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Suppress serialization warnings. (#2502) 

Recent versions of javac emit a warning if a serializable class has
a non-transient instance field with a declared type that does not
inherit `Serializable`. In this context, we know that the actual
values will always be serializable.
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Éamonn McManus 2023-09-30 12:41:04 -07:00 committed by GitHub
parent 98077053f6
commit 45acc4db42
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1 changed files with 10 additions and 0 deletions
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gson/src/main/java/com/google/gson/internal/$Gson$Types.java
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@ -496,9 +496,16 @@ public final class $Gson$Types {
return false;
}
// Here and below we put @SuppressWarnings("serial") on fields of type `Type`. Recent Java
// compilers complain that the declared type is not Serializable. But in this context we go out of
// our way to ensure that the Type in question is either Class (which is serializable) or one of
// the nested Type implementations here (which are also serializable).
private static final class ParameterizedTypeImpl implements ParameterizedType, Serializable {
@SuppressWarnings("serial")
private final Type ownerType;
@SuppressWarnings("serial")
private final Type rawType;
@SuppressWarnings("serial")
private final Type[] typeArguments;
public ParameterizedTypeImpl(Type ownerType, Type rawType, Type... typeArguments) {
@ -564,6 +571,7 @@ public final class $Gson$Types {
}
private static final class GenericArrayTypeImpl implements GenericArrayType, Serializable {
@SuppressWarnings("serial")
private final Type componentType;
public GenericArrayTypeImpl(Type componentType) {
@ -598,7 +606,9 @@ public final class $Gson$Types {
* is set, the upper bound must be Object.class.
*/
private static final class WildcardTypeImpl implements WildcardType, Serializable {
@SuppressWarnings("serial")
private final Type upperBound;
@SuppressWarnings("serial")
private final Type lowerBound;
public WildcardTypeImpl(Type[] upperBounds, Type[] lowerBounds) {