ComputeInterestingnessOfActivityStrategy.java

/*
 * Copyright (c) 2010 Lockheed Martin Corporation
 *
 * 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.eurekastreams.server.search.bridge.strategies;

import org.eurekastreams.server.domain.stream.Activity;

/**
 * Computes how interesting an activity is, expressed as a Long.
 */
public interface ComputeInterestingnessOfActivityStrategy
{
    /**
     * Calculate the interestingness.
     * 
     * @param activity
     *            the activity.
     * @return the interestingness.
     */
    Long computeInterestingness(Activity activity);
}