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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.store.consistent.impl;
import net.kuujo.copycat.state.Command;
import net.kuujo.copycat.state.Initializer;
import net.kuujo.copycat.state.Query;
import net.kuujo.copycat.state.StateContext;
import org.onosproject.store.service.Transaction;
import org.onosproject.store.service.Versioned;
import java.util.Collection;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
/**
* Database state.
*
*/
public interface DatabaseState<K, V> {
/**
* Initializes the database state.
*
* @param context The map state context.
*/
@Initializer
void init(StateContext<DatabaseState<K, V>> context);
@Query
Set<String> maps();
@Query
Map<String, Long> counters();
@Query
int mapSize(String mapName);
@Query
boolean mapIsEmpty(String mapName);
@Query
boolean mapContainsKey(String mapName, K key);
@Query
boolean mapContainsValue(String mapName, V value);
@Query
Versioned<V> mapGet(String mapName, K key);
@Command
Result<UpdateResult<K, V>> mapUpdate(String mapName, K key, Match<V> valueMatch, Match<Long> versionMatch, V value);
@Command
Result<Void> mapClear(String mapName);
@Query
Set<K> mapKeySet(String mapName);
@Query
Collection<Versioned<V>> mapValues(String mapName);
@Query
Set<Entry<K, Versioned<V>>> mapEntrySet(String mapName);
@Command
Long counterAddAndGet(String counterName, long delta);
@Command
Boolean counterCompareAndSet(String counterName, long expectedValue, long updateValue);
@Command
Long counterGetAndAdd(String counterName, long delta);
@Query
Long queueSize(String queueName);
@Query
byte[] queuePeek(String queueName);
@Command
byte[] queuePop(String queueName);
@Command
void queuePush(String queueName, byte[] entry);
@Query
Long counterGet(String counterName);
@Command
CommitResponse prepareAndCommit(Transaction transaction);
@Command
boolean prepare(Transaction transaction);
@Command
CommitResponse commit(Transaction transaction);
@Command
boolean rollback(Transaction transaction);
}
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