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/*
* Copyright 2015 Open Networking Laboratory
*
* 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.onosproject.persistence;
/**
* Service that allows for the creation of local disk backed map for instance specific values that persist across
* restarts. Empty maps and sets are deleted on shutdown.
*/
public interface PersistenceService {
/**
* A builder for the creation of local persistent maps backed by disk.
*
* @param <K> the type of keys in this map
* @param <V> the type of values in this map
* @return a persistent map builder
*/
<K, V> PersistentMapBuilder<K, V> persistentMapBuilder();
/**
* A builder for the creation of local persistent sets backed by disk.
*
* @param <E> the type of the elements
* @return a persistent set builder
*/
<E> PersistentSetBuilder<E> persistentSetBuilder();
}
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