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/*
 * Copyright (c) 2008-2020, 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.client.impl.clientside;

import com.hazelcast.cardinality.CardinalityEstimator;
import com.hazelcast.client.HazelcastClientNotActiveException;
import com.hazelcast.client.config.ClientConfig;
import com.hazelcast.config.Config;
import com.hazelcast.core.Client;
import com.hazelcast.core.ClientService;
import com.hazelcast.core.Cluster;
import com.hazelcast.core.DistributedObject;
import com.hazelcast.core.DistributedObjectListener;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.IAtomicLong;
import com.hazelcast.core.IAtomicReference;
import com.hazelcast.core.ICacheManager;
import com.hazelcast.core.ICountDownLatch;
import com.hazelcast.core.IExecutorService;
import com.hazelcast.core.IList;
import com.hazelcast.core.ILock;
import com.hazelcast.core.IMap;
import com.hazelcast.core.IQueue;
import com.hazelcast.core.ISemaphore;
import com.hazelcast.core.ISet;
import com.hazelcast.core.ITopic;
import com.hazelcast.core.IdGenerator;
import com.hazelcast.core.LifecycleService;
import com.hazelcast.core.MultiMap;
import com.hazelcast.core.PartitionService;
import com.hazelcast.core.ReplicatedMap;
import com.hazelcast.cp.CPSubsystem;
import com.hazelcast.crdt.pncounter.PNCounter;
import com.hazelcast.durableexecutor.DurableExecutorService;
import com.hazelcast.flakeidgen.FlakeIdGenerator;
import com.hazelcast.instance.TerminatedLifecycleService;
import com.hazelcast.internal.serialization.InternalSerializationService;
import com.hazelcast.logging.LoggingService;
import com.hazelcast.mapreduce.JobTracker;
import com.hazelcast.quorum.QuorumService;
import com.hazelcast.ringbuffer.Ringbuffer;
import com.hazelcast.scheduledexecutor.IScheduledExecutorService;
import com.hazelcast.spi.impl.SerializationServiceSupport;
import com.hazelcast.transaction.HazelcastXAResource;
import com.hazelcast.transaction.TransactionContext;
import com.hazelcast.transaction.TransactionException;
import com.hazelcast.transaction.TransactionOptions;
import com.hazelcast.transaction.TransactionalTask;

import java.util.Collection;
import java.util.concurrent.ConcurrentMap;

/**
 * A client-side proxy {@link com.hazelcast.core.HazelcastInstance} instance.
 */
@SuppressWarnings("checkstyle:classfanoutcomplexity")
public class HazelcastClientProxy implements HazelcastInstance, SerializationServiceSupport {

    public volatile HazelcastClientInstanceImpl client;

    public HazelcastClientProxy(HazelcastClientInstanceImpl client) {
        this.client = client;
    }

    @Override
    public Config getConfig() {
        return getClient().getConfig();
    }

    @Override
    public String getName() {
        return getClient().getName();
    }

    @Override
    public  Ringbuffer getRingbuffer(String name) {
        return getClient().getRingbuffer(name);
    }

    @Override
    public  IQueue getQueue(String name) {
        return getClient().getQueue(name);
    }

    @Override
    public  ITopic getTopic(String name) {
        return getClient().getTopic(name);
    }

    @Override
    public  ITopic getReliableTopic(String name) {
        return getClient().getReliableTopic(name);
    }

    @Override
    public  ISet getSet(String name) {
        return getClient().getSet(name);
    }

    @Override
    public  IList getList(String name) {
        return getClient().getList(name);
    }

    @Override
    public  IMap getMap(String name) {
        return getClient().getMap(name);
    }

    @Override
    public  MultiMap getMultiMap(String name) {
        return getClient().getMultiMap(name);
    }

    @Override
    public  ReplicatedMap getReplicatedMap(String name) {
        return getClient().getReplicatedMap(name);
    }

    @Override
    public JobTracker getJobTracker(String name) {
        return getClient().getJobTracker(name);
    }

    @Override
    public ILock getLock(String key) {
        return getClient().getLock(key);
    }

    @Override
    public ICacheManager getCacheManager() {
        return getClient().getCacheManager();
    }

    @Override
    public Cluster getCluster() {
        return getClient().getCluster();
    }

