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author | CGantert345 <57003061+CGantert345@users.noreply.github.com> | 2021-03-29 14:44:43 +0200 |
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committer | GitHub <noreply@github.com> | 2021-03-29 14:44:43 +0200 |
commit | c25be270079ed4fa23d7a5c2a2d5eb8519243fb3 (patch) | |
tree | 011863c021df3e5356f07b056d30d0e7476061e4 /src/main/java/org/uic/barcode/asn1/datatypes/Asn1Optional.java | |
parent | Merge pull request #13 from UnionInternationalCheminsdeFer/time_zone_fix_3 (diff) | |
parent | structure change 1 (diff) | |
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Diffstat (limited to 'src/main/java/org/uic/barcode/asn1/datatypes/Asn1Optional.java')
-rw-r--r-- | src/main/java/org/uic/barcode/asn1/datatypes/Asn1Optional.java | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/main/java/org/uic/barcode/asn1/datatypes/Asn1Optional.java b/src/main/java/org/uic/barcode/asn1/datatypes/Asn1Optional.java new file mode 100644 index 0000000..71946ec --- /dev/null +++ b/src/main/java/org/uic/barcode/asn1/datatypes/Asn1Optional.java @@ -0,0 +1,20 @@ +package org.uic.barcode.asn1.datatypes; + +import java.lang.annotation.Documented; +import java.lang.annotation.ElementType; +import java.lang.annotation.Retention; +import java.lang.annotation.RetentionPolicy; +import java.lang.annotation.Target; + +/** + * Indicates that the field is OPTIONAL in ASN.1. Implemented as null. Equivalent to @Nullable. + * + * Using Optional<T> would require Manifests to capture generics (like in Gson). + * + */ +@Target({ElementType.FIELD}) +@Retention(RetentionPolicy.RUNTIME) +@Documented +public @interface Asn1Optional { + +} |