Update README.md
Project: http://git-wip-us.apache.org/repos/asf/tomee/repo Commit: http://git-wip-us.apache.org/repos/asf/tomee/commit/61008108 Tree: http://git-wip-us.apache.org/repos/asf/tomee/tree/61008108 Diff: http://git-wip-us.apache.org/repos/asf/tomee/diff/61008108 Branch: refs/heads/master Commit: 6100810883929db6023903e4afbdf9ec90cbfd6a Parents: 0febf05 Author: Daniel Cunha (soro) <daniels...@apache.org> Authored: Fri Dec 7 15:58:18 2018 -0300 Committer: Roberto Cortez <radcor...@yahoo.com> Committed: Tue Dec 11 00:31:53 2018 +0000 ---------------------------------------------------------------------- examples/mp-config-example/README.md | 46 +++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/tomee/blob/61008108/examples/mp-config-example/README.md ---------------------------------------------------------------------- diff --git a/examples/mp-config-example/README.md b/examples/mp-config-example/README.md index e69de29..b7bccc9 100644 --- a/examples/mp-config-example/README.md +++ b/examples/mp-config-example/README.md @@ -0,0 +1,46 @@ +# Microprofile Config +This is an example on how to use microprofile config in TomEE. + +##### Run the application: + + mvn clean install tomee:run + +Within the application there is an three way to inject values using config + +##### For the ConfigProperty with default value call: + + GET http://localhost:8080/mp-config-example/sample/defaultProperty + +##### For the get property inject with ConfigProperty call: + + GET http://localhost:8080/mp-config-example/sample/injectedJavaVersion + +##### For the get property from Config with getValue call: + + GET http://localhost:8080/mp-config-example/sample/javaVersion + +##### Config Feature + +MicroProfile Config is a solution to externalise configuration from microservices. +Each individual property can be injected directly + + @Inject + @ConfigProperty(name = "java.runtime.version") + private String javaVersion; + +You can also set a default value for it, case the config does not match the property in the context it will use the default value + + @Inject + @ConfigProperty(name = "defaultProperty", defaultValue = "ALOHA") + private String defaultProperty; + +The config object can also be injected. Then use the getValue() method to retrieve the individual property. + + @Inject + private Config config; + + @GET + @Path("javaVersion") + public String getJavaVersionPropertyFromSystemProperties() { + return config.getValue("java.runtime.version", String.class); + } \ No newline at end of file
