com.hazelcast.client.impl.protocol.codec.MCGetClusterMetadataCodec 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.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.
*/
/**
* Gets the current metadata of a cluster.
*/
@Generated("4b3335c35463aad7016b8dae36cbda47")
public final class MCGetClusterMetadataCodec {
//hex: 0x200E00
public static final int REQUEST_MESSAGE_TYPE = 2100736;
//hex: 0x200E01
public static final int RESPONSE_MESSAGE_TYPE = 2100737;
private static final int REQUEST_INITIAL_FRAME_SIZE = PARTITION_ID_FIELD_OFFSET + INT_SIZE_IN_BYTES;
private static final int RESPONSE_CURRENT_STATE_FIELD_OFFSET = RESPONSE_BACKUP_ACKS_FIELD_OFFSET + BYTE_SIZE_IN_BYTES;
private static final int RESPONSE_CLUSTER_TIME_FIELD_OFFSET = RESPONSE_CURRENT_STATE_FIELD_OFFSET + BYTE_SIZE_IN_BYTES;
private static final int RESPONSE_INITIAL_FRAME_SIZE = RESPONSE_CLUSTER_TIME_FIELD_OFFSET + LONG_SIZE_IN_BYTES;
private MCGetClusterMetadataCodec() {
}
public static ClientMessage encodeRequest() {
ClientMessage clientMessage = ClientMessage.createForEncode();
clientMessage.setRetryable(true);
clientMessage.setOperationName("MC.GetClusterMetadata");
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);
return clientMessage;
}
@edu.umd.cs.findbugs.annotations.SuppressFBWarnings({"URF_UNREAD_PUBLIC_OR_PROTECTED_FIELD"})
public static class ResponseParameters {
/**
* Current state of the cluster:
* 0 - ACTIVE
* 1 - NO_MIGRATION
* 2 - FROZEN
* 3 - PASSIVE
* 4 - IN_TRANSITION (not allowed)
*/
public byte currentState;
/**
* Current version of the member.
*/
public java.lang.String memberVersion;
/**
* Current Jet version of the member.
*/
public @Nullable java.lang.String jetVersion;
/**
* Cluster-wide time in milliseconds.
*/
public long clusterTime;
}
public static ClientMessage encodeResponse(byte currentState, java.lang.String memberVersion, @Nullable java.lang.String jetVersion, long clusterTime) {
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);
encodeByte(initialFrame.content, RESPