com.hazelcast.client.impl.protocol.codec.CPSessionGenerateThreadIdCodec Maven / Gradle / Ivy

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Core Hazelcast Module
There is a newer version: 5.5.0
/*
 * 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.codec;

import com.hazelcast.client.impl.protocol.ClientMessage;
import com.hazelcast.client.impl.protocol.Generated;
import com.hazelcast.client.impl.protocol.codec.builtin.*;
import com.hazelcast.client.impl.protocol.codec.custom.*;

import javax.annotation.Nullable;

import static com.hazelcast.client.impl.protocol.ClientMessage.*;
import static com.hazelcast.client.impl.protocol.codec.builtin.FixedSizeTypesCodec.*;

/*
 * This file is auto-generated by the Hazelcast Client Protocol Code Generator.
 * To change this file, edit the templates or the protocol
 * definitions on the https://github.com/hazelcast/hazelcast-client-protocol
 * and regenerate it.
 */

/**
 * Generates a new ID for the caller thread. The ID is unique in the given
 * CP group.
 */
@Generated("7cce8e79d861b3d73f0d103b1e8f2185")
public final class CPSessionGenerateThreadIdCodec {
    //hex: 0x1F0400
    public static final int REQUEST_MESSAGE_TYPE = 2032640;
    //hex: 0x1F0401
    public static final int RESPONSE_MESSAGE_TYPE = 2032641;
    private static final int REQUEST_INITIAL_FRAME_SIZE = PARTITION_ID_FIELD_OFFSET + INT_SIZE_IN_BYTES;
    private static final int RESPONSE_RESPONSE_FIELD_OFFSET = RESPONSE_BACKUP_ACKS_FIELD_OFFSET + BYTE_SIZE_IN_BYTES;
    private static final int RESPONSE_INITIAL_FRAME_SIZE = RESPONSE_RESPONSE_FIELD_OFFSET + LONG_SIZE_IN_BYTES;

    private CPSessionGenerateThreadIdCodec() {
    }

    public static ClientMessage encodeRequest(com.hazelcast.cp.internal.RaftGroupId groupId) {
        ClientMessage clientMessage = ClientMessage.createForEncode();
        clientMessage.setRetryable(true);
        clientMessage.setOperationName("CPSession.GenerateThreadId");
        ClientMessage.Frame initialFrame = new ClientMessage.Frame(new byte[REQUEST_INITIAL_FRAME_SIZE], UNFRAGMENTED_MESSAGE);
        encodeInt(initialFrame.content, TYPE_FIELD_OFFSET, REQUEST_MESSAGE_TYPE);
        encodeInt(initialFrame.content, PARTITION_ID_FIELD_OFFSET, -1);
        clientMessage.add(initialFrame);
        RaftGroupIdCodec.encode(clientMessage, groupId);
        return clientMessage;
    }

    /**
     * ID of the CP group
     */
    public static com.hazelcast.cp.internal.RaftGroupId decodeRequest(ClientMessage clientMessage) {
        ClientMessage.ForwardFrameIterator iterator = clientMessage.frameIterator();
        //empty initial frame
        iterator.next();
        return RaftGroupIdCodec.decode(iterator);
    }

    public static ClientMessage encodeResponse(long response) {
        ClientMessage clientMessage = ClientMessage.createForEncode();
        ClientMessage.Frame initialFrame = new ClientMessage.Frame(new byte[RESPONSE_INITIAL_FRAME_SIZE], UNFRAGMENTED_MESSAGE);
        encodeInt(initialFrame.content, TYPE_FIELD_OFFSET, RESPONSE_MESSAGE_TYPE);
        encodeLong(initialFrame.content, RESPONSE_RESPONSE_FIELD_OFFSET, response);
        clientMessage.add(initialFrame);

        return clientMessage;
    }

    /**
     * A unique ID for the caller thread
     */
    public static long decodeResponse(ClientMessage clientMessage) {
        ClientMessage.ForwardFrameIterator iterator = clientMessage.frameIterator();
        ClientMessage.Frame initialFrame = iterator.next();
        return decodeLong(initialFrame.content, RESPONSE_RESPONSE_FIELD_OFFSET);
    }
}