RunnerDao.java

/*
 * 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
 *
 *  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.usergrid.chop.webapp.dao;

import com.google.inject.Inject;
import org.apache.usergrid.chop.api.Runner;
import org.apache.usergrid.chop.webapp.dao.model.BasicRunner;
import org.apache.usergrid.chop.webapp.dao.model.RunnerGroup;
import org.apache.usergrid.chop.webapp.elasticsearch.IElasticSearchClient;
import org.apache.usergrid.chop.webapp.elasticsearch.Util;
import org.elasticsearch.action.delete.DeleteResponse;
import org.elasticsearch.action.index.IndexResponse;
import org.elasticsearch.action.search.SearchResponse;
import org.elasticsearch.search.SearchHit;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import static org.elasticsearch.common.xcontent.XContentFactory.jsonBuilder;
import static org.elasticsearch.index.query.QueryBuilders.termQuery;

public class RunnerDao extends Dao {

    public static final String DAO_INDEX_KEY = "runners";
    public static final String DAO_TYPE_KEY = "runner";


    @Inject
    public RunnerDao(IElasticSearchClient elasticSearchClient) {
        super(elasticSearchClient);
    }

    public boolean save(Runner runner, String user, String commitId, String moduleId) throws Exception {

        String groupId = new RunnerGroup(user, commitId, moduleId).getId();

        IndexResponse response = elasticSearchClient.getClient()
                .prepareIndex(DAO_INDEX_KEY, DAO_TYPE_KEY, runner.getUrl())
                .setRefresh(true)
                .setSource(
                        jsonBuilder()
                                .startObject()
                                .field("groupId", groupId)
                                .field("ipv4Address", runner.getIpv4Address())
                                .field("hostname", runner.getHostname())
                                .field("serverPort", runner.getServerPort())
                                .field("url", runner.getUrl())
                                .field("tempDir", runner.getTempDir())
                                .field("user", user)
                                .field("commitId", commitId)
                                .field("moduleId", moduleId)
                                .endObject()
                )
                .execute()
                .actionGet();

        return response.isCreated();
    }


    public List<Runner> getRunners(String user, String commitId, String moduleId) {

        String groupId = new RunnerGroup(user, commitId, moduleId).getId();

        SearchResponse response = getRequest(DAO_INDEX_KEY, DAO_TYPE_KEY)
                .setQuery(termQuery("groupId", groupId))
                .execute()
                .actionGet();

        ArrayList<Runner> runners = new ArrayList<Runner>();

        for (SearchHit hit : response.getHits().hits()) {
            runners.add(toRunner(hit));
        }

        return runners;
    }


    /**
     * Returns collections of runners grouped by groupId
     */
    public Map<RunnerGroup, List<Runner>> getRunnersGrouped() {

        SearchResponse response = getRequest(DAO_INDEX_KEY, DAO_TYPE_KEY)
                .execute()
                .actionGet();

        LOG.debug("response: {}", response);

        HashMap<RunnerGroup, List<Runner>> runnerGroups = new HashMap<RunnerGroup, List<Runner>>();

        for (SearchHit hit : response.getHits().hits()) {

            RunnerGroup group = getGroup(hit);
            if (group.isNull()) {
                continue;
            }

            List<Runner> runners = runnerGroups.get(group);

            if (runners == null) {
                runners = new ArrayList<Runner>();
                runnerGroups.put(group, runners);
            }

            runners.add(toRunner(hit));
        }

        return runnerGroups;
    }

    /**
     * Returns a runner group from the search
     */
    private static RunnerGroup getGroup(SearchHit hit) {
        Map<String, Object> json = hit.getSource();

        return new RunnerGroup(
                Util.getString(json, "user"),
                Util.getString(json, "commitId"),
                Util.getString(json, "moduleId")
        );
    }


    public boolean delete(String runnerUrl) {

        DeleteResponse response = elasticSearchClient.getClient()
                .prepareDelete(DAO_INDEX_KEY, DAO_TYPE_KEY, runnerUrl)
                .setRefresh(true)
                .execute()
                .actionGet();

        return response.isFound();
    }


    private static Runner toRunner(SearchHit hit) {

        Map<String, Object> json = hit.getSource();

        return new BasicRunner(
                Util.getString(json, "ipv4Address"),
                Util.getString(json, "hostname"),
                Util.getInt(json, "serverPort"),
                Util.getString(json, "url"),
                Util.getString(json, "tempDir")
        );
    }

}