org.xlcloud.service.impl.VirtualClusterDefinitionsImpl.java Source code

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Here is the source code for org.xlcloud.service.impl.VirtualClusterDefinitionsImpl.java

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/*
 * Copyright 2012 AMG.lab, a Bull Group Company
 * 
 * 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.xlcloud.service.impl;

import static org.xlcloud.validation.Validations.validateThat;

import java.util.HashSet;
import java.util.List;
import java.util.Set;

import javax.inject.Inject;

import org.apache.commons.lang.StringUtils;
import org.apache.commons.lang.builder.ToStringBuilder;
import org.apache.log4j.Logger;

import org.xlcloud.service.CatalogScopeType;
import org.xlcloud.service.VirtualClusterDefinition;
import org.xlcloud.service.VirtualClusterDefinitions;
import org.xlcloud.service.api.VirtualClusterDefinitionsApi;
import org.xlcloud.service.exception.VcmsException;
import org.xlcloud.service.exception.VcmsObjectNotFoundException;
import org.xlcloud.service.exception.VcmsValidationException;
import org.xlcloud.service.manager.ApplicationsManager;
import org.xlcloud.service.manager.VcbsManager;
import org.xlcloud.service.manager.VirtualClusterDefinitionsManager;

/**
 * TODO [tadamcze] documentation
 * 
 * @author Andrzej Stasiak, AMG.net
 * @author Piotr Kulasek-Szwed, AMG.net
 */
public class VirtualClusterDefinitionsImpl implements VirtualClusterDefinitionsApi {

    private static final Logger LOG = Logger.getLogger(VirtualClusterDefinitionsImpl.class);

    @Inject
    private ApplicationsManager applicationsManager;

    @Inject
    private VirtualClusterDefinitionsManager vcDefsManager;

    @Inject
    private VcbsManager vcbsManager;

    /** {@inheritDoc} */
    @Override
    public VirtualClusterDefinitions list(List<Long> appIds, String type, List<String> tags) {
        if (!appIds.isEmpty()) {
            return getVirtualClusterDefinitionsForApps(appIds);
        }
        if (StringUtils.isNotBlank(type)) {
            return getVirtualClusterDefinitionsForTypeAndTags(type, tags);
        }

        return vcDefsManager.listPublic();
    }

    /** {@inheritDoc} */
    @Override
    public VirtualClusterDefinition get(Long id) {
        return vcDefsManager.get(id);
    }

    /** {@inheritDoc} */
    @Override
    public VirtualClusterDefinition validate(VirtualClusterDefinition definition) throws VcmsValidationException {
        definition.setTemplate(vcbsManager.validateTemplate(definition.getTemplate()));
        return definition;
    }

    /** {@inheritDoc} */
    @Override
    public VirtualClusterDefinition create(VirtualClusterDefinition definition)
            throws VcmsValidationException, VcmsException {
        validateDefinition(definition);

        // accountId should not be set
        definition.setAccountId(null);

        if (definition.getCatalogScope() == null) {
            definition.setCatalogScope(CatalogScopeType.PUBLIC);
        } else if (!CatalogScopeType.PUBLIC.equals(definition.getCatalogScope())) {
            throw new VcmsValidationException("Catalog Scope exception",
                    "During register of public virtual cluster definition catalog scope cannot be set to: "
                            + definition.getCatalogScope().value());
        }

        return vcDefsManager.create(definition);
    }

    /** {@inheritDoc} */
    @Override
    public void remove(Long id) {
        vcDefsManager.remove(id);
    }

    /** {@inheritDoc} */
    @Override
    public VirtualClusterDefinition update(Long id, VirtualClusterDefinition definition)
            throws VcmsObjectNotFoundException, VcmsValidationException {
        validateThat(id).as("id").isNotNull();
        validateDefinition(definition);

        return vcDefsManager.update(id, definition);
    }

    private VirtualClusterDefinitions getVirtualClusterDefinitionsForApps(List<Long> appIds) {
        LOG.info("Getting VirtualClusterDefinition for applications: [ "
                + ToStringBuilder.reflectionToString(appIds) + " ]");
        Set<String> tags = applicationsManager.getTagsForApplications(new HashSet<Long>(appIds));
        String type = applicationsManager.getCommonTypeForApplications(new HashSet<Long>(appIds));
        return vcDefsManager.listPublicByTypeAndTags(type, tags);
    }

    private VirtualClusterDefinitions getVirtualClusterDefinitionsForTypeAndTags(String type, List<String> tags) {
        LOG.info("Getting VirtualClusterDefinition by type: [ " + type + " ], and tags: [ "
                + ToStringBuilder.reflectionToString(tags) + " ].");
        return vcDefsManager.listPublicByTypeAndTags(type, new HashSet<String>(tags));
    }

    private void validateDefinition(VirtualClusterDefinition definition) {
        ModelValidator.validateVirtualClusterDefinition(definition);
        ModelValidator.validateParameters(definition.getTemplate().getParameters());
    }
}