eu.planetdata.srbench.oracle.configuration.Config.java Source code

Introduction

Here is the source code for eu.planetdata.srbench.oracle.configuration.Config.java

Source

/*******************************************************************************
 * Copyright 2013 Politecnico di Milano, Universidad Politcnica de Madrid
 * 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.
 *  
 * Authors: Daniele Dell'Aglio, Jean-Paul Calbimonte, Marco Balduini,
 *          Oscar Corcho, Emanuele Della Valle
 ******************************************************************************/
package eu.planetdata.srbench.oracle.configuration;

import java.io.File;
import java.io.InputStream;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import org.apache.commons.configuration.Configuration;
import org.apache.commons.configuration.ConfigurationException;
import org.apache.commons.configuration.PropertiesConfiguration;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import eu.planetdata.srbench.oracle.io.JsonConverter;
import eu.planetdata.srbench.oracle.query.ContinuousQuery;
import eu.planetdata.srbench.oracle.query.WindowDefinition;
import eu.planetdata.srbench.oracle.result.StreamProcessorOutput;
import eu.planetdata.srbench.oracle.result.StreamProcessorOutputBuilder.R2SOperator;
import eu.planetdata.srbench.oracle.s2r.ReportPolicy;

public class Config {
    private static Config _instance = null;
    private static final Logger logger = LoggerFactory.getLogger(Config.class);

    private Configuration config;
    private JsonConverter converter;

    private Config() {
        converter = new JsonConverter();
        try {
            config = new PropertiesConfiguration("setup.properties");
        } catch (ConfigurationException e) {
            logger.error("Error while reading the configuration file", e);
        }
    }

    public File getRepoDir() {
        String dir = config.getString("importer.repo.datadir");
        File ret = new File(dir);
        return ret;
    }

    public ContinuousQuery getQuery(String key) {
        ContinuousQuery ret = new ContinuousQuery();
        String output = config.getString(key + ".output");
        switch (output) {
        case "rstream":
            ret.setS2ROperator(R2SOperator.Rstream);
            break;
        case "istream":
            ret.setS2ROperator(R2SOperator.Istream);
            break;
        case "dstream":
            ret.setS2ROperator(R2SOperator.Dstream);
            break;
        default:
            ret.setS2ROperator(R2SOperator.Rstream);
        }
        ret.setBooleanQuery(config.getString(key + ".booleanquery"));
        ret.setWindowDefinition(
                new WindowDefinition(config.getLong(key + ".window.size"), config.getLong(key + ".window.slide")));
        ret.setFirstT0(config.getLong(key + ".window.firstt0"));
        ret.setStaticData(config.getBoolean(key + ".staticdata"));

        String answer = config.getString(key + ".answer");
        if (answer != null) {
            InputStream is = getClass().getClassLoader().getResourceAsStream(answer);
            StreamProcessorOutput result = converter.decodeJson(is);
            ret.setAnswer(result);
        }

        return ret;
    }

    public String[] getQuerySet() {
        return config.getStringArray("queryset");
    }

    public Long getTimeUnit() {
        return config.getLong("system.timeunit");
    }

    public Integer getInputStreamMaxTime() {
        return config.getInt("importer.data.maxtime");
    }

    public Long getInputStreamInterval() {
        return config.getLong("importer.data.interval");
    }

    public Set<String> getInputStreamHoles() {
        List<Object> holes = config.getList("importer.data.exclude");
        Set<String> ret = new HashSet<String>(holes.size());
        for (Object hole : holes)
            ret.add(hole.toString());
        return ret;
    }

    public ReportPolicy getPolicy() {
        ReportPolicy ret = new ReportPolicy();
        ret.setWindowClose(config.getBoolean("system.policy.windowclose"));
        ret.setNonEmptyContent(config.getBoolean("system.policy.nonemptycontent"));
        ret.setContentChange(config.getBoolean("system.policy.contentchange"));
        return ret;
    }

    public boolean getEmtpyRelationOutput() {
        return config.getBoolean("system.output.emptyrelation");
    }

    public static Config getInstance() {
        if (_instance == null)
            _instance = new Config();
        return _instance;
    }

}