Supported data types for events

[Philippe Marschall]

On 15.04.19 11:19, Erik Gahlin wrote:
> Hi Philippe,
>
> The supported data types in Java are primitives, java.lang.Class, java.lang.Thread and java.lang.String. You can see the list in the toType method here
>
> http://hg.openjdk.java.net/jdk/jdk/file/tip/src/jdk.jfr/share/classes/jdk/jfr/internal/ASMToolkit.java
>
> You can't use JSR-310 types, but it is possible to store durations and instants using the annotations @Timespan and @Timestamp on numeric fields.

> In native, arrays are supported and it is possible to define you own composite data types, for example VirtualSpace You can see the list here:
> http://hg.openjdk.java.net/jdk/jdk/file/tip/src/hotspot/share/jfr/metadata/metadata.xml
>
> The file format only support “value types”, so it is not possible to store an array with different data types per element.

Awesome thank you.

Cheers
Philippe