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Split availability and counter end-points to separate handler files.
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Stefan Negrea
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Apr 20, 2015
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335 changes: 335 additions & 0 deletions
335
api/metrics-api-jaxrs/src/main/java/org/hawkular/metrics/api/jaxrs/AvailabilityHandler.java
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135 changes: 135 additions & 0 deletions
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api/metrics-api-jaxrs/src/main/java/org/hawkular/metrics/api/jaxrs/CounterHandler.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,135 @@ | ||
| /* | ||
| * Copyright 2014-2015 Red Hat, Inc. and/or its affiliates | ||
| * and other contributors as indicated by the @author tags. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * 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.hawkular.metrics.api.jaxrs; | ||
|
|
||
| import static javax.ws.rs.core.MediaType.APPLICATION_JSON; | ||
| import static org.hawkular.metrics.core.api.MetricsService.DEFAULT_TENANT_ID; | ||
|
|
||
| import java.util.Collection; | ||
| import java.util.Collections; | ||
| import java.util.List; | ||
|
|
||
| import javax.inject.Inject; | ||
| import javax.ws.rs.Consumes; | ||
| import javax.ws.rs.GET; | ||
| import javax.ws.rs.POST; | ||
| import javax.ws.rs.Path; | ||
| import javax.ws.rs.PathParam; | ||
| import javax.ws.rs.Produces; | ||
| import javax.ws.rs.container.AsyncResponse; | ||
| import javax.ws.rs.container.Suspended; | ||
| import javax.ws.rs.core.Response; | ||
|
|
||
| import org.hawkular.metrics.api.jaxrs.callback.NoDataCallback; | ||
| import org.hawkular.metrics.api.jaxrs.callback.SimpleDataCallback; | ||
| import org.hawkular.metrics.core.api.Counter; | ||
| import org.hawkular.metrics.core.api.MetricsService; | ||
|
|
||
| import com.google.common.util.concurrent.FutureCallback; | ||
| import com.google.common.util.concurrent.Futures; | ||
| import com.google.common.util.concurrent.ListenableFuture; | ||
| import com.wordnik.swagger.annotations.Api; | ||
| import com.wordnik.swagger.annotations.ApiOperation; | ||
|
|
||
| /** | ||
| * @author Stefan Negrea | ||
| * | ||
| */ | ||
| @Path("/") | ||
| @Consumes(APPLICATION_JSON) | ||
| @Produces(APPLICATION_JSON) | ||
| @Api(value = "", description = "Availability metrics interface") | ||
| public class CounterHandler { | ||
| @Inject | ||
| private MetricsService metricsService; | ||
|
|
||
| @POST | ||
| @Path("/{tenantId}/counters") | ||
| @ApiOperation(value = "List of counter definitions", hidden = true) | ||
| public void updateCountersForGroups(@Suspended final AsyncResponse asyncResponse, Collection<Counter> counters) { | ||
| ListenableFuture<Void> future = metricsService.updateCounters(counters); | ||
| Futures.addCallback(future, new NoDataCallback<>(asyncResponse)); | ||
| } | ||
|
|
||
| @POST | ||
| @Path("/{tenantId}/counters/{group}") | ||
| @ApiOperation(value = "Update multiple counters in a single counter group", hidden = true) | ||
| public void updateCounterForGroup(@Suspended final AsyncResponse asyncResponse, @PathParam("group") String group, | ||
| Collection<Counter> counters) { | ||
| for (Counter counter : counters) { | ||
| counter.setGroup(group); | ||
| } | ||
| ListenableFuture<Void> future = metricsService.updateCounters(counters); | ||
| Futures.addCallback(future, new NoDataCallback<>(asyncResponse)); | ||
| } | ||
|
|
||
| @POST | ||
| @Path("/{tenantId}/counters/{group}/{counter}") | ||
| @ApiOperation(value = "Increase value of a counter", hidden = true) | ||
| public void updateCounter(@Suspended final AsyncResponse asyncResponse, @PathParam("group") String group, | ||
| @PathParam("counter") String counter) { | ||
| ListenableFuture<Void> future = metricsService | ||
| .updateCounter(new Counter(DEFAULT_TENANT_ID, group, counter, 1L)); | ||
| Futures.addCallback(future, new NoDataCallback<>(asyncResponse)); | ||
| } | ||
|
|
||
| @POST | ||
| @Path("/{tenantId}/counters/{group}/{counter}/{value}") | ||
| @ApiOperation(value = "Update value of a counter", hidden = true) | ||
| public void updateCounter(@Suspended final AsyncResponse asyncResponse, @PathParam("group") String group, | ||
| @PathParam("counter") String counter, @PathParam("value") Long value) { | ||
| ListenableFuture<Void> future = metricsService.updateCounter(new Counter(DEFAULT_TENANT_ID, group, counter, | ||
| value)); | ||
| Futures.addCallback(future, new NoDataCallback<>(asyncResponse)); | ||
| } | ||
|
|
||
| @GET | ||
| @Path("/{tenantId}/counters/{group}") | ||
| @ApiOperation(value = "Retrieve a list of counter values in this group", hidden = true, | ||
| response = Counter.class, responseContainer = "List") | ||
| @Produces({ APPLICATION_JSON }) | ||
| public void getCountersForGroup(@Suspended final AsyncResponse asyncResponse, @PathParam("group") String group) { | ||
| ListenableFuture<List<Counter>> future = metricsService.findCounters(group); | ||
| Futures.addCallback(future, new SimpleDataCallback<>(asyncResponse)); | ||
| } | ||
|
|
||
| @GET | ||
| @Path("/{tenantId}/counters/{group}/{counter}") | ||
| @ApiOperation(value = "Retrieve value of a counter", hidden = true, | ||
| response = Counter.class, responseContainer = "List") | ||
| public void getCounter(@Suspended final AsyncResponse asyncResponse, @PathParam("group") final String group, | ||
| @PathParam("counter") final String counter) { | ||
| ListenableFuture<List<Counter>> future = metricsService.findCounters(group, Collections.singletonList(counter)); | ||
| Futures.addCallback(future, new FutureCallback<List<Counter>>() { | ||
| @Override | ||
| public void onSuccess(List<Counter> counters) { | ||
| if (counters.isEmpty()) { | ||
| asyncResponse.resume(Response.status(404) | ||
| .entity("Counter[group: " + group + ", name: " + counter + "] not found").build()); | ||
| } else { | ||
| Response jaxrs = Response.ok(counters.get(0)).build(); | ||
| asyncResponse.resume(jaxrs); | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| public void onFailure(Throwable t) { | ||
| asyncResponse.resume(t); | ||
| } | ||
| }); | ||
| } | ||
| } |
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