com.hazelcast.sql.impl.NodeServiceProvider Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2021, Hazelcast, Inc. All Rights Reserved.
*
* 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 com.hazelcast.sql.impl;
import com.hazelcast.internal.nio.Connection;
import com.hazelcast.logging.ILogger;
import com.hazelcast.map.impl.MapContainer;
import java.util.Collection;
import java.util.Set;
import java.util.UUID;
/**
* A single entry point for all interactions with other member services.
*/
public interface NodeServiceProvider extends ClockProvider, LocalMemberIdProvider {
/**
* Get IDs of data members known to the member.
*
* @return IDs of data members.
*/
Collection getDataMemberIds();
/**
* @return IDs of active clients.
*/
Set getClientIds();
/**
* Get connection to member.
*
* @param memberId Member ID.
* @return Connection object or {@code null} if the connection cannot be established.
*/
Connection getConnection(UUID memberId);
/**
* @param name Map name.
* @return Container or {@code null} if map with the given name doesn't exist.
*/
MapContainer getMap(String name);
/**
* Get logger for class.
*
* @param clazz Class.
* @return Logger.
*/
ILogger getLogger(Class clazz);
}