    @Override
    public Client getLocalEndpoint() {
        return getClient().getLocalEndpoint();
    }

    @Override
    public IExecutorService getExecutorService(String name) {
        return getClient().getExecutorService(name);
    }

    @Override
    public DurableExecutorService getDurableExecutorService(String name) {
        return getClient().getDurableExecutorService(name);
    }

    @Override
    public  T executeTransaction(TransactionalTask task)
            throws TransactionException {
        return getClient().executeTransaction(task);
    }

    @Override
    public  T executeTransaction(TransactionOptions options, TransactionalTask task)
            throws TransactionException {
        return getClient().executeTransaction(options, task);
    }

    @Override
    public TransactionContext newTransactionContext() {
        return getClient().newTransactionContext();
    }

    @Override
    public TransactionContext newTransactionContext(TransactionOptions options) {
        return getClient().newTransactionContext(options);
    }

    @Override
    public IdGenerator getIdGenerator(String name) {
        return getClient().getIdGenerator(name);
    }

    @Override
    public FlakeIdGenerator getFlakeIdGenerator(String name) {
        return getClient().getFlakeIdGenerator(name);
    }

    @Override
    public IAtomicLong getAtomicLong(String name) {
        return getClient().getAtomicLong(name);
    }

    @Override
    public  IAtomicReference getAtomicReference(String name) {
        return getClient().getAtomicReference(name);
    }

    @Override
    public ICountDownLatch getCountDownLatch(String name) {
        return getClient().getCountDownLatch(name);
    }

    @Override
    public ISemaphore getSemaphore(String name) {
        return getClient().getSemaphore(name);
    }

    @Override
    public CardinalityEstimator getCardinalityEstimator(String name) {
        return getClient().getCardinalityEstimator(name);
    }

    @Override
    public PNCounter getPNCounter(String name) {
        return getClient().getPNCounter(name);
    }

    @Override
    public IScheduledExecutorService getScheduledExecutorService(String name) {
        return getClient().getScheduledExecutorService(name);
    }

    @Override
    public Collection getDistributedObjects() {
        return getClient().getDistributedObjects();
    }

    @Override
    public String addDistributedObjectListener(DistributedObjectListener distributedObjectListener) {
        return getClient().addDistributedObjectListener(distributedObjectListener);
    }

    @Override
    public boolean removeDistributedObjectListener(String registrationId) {
        return getClient().removeDistributedObjectListener(registrationId);
    }

    @Override
    public PartitionService getPartitionService() {
        return getClient().getPartitionService();
    }

    @Override
    public QuorumService getQuorumService() {
        throw new UnsupportedOperationException();
    }

    @Override
    public ClientService getClientService() {
        return getClient().getClientService();
    }

    @Override
    public LoggingService getLoggingService() {
        return getClient().getLoggingService();
    }

    @Override
    public LifecycleService getLifecycleService() {
        final HazelcastClientInstanceImpl hz = client;
        return hz != null ? hz.getLifecycleService() : new TerminatedLifecycleService();
    }

    @Override
    public  T getDistributedObject(String serviceName, String name) {
        return getClient().getDistributedObject(serviceName, name);
    }

    @Override
    public CPSubsystem getCPSubsystem() {
        return getClient().getCPSubsystem();
    }

    @Override
    public ConcurrentMap getUserContext() {
        return getClient().getUserContext();
    }

    public ClientConfig getClientConfig() {
        return getClient().getClientConfig();
    }

    @Override
    public HazelcastXAResource getXAResource() {
        return getClient().getXAResource();
    }

    @Override
    public void shutdown() {
        getLifecycleService().shutdown();
    }

    @Override
    public InternalSerializationService getSerializationService() {
        return getClient().getSerializationService();
    }

    protected HazelcastClientInstanceImpl getClient() {
        final HazelcastClientInstanceImpl c = client;
        if (c == null || !c.getLifecycleService().isRunning()) {
            throw new HazelcastClientNotActiveException("Client is not active.");
        }
        return c;
    }

    public String toString() {
        final HazelcastClientInstanceImpl hazelcastInstance = client;
        if (hazelcastInstance != null) {
            return hazelcastInstance.toString();
        }
        return "HazelcastClientInstance {NOT ACTIVE}";
    }
}