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/*
* 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.gearpump.streaming.refactor.state.api
import java.lang.Iterable
trait MapState[K, V] extends State {
def put(key : K, value : V): Unit
def putIfAbsent(key : K, value : V): ReadableState[V]
def remove(key : K): Unit
def get(key : K): ReadableState[V]
def keys: ReadableState[Iterable[K]]
def values: ReadableState[Iterable[V]]
def entries: ReadableState[Iterable[java.util.Map.Entry[K, V]]]
}