/*
*
* Copyright 2015 Netflix, Inc.
*
* 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 com.netflix.genie.web.hateoas.assemblers;
import com.netflix.genie.common.dto.Cluster;
import com.netflix.genie.common.exceptions.GenieException;
import com.netflix.genie.web.controllers.ClusterRestController;
import com.netflix.genie.web.hateoas.resources.ClusterResource;
import org.springframework.hateoas.ResourceAssembler;
import org.springframework.hateoas.mvc.ControllerLinkBuilder;
import org.springframework.stereotype.Component;
/**
* Assembles Cluster resources out of clusters.
*
* @author tgianos
* @since 3.0.0
*/
@Component
public class ClusterResourceAssembler implements ResourceAssembler<Cluster, ClusterResource> {
/**
* {@inheritDoc}
*/
@Override
public ClusterResource toResource(final Cluster cluster) {
final String id = cluster.getId().orElseThrow(IllegalArgumentException::new);
final ClusterResource clusterResource = new ClusterResource(cluster);
try {
clusterResource.add(
ControllerLinkBuilder.linkTo(
ControllerLinkBuilder
.methodOn(ClusterRestController.class)
.getCluster(id)
).withSelfRel()
);
clusterResource.add(
ControllerLinkBuilder.linkTo(
ControllerLinkBuilder
.methodOn(ClusterRestController.class)
.getCommandsForCluster(id, null)
).withRel("commands")
);
} catch (final GenieException ge) {
// If we can't convert it we might as well force a server exception
throw new RuntimeException(ge);
}
return clusterResource;
}
}