IBaseExtension;
import org.hl7.fhir.instance.model.api.IBaseHasExtensions;

import java.util.List;

public class ExtensionMatcher implements IMdmFieldMatcher {

	@Override
	public boolean matches(IBase theLeftBase, IBase theRightBase, MdmMatcherJson theParams) {
		if (!(theLeftBase instanceof IBaseHasExtensions && theRightBase instanceof IBaseHasExtensions)) {
			return false;
		}
		List> leftExtension = ((IBaseHasExtensions) theLeftBase).getExtension();
		List> rightExtension = ((IBaseHasExtensions) theRightBase).getExtension();

		boolean match = false;
		for (IBaseExtension leftExtensionValue : leftExtension) {
			for (IBaseExtension rightExtensionValue : rightExtension) {
				match |= ExtensionUtil.equals(leftExtensionValue, rightExtensionValue);
			}
		}
		return match;
	}
}




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