/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.onlab.onos.net.flow;

import java.util.concurrent.Future;

import org.onlab.onos.ApplicationId;
import org.onlab.onos.net.provider.Provider;

/**
 * Abstraction of a flow rule provider.
 */
public interface FlowRuleProvider extends Provider {

    static final int POLL_INTERVAL = 5;

    /**
     * Instructs the provider to apply the specified flow rules to their
     * respective devices.
     * @param flowRules one or more flow rules
     * throws SomeKindOfException that indicates which ones were applied and
     *                  which ones failed
     */
    void applyFlowRule(FlowRule... flowRules);

    /**
     * Instructs the provider to remove the specified flow rules to their
     * respective devices.
     * @param flowRules one or more flow rules
     * throws SomeKindOfException that indicates which ones were applied and
     *                  which ones failed
     */
    void removeFlowRule(FlowRule... flowRules);

    /**
     * Removes rules by their id.
     * @param id the id to remove
     */
    void removeRulesById(ApplicationId id, FlowRule... flowRules);

    /**
     * Installs a batch of flow rules. Each flowrule is associated to an
     * operation which results in either addition, removal or modification.
     * @param batch a batch of flow rules
     * @return a future indicating the status of this execution
     */
    Future<CompletedBatchOperation> executeBatch(BatchOperation<FlowRuleBatchEntry> batch);

}