Use Microprofile BOM/POM #41
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| /* | ||
| * Copyright (c) 2017 Contributors to the Eclipse Foundation | ||
| * | ||
| * See the NOTICE file(s) distributed with this work for additional | ||
| * information regarding copyright ownership. | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or | ||
| * implied. | ||
| * | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package org.eclipse.microprofile.sample.canonical.rest; | ||
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| import javax.enterprise.context.RequestScoped; | ||
| import javax.inject.Inject; | ||
| import javax.ws.rs.GET; | ||
| import javax.ws.rs.Path; | ||
| import javax.ws.rs.Produces; | ||
| import javax.ws.rs.core.MediaType; | ||
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| import org.eclipse.microprofile.health.HealthCheckResponse; | ||
| import org.eclipse.microprofile.sample.canonical.utils.QLogger; | ||
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| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import java.util.Random; | ||
| import java.util.logging.Logger; | ||
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| @Path("/health") | ||
| @RequestScoped | ||
| public class HealthEndpoint { | ||
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| @Inject | ||
| @QLogger | ||
| private Logger logger; | ||
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| @GET | ||
| @Produces(MediaType.APPLICATION_JSON) | ||
| public String getHealthStatus() { | ||
| final String NAME = "CDs"; | ||
| HealthCheckResponse response; | ||
| final List<Integer> randomCDs = getRandomNumbers(); | ||
| if (randomCDs.size() > 0) { | ||
| response = HealthCheckResponse.named(NAME).up().build(); | ||
| } else { | ||
| response = HealthCheckResponse.named(NAME).down().build(); | ||
| } | ||
| return response.toString(); | ||
| } | ||
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| private List<Integer> getRandomNumbers() { | ||
| final List<Integer> randomCDs = new ArrayList<>(); | ||
| final Random r = new Random(); | ||
| for (int i=0; i < r.nextInt(); i++) { | ||
| randomCDs.add(i + 1101); | ||
| } | ||
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| logger.info("Top CDs are " + randomCDs); | ||
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| return randomCDs; | ||
| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,138 @@ | ||
| /* | ||
| * Copyright (c) 2017 Contributors to the Eclipse Foundation | ||
| * | ||
| * See the NOTICE file(s) distributed with this work for additional | ||
| * information regarding copyright ownership. | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or | ||
| * implied. | ||
| * | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package org.eclipse.microprofile.sample.canonical.utils; | ||
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| import java.util.HashMap; | ||
| import java.util.Map; | ||
| import java.util.Optional; | ||
| import java.util.concurrent.ConcurrentHashMap; | ||
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| import org.eclipse.microprofile.health.HealthCheckResponse; | ||
| import org.eclipse.microprofile.health.HealthCheckResponseBuilder; | ||
| import org.eclipse.microprofile.health.spi.HealthCheckResponseProvider; | ||
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| /** | ||
| * @author Werner Keil | ||
| */ | ||
| public class CanonicalHealthCheckResponseProvider implements HealthCheckResponseProvider{ | ||
|
There was a problem hiding this comment. I prefer the app does not implement the spi but use application server's implementation, e.g. Open Liberty etc. Application should only provide the HealthCheckResponse. One of the benefits of MP programming model is to make app development a lot easier. |
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| @Override | ||
| public HealthCheckResponseBuilder createResponseBuilder() { | ||
| return new ResponseBuilder(); | ||
| } | ||
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| private static class ResponseBuilder extends HealthCheckResponseBuilder { | ||
| private String name; | ||
| private boolean state; | ||
| private Map<String, Object> data = new ConcurrentHashMap<>(); | ||
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| @Override | ||
| public HealthCheckResponseBuilder name(String name) { | ||
| this.name = name; | ||
| return this; | ||
| } | ||
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| @Override | ||
| public HealthCheckResponseBuilder withData(String key, String value) { | ||
| data.put(key, value); | ||
| return this; | ||
| } | ||
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| @Override | ||
| public HealthCheckResponseBuilder withData(String key, long value) { | ||
| data.put(key, value); | ||
| return this; | ||
| } | ||
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| @Override | ||
| public HealthCheckResponseBuilder withData(String key, boolean value) { | ||
| data.put(key, value); | ||
| return this; | ||
| } | ||
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| @Override | ||
| public HealthCheckResponseBuilder up() { | ||
| return state(true); | ||
| } | ||
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| @Override | ||
| public HealthCheckResponseBuilder down() { | ||
| return state(false); | ||
| } | ||
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| @Override | ||
| public HealthCheckResponseBuilder state(boolean up) { | ||
| this.state = up; | ||
| return this; | ||
| } | ||
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| @Override | ||
| public HealthCheckResponse build() { | ||
| return new Response(this.name, this.state, this.data); | ||
| } | ||
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| private class Response extends HealthCheckResponse { | ||
| private final String name; | ||
| private final boolean up; | ||
| private final Map<String, Object> data; | ||
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| public Response(String name, boolean up, Map<String, Object> map) { | ||
| this.name = name; | ||
| this.up = up; | ||
| this.data = setData(map); | ||
| } | ||
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| @Override | ||
| public String toString() { | ||
| return "Response [" + name + "=" + getState() + | ||
| (data!= null ? ", data=" + data : "") + "]"; | ||
| } | ||
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| private Map<String,Object> setData(Map<String, Object> map) { | ||
| if (map.isEmpty()) { | ||
| return null; | ||
| } | ||
| Map<String, Object> data = new HashMap<>(); | ||
| for (String key : map.keySet()) { | ||
| final Object modelValue = map.get(key); | ||
| final Object value; | ||
| if (modelValue instanceof Long) { | ||
| value = ((Long)modelValue).longValue(); | ||
| } else { | ||
| value = modelValue; | ||
| } | ||
| data.put(key, value); | ||
| } | ||
| return data; | ||
| } | ||
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| @Override | ||
| public String getName() { | ||
| return name; | ||
| } | ||
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| @Override | ||
| public State getState() { | ||
| return up ? State.UP : State.DOWN; | ||
| } | ||
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| @Override | ||
| public Optional<Map<String, Object>> getData() { | ||
| return Optional.ofNullable(data); | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| org.eclipse.microprofile.sample.canonical.utils.CanonicalHealthCheckResponseProvider |
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I don't think you want this either according to what @Emily-Jiang wrote, but rather just provide an
@Healthmethod as e.g. shown in https://github.com/pilhuhn/microprofile-demo/blob/master/src/main/java/de/bsd/microprofiledemo/rest/HealthDemo.java#L29-L37There was a problem hiding this comment.
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The above example looks vendor-neutral as opposed to what @Emily-Jiang suggested sounded a bit more like abandoning a vendor-neutral Eclipse example altogether in favor of examples by OpenLiberty, Wildfly, Kumuluz, etc. ?;-O