io.atomix.rest.resources.AtomicCounterResource Maven / Gradle / Ivy
/*
* Copyright 2017-present Open Networking Foundation
*
* 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 io.atomix.rest.resources;
import io.atomix.core.counter.AsyncAtomicCounter;
import io.atomix.core.counter.AtomicCounterConfig;
import io.atomix.core.counter.AtomicCounterType;
import io.atomix.rest.AtomixResource;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.ws.rs.Consumes;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.PUT;
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.MediaType;
import javax.ws.rs.core.Response;
/**
* Atomic counter resource.
*/
@AtomixResource
@Path("/atomic-counter")
public class AtomicCounterResource extends PrimitiveResource {
private static final Logger LOGGER = LoggerFactory.getLogger(AtomicCounterResource.class);
public AtomicCounterResource() {
super(AtomicCounterType.instance());
}
@GET
@Path("/{name}")
@Produces(MediaType.APPLICATION_JSON)
public void get(
@PathParam("name") String name,
@Suspended AsyncResponse response) {
getPrimitive(name).thenCompose(counter -> counter.get()).whenComplete((result, error) -> {
if (error == null) {
response.resume(Response.ok(result).build());
} else {
LOGGER.warn("{}", error);
response.resume(Response.serverError().build());
}
});
}
@PUT
@Path("/{name}")
@Consumes(MediaType.TEXT_PLAIN)
public void set(
@PathParam("name") String name,
Long value,
@Suspended AsyncResponse response) {
getPrimitive(name).thenCompose(counter -> counter.set(value)).whenComplete((result, error) -> {
if (error == null) {
response.resume(Response.ok().build());
} else {
LOGGER.warn("{}", error);
response.resume(Response.serverError().build());
}
});
}
@POST
@Path("/{name}/inc")
@Produces(MediaType.APPLICATION_JSON)
public void incrementAndGet(
@PathParam("name") String name,
@Suspended AsyncResponse response) {
getPrimitive(name).thenCompose(counter -> counter.incrementAndGet()).whenComplete((result, error) -> {
if (error == null) {
response.resume(Response.ok(result).build());
} else {
LOGGER.warn("{}", error);
response.resume(Response.serverError().build());
}
});
}
}