org.apache.aurora.scheduler.http.Tiers.java Source code

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Here is the source code for org.apache.aurora.scheduler.http.Tiers.java

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/**
 * 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.apache.aurora.scheduler.http;

import java.util.Objects;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;

import com.google.common.collect.ImmutableMap;
import com.google.inject.Inject;

import org.apache.aurora.scheduler.TierManager;

/*
 * HTTP interface that exposes tier configurations of scheduler.
 */
@Path("/tiers")
public class Tiers {

    private final TierManager tierManager;

    @Inject
    Tiers(TierManager tierManager) {
        this.tierManager = Objects.requireNonNull(tierManager);
    }

    /**
     * Dumps tier configuration file (tiers.json).
     *
     * @return HTTP response.
     */
    @GET
    @Produces(MediaType.APPLICATION_JSON)
    public Response getTiers() {
        ImmutableMap<String, Object> tierConfigurations = ImmutableMap.of("default",
                tierManager.getDefaultTierName(), "tiers", tierManager.getTiers());
        return Response.ok(tierConfigurations).build();
    }
}