hazelcast-master/hazelcast/src/main/java/com/hazelcast/client/impl/protocol/task/GetDistributedObjectsMessageTask.java
/*
 * Copyright (c) 2008-2023, 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.protocol.task;

import com.hazelcast.client.impl.client.DistributedObjectInfo;
import com.hazelcast.client.impl.protocol.ClientMessage;
import com.hazelcast.client.impl.protocol.codec.ClientGetDistributedObjectsCodec;
import com.hazelcast.core.DistributedObject;
import com.hazelcast.core.DistributedObjectUtil;
import com.hazelcast.instance.impl.Node;
import com.hazelcast.internal.nio.Connection;
import com.hazelcast.spi.impl.proxyservice.impl.ProxyServiceImpl;

import java.security.Permission;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

public class GetDistributedObjectsMessageTask
        extends AbstractCallableMessageTask<Void> {

    public GetDistributedObjectsMessageTask(ClientMessage clientMessage, Node node, Connection connection) {
        super(clientMessage, node, connection);
    }

    @Override
    protected Object call()
            throws Exception {
        Collection<DistributedObject> distributedObjects = clientEngine.getProxyService().getAllDistributedObjects();

        List<DistributedObjectInfo> coll = new ArrayList<DistributedObjectInfo>(distributedObjects.size());
        for (DistributedObject distributedObject : distributedObjects) {
            String name = DistributedObjectUtil.getName(distributedObject);
            coll.add(new DistributedObjectInfo(distributedObject.getServiceName(), name));
        }
        return coll;
    }

    @Override
    protected Void decodeClientMessage(ClientMessage clientMessage) {
        return null;
    }

    @Override
    protected ClientMessage encodeResponse(Object response) {
        return ClientGetDistributedObjectsCodec.encodeResponse((List<DistributedObjectInfo>) response);
    }

    @Override
    public String getServiceName() {
        return ProxyServiceImpl.SERVICE_NAME;
    }

    @Override
    public Permission getRequiredPermission() {
        return null;
    }

    @Override
    public String getDistributedObjectName() {
        return null;
    }

    @Override
    public String getMethodName() {
        return "getDistributedObjects";
    }

    @Override
    public Object[] getParameters() {
        return null;
    }
}
