ServiceReferenceImpl.java

/**
 * Copyright (c) Codice Foundation
 * <p>
 * This is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser
 * General Public License as published by the Free Software Foundation, either version 3 of the
 * License, or any later version.
 * <p>
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
 * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details. A copy of the GNU Lesser General Public License
 * is distributed along with this program and can be found at
 * <http://www.gnu.org/licenses/lgpl.html>.
 */
package ddf.catalog.util.impl;

import java.util.HashMap;
import java.util.Map;

import org.osgi.framework.Bundle;
import org.osgi.framework.Constants;
import org.osgi.framework.ServiceReference;

public class ServiceReferenceImpl implements ServiceReference {

    Map<String, Object> map = new HashMap<String, Object>();

    public ServiceReferenceImpl(int i) {

        map.put(Constants.SERVICE_RANKING, i);
    }

    @Override
    public Object getProperty(String key) {
        return map.get(key);
    }

    @Override
    public String[] getPropertyKeys() {
        return null;
    }

    @Override
    public Bundle getBundle() {
        return null;
    }

    @Override
    public Bundle[] getUsingBundles() {
        return null;
    }

    @Override
    public boolean isAssignableTo(Bundle bundle, String className) {
        return false;
    }

    @Override
    public int compareTo(Object other) {

        ServiceReference otherServiceReference = (ServiceReference) other;

        int otherRanking = (Integer) otherServiceReference.getProperty(Constants.SERVICE_RANKING);

        int thisRanking = (Integer) map.get(Constants.SERVICE_RANKING);
        if (otherRanking != thisRanking) {
            if (thisRanking < otherRanking) {
                return -1;
            }
            return 1;
        }

        // check ids, then it is the same serviceReference

        return 0;
    }

}