PetStoreStatistics.java

package org.bigtop.bigpetstore.contract;

import java.util.Map;

/**
 * This is the contract for the web site. This object is created by each ETL
 * tool : Summary stats.
 */
public abstract class PetStoreStatistics {

    public abstract Map<String, ? extends Number> numberOfTransactionsByState()
            throws Exception;

    public abstract Map<String, ? extends Number> numberOfProductsByProduct()
            throws Exception;

}