org.ossmeter.platform.AbstractHistoricalMetricProvider.java Source code

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Here is the source code for org.ossmeter.platform.AbstractHistoricalMetricProvider.java

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/*******************************************************************************
 * Copyright (c) 2014 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.ossmeter.platform;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import org.ossmeter.repository.model.Project;

import com.googlecode.pongo.runtime.Pongo;
import com.googlecode.pongo.runtime.PongoFactory;
import com.mongodb.BasicDBObject;
import com.mongodb.DB;
import com.mongodb.DBCollection;
import com.mongodb.DBObject;
import com.mongodb.QueryBuilder;

public abstract class AbstractHistoricalMetricProvider implements IHistoricalMetricProvider {

    final public String getCollectionName() {
        return this.getIdentifier().replace("org.ossmeter.metricprovider.", "");
    }

    public List<Pongo> getHistoricalMeasurements(MetricProviderContext context, Project project, Date start,
            Date end) {

        DB db = context.getProjectDB(project);
        DBCollection collection = db.getCollection(this.getCollectionName());

        QueryBuilder builder = QueryBuilder.start();
        if (start != null) {
            builder.and("__datetime").greaterThanEquals(start.toJavaDate());
        }
        if (end != null) {
            builder.and("__datetime").lessThanEquals(end.toJavaDate());
        }

        BasicDBObject query = (BasicDBObject) builder.get();

        Iterator<DBObject> it = collection.find(query).iterator();

        List<Pongo> pongoList = new ArrayList<Pongo>();

        while (it.hasNext()) {
            DBObject dbObject = it.next();
            pongoList.add(PongoFactory.getInstance().createPongo(dbObject));
        }

        return pongoList;

    }
}