it.reply.orchestrator.service.commands.GetProvidersRank.java Source code

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Here is the source code for it.reply.orchestrator.service.commands.GetProvidersRank.java

Source

package it.reply.orchestrator.service.commands;

/*
 * Copyright  2015-2017 Santer Reply S.p.A.
 *
 * 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.
 */

import com.google.common.collect.Lists;

import it.reply.orchestrator.dto.RankCloudProvidersMessage;
import it.reply.orchestrator.dto.ranker.CloudProviderRankerRequest;
import it.reply.orchestrator.dto.ranker.Monitoring;
import it.reply.orchestrator.dto.slam.PreferenceCustomer;
import it.reply.orchestrator.service.CloudProviderRankerService;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import java.util.List;
import java.util.stream.Collectors;

@Component
public class GetProvidersRank extends BaseRankCloudProvidersCommand {

    @Autowired
    private CloudProviderRankerService cloudProviderRankerService;

    @Override
    protected RankCloudProvidersMessage customExecute(RankCloudProvidersMessage rankCloudProvidersMessage) {

        if (rankCloudProvidersMessage.getCloudProviders().isEmpty()) {
            // nothing to rank
            return rankCloudProvidersMessage;
        }
        // Prepare Ranker's request
        List<Monitoring> monitoring = rankCloudProvidersMessage.getCloudProvidersMonitoringData().entrySet()
                .stream().map(e -> new Monitoring(e.getKey(), e.getValue())).collect(Collectors.toList());

        List<PreferenceCustomer> preferences = Lists.newArrayList();
        if (!rankCloudProvidersMessage.getSlamPreferences().getPreferences().isEmpty()) {
            preferences = rankCloudProvidersMessage.getSlamPreferences().getPreferences().get(0).getPreferences();
        }
        CloudProviderRankerRequest cprr = new CloudProviderRankerRequest().withPreferences(preferences)
                .withSla(rankCloudProvidersMessage.getSlamPreferences().getSla()).withMonitoring(monitoring);

        // Get provider rank and save in message
        rankCloudProvidersMessage.setRankedCloudProviders(cloudProviderRankerService.getProviderRanking(cprr));

        return rankCloudProvidersMessage;
    }

    @Override
    protected String getErrorMessagePrefix() {
        return "Error retrieving info from Cloud Provider Ranker";
    }
}