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001package org.hl7.fhir.r5.comparison; 002 003import java.util.ArrayList; 004import java.util.HashMap; 005import java.util.List; 006import java.util.Map; 007 008import org.hl7.fhir.r5.comparison.CanonicalResourceComparer.CanonicalResourceComparison; 009import org.hl7.fhir.r5.model.Base; 010import org.hl7.fhir.r5.model.CanonicalResource; 011 012public class VersionComparisonAnnotation { 013 014 public enum AnotationType { 015 NoChange, Added, Changed, Deleted; 016 } 017 018 public static final String USER_DATA_NAME = "version-annotation"; 019 020 private AnotationType type; 021 private String original; 022 private Map<String, List<Base>> deletedChildren; 023 private CanonicalResourceComparison<? extends CanonicalResource> comp; 024 025 public VersionComparisonAnnotation(AnotationType type) { 026 super(); 027 this.type = type; 028 } 029 030 public void added() { 031 assert type == AnotationType.NoChange; 032 type = AnotationType.Added; 033 } 034 035 public void changed(Base orig) { 036 assert type == AnotationType.NoChange; 037 type = AnotationType.Changed; 038 if (orig != null && orig.isPrimitive() && orig.primitiveValue().length() < 120) { // arbitrary, but we don't a whack of markdown 039 this.original = orig.primitiveValue(); 040 } 041 } 042 043 public void deleted() { 044 assert type == AnotationType.NoChange; 045 type = AnotationType.Deleted; 046 047 048 } 049 050 public void deleted(String name, Base other) { 051 if (deletedChildren == null) { 052 deletedChildren = new HashMap<>(); 053 } 054 if (!deletedChildren.containsKey(name)) { 055 deletedChildren.put(name, new ArrayList<>()); 056 } 057 deletedChildren.get(name).add(other); 058 } 059 060 public void comp(CanonicalResourceComparison<? extends CanonicalResource> comp) { 061 assert this.comp == null; 062 // TODO Auto-generated method stub 063 if (!comp.noUpdates()) { 064 type = AnotationType.Changed; 065 } 066 this.comp = comp; 067 } 068 069 public static String getUserDataName() { 070 return USER_DATA_NAME; 071 } 072 073 public AnotationType getType() { 074 return type; 075 } 076 077 public String getOriginal() { 078 return original; 079 } 080 081 public Map<String, List<Base>> getDeletedChildren() { 082 return deletedChildren; 083 } 084 085 public CanonicalResourceComparison<? extends CanonicalResource> getComp() { 086 return comp; 087 } 088 089 090 public static boolean hasDeleted(Base base, String... names) { 091 boolean result = false; 092 if (base.hasUserData(USER_DATA_NAME)) { 093 VersionComparisonAnnotation self = (VersionComparisonAnnotation) base.getUserData(USER_DATA_NAME); 094 for (String name : names) { 095 if (self.deletedChildren != null && self.deletedChildren.containsKey(name)) { 096 result = true; 097 } 098 } 099 } 100 return result; 101 } 102 103 public static List<Base> getDeleted(Base base, String... names) { 104 List<Base> result = new ArrayList<>(); 105 if (base.hasUserData(USER_DATA_NAME)) { 106 VersionComparisonAnnotation self = (VersionComparisonAnnotation) base.getUserData(USER_DATA_NAME); 107 for (String name : names) { 108 if (self.deletedChildren != null && self.deletedChildren.containsKey(name)) { 109 result.addAll(self.deletedChildren.get(name)); 110 } 111 } 112 } 113 return result; 114 } 115 116 public static Base getDeletedItem(Base base, String name) { 117 List<Base> result = new ArrayList<>(); 118 if (base.hasUserData(USER_DATA_NAME)) { 119 VersionComparisonAnnotation self = (VersionComparisonAnnotation) base.getUserData(USER_DATA_NAME); 120 if (self.deletedChildren != null && self.deletedChildren.containsKey(name)) { 121 result.addAll(self.deletedChildren.get(name)); 122 } 123 } 124 return result.isEmpty() ? null : result.get(0); 125 } 126 127 128 129 130 public static CanonicalResourceComparison<? extends CanonicalResource> artifactComparison(Base base) { 131 if (base.hasUserData(USER_DATA_NAME)) { 132 VersionComparisonAnnotation self = (VersionComparisonAnnotation) base.getUserData(USER_DATA_NAME); 133 return self.comp; 134 } else { 135 return null; 136 } 137 } 138 139 140}