org.apache.ambari.view.web.service.PackageServiceImpl.java Source code

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Here is the source code for org.apache.ambari.view.web.service.PackageServiceImpl.java

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/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * 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.ambari.view.web.service;

import lombok.extern.slf4j.Slf4j;
import org.apache.ambari.view.internal.config.ApplicationConfig;
import org.apache.ambari.view.web.model.entity.Deployment;
import org.apache.ambari.view.web.model.entity.Package;
import org.apache.ambari.view.web.model.entity.PackageVersion;
import org.apache.ambari.view.web.model.repository.DeploymentRepository;
import org.apache.ambari.view.web.model.repository.PackageRepository;
import org.apache.ambari.view.web.model.repository.PackageVersionRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import javax.transaction.Transactional;
import java.util.List;
import java.util.Optional;

/**
 *
 */
@Service
@Slf4j
public class PackageServiceImpl implements PackageService {
    private final PackageRepository packageRepository;
    private final PackageVersionRepository packageVersionRepository;
    private final DeploymentRepository deploymentRepository;

    @Autowired
    public PackageServiceImpl(PackageRepository packageRepository,
            PackageVersionRepository packageVersionRepository, DeploymentRepository deploymentRepository) {
        this.packageRepository = packageRepository;
        this.packageVersionRepository = packageVersionRepository;
        this.deploymentRepository = deploymentRepository;
    }

    @Override
    public List<Package> getPackagesLike(String like) {
        return packageRepository.findByNameLike(like);
    }

    @Override
    public Optional<Package> getPackage(Long id) {
        return Optional.ofNullable(packageRepository.findOne(id));
    }

    @Override
    public Optional<PackageVersion> getVersion(Long versionId) {
        return Optional.ofNullable(packageVersionRepository.findOne(versionId));
    }

    @Override
    public Optional<ApplicationConfig> getApplicationConfig(Long versionId) {
        PackageVersion version = packageVersionRepository.findOne(versionId);
        if (version == null)
            return Optional.empty();
        return Optional.ofNullable(version.getConfig());
    }

    @Override
    @Transactional
    public Deployment deployPackageVersion(Long versionId) {
        PackageVersion version = packageVersionRepository.findOne(versionId);
        if (version == null) {
            log.error("No package version found to deploy with version id: {}", versionId);
            throw new RuntimeException("No package version found for version id: " + versionId);
        }

        Deployment deployment = deploymentRepository.findByPackageVersion(version);

        if (deployment != null) {
            log.error("Deployment with the same package version with id: '{}' already exists", versionId);
            throw new RuntimeException(
                    "Deployment with the same package version with id: '" + versionId + "' already exists.");
        }
        deployment = new Deployment();
        deployment.setPackageVersion(version);
        deployment.setName(version.getConfig().getLabel() + " # " + version.getVersion());
        return deploymentRepository.save(deployment);
    }
}