001package ca.uhn.fhir.rest.gclient; 002 003/* 004 * #%L 005 * HAPI FHIR - Core Library 006 * %% 007 * Copyright (C) 2014 - 2021 Smile CDR, Inc. 008 * %% 009 * Licensed under the Apache License, Version 2.0 (the "License"); 010 * you may not use this file except in compliance with the License. 011 * You may obtain a copy of the License at 012 * 013 * http://www.apache.org/licenses/LICENSE-2.0 014 * 015 * Unless required by applicable law or agreed to in writing, software 016 * distributed under the License is distributed on an "AS IS" BASIS, 017 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 018 * See the License for the specific language governing permissions and 019 * limitations under the License. 020 * #L% 021 */ 022import static org.apache.commons.lang3.StringUtils.defaultString; 023 024import ca.uhn.fhir.context.FhirContext; 025 026public class CompositeCriterion<A extends IParam, B extends IParam> implements ICompositeWithLeft<B>, ICriterion<B>, ICriterionInternal { 027 028 private ICriterion<B> myRight; 029 private String myName; 030 private ICriterion<A> myLeft; 031 032 public CompositeCriterion(String theName, ICriterion<A> theLeft) { 033 myName = theName; 034 myLeft = theLeft; 035 } 036 037 @Override 038 public ICriterion<B> withRight(ICriterion<B> theRight) { 039 myRight = theRight; 040 return this; 041 } 042 043 @Override 044 public String getParameterValue(FhirContext theContext) { 045 ICriterionInternal left = (ICriterionInternal) myLeft; 046 ICriterionInternal right = (ICriterionInternal) myRight; 047 return defaultString(left.getParameterValue(theContext)) + '$' + defaultString(right.getParameterValue(theContext)); 048 } 049 050 @Override 051 public String getParameterName() { 052 return myName; 053 } 054 055}