/**
 * This work was created by participants in the DataONE project, and is
 * jointly copyrighted by participating institutions in DataONE. For
 * more information on DataONE, see our web site at http://dataone.org.
 *
 *   Copyright ${year}
 *
 * 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.dataone.cn.log;

public interface AuditLogQueryClient {

    /**
     * Query the audit log datastore by query string.  Provides paging/slicing control parameters.
     * 
     * @param query
     * @param start
     * @param rows
     * @return - raw query response from datastore.  Needs better encapsulation.
     */
    public String queryLog(String query, Integer start, Integer rows);

    /**
     * Query the audit log datastore by AuditLogEntry instance.
     * An intersection query is built using pid, nodeId, event object
     * contained in logEntry instance, however the timestamp contained
     *  in dateLogged parameter is ignored by the query.
     * Provided paging/slicing control parameters.
     * 
     * @param logEntry
     * @param start
     * @param rows
     * @return - raw query response from datastore.  Needs better encapsulation.
     */
    public String queryLog(AuditLogEntry logEntry, Integer start, Integer rows);
}