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Commit 1d49f110 authored by Max Kellermann's avatar Max Kellermann
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java/Ref: allow LocalRef to be nullable

Makes using the Java glue classes simpler to use, at the cost of very little overhead.
parent 791245de
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Showing with 6 additions and 2 deletions
src/java/Ref.hxx
View file @ 1d49f110
...@@ -47,13 +47,13 @@ namespace Java { ...@@ -47,13 +47,13 @@ namespace Java {
public: public:
/** /**
* The local reference is obtained by the caller. * The local reference is obtained by the caller. May
* be nullptr.
*/ */
LocalRef(JNIEnv *_env, T _value) noexcept LocalRef(JNIEnv *_env, T _value) noexcept
:env(_env), value(_value) :env(_env), value(_value)
{ {
assert(env != nullptr); assert(env != nullptr);
assert(value != nullptr);
} }
~LocalRef() noexcept { ~LocalRef() noexcept {
...@@ -67,6 +67,10 @@ namespace Java { ...@@ -67,6 +67,10 @@ namespace Java {
return env; return env;
} }
operator bool() const noexcept {
return value != nullptr;
}
T Get() const noexcept { T Get() const noexcept {
return value; return value;
} }
......
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