DistributedExecutionMap.java

/*
 * Copyright 2017 the original author or authors.
 *
 * 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.glowroot.central.util;

import java.io.Serializable;
import java.util.Optional;

import javax.annotation.Nullable;

import org.infinispan.util.function.SerializableFunction;

public interface DistributedExecutionMap<K extends /*@NonNull*/ Serializable, V extends /*@NonNull*/ Object> {

    @Nullable
    V get(K key);

    void put(K key, V value);

    void remove(K key, V value);

    <R extends Serializable> Optional<R> execute(String key, SerializableFunction<V, R> task)
            throws Exception;

    <R extends Serializable> boolean executeVoid(String key,
            SerializableFunction<V, Optional<Boolean>> task) throws Exception;
}