exec/java-exec/src/main/java/org/apache/drill/exec/cache/DistributedMap.java

/**
 * 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.apache.drill.exec.cache;

import java.util.Map;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;

public interface DistributedMap<K, V>{
  static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(DistributedMap.class);
  public V get(K key);
  public Future<V> put(K key, V value);
  public Future<V> delete(K key);
  public Future<V> putIfAbsent(K key, V value);
  public Future<V> putIfAbsent(K key, V value, long ttl, TimeUnit timeUnit);
  public Iterable<Map.Entry<K, V>> getLocalEntries();

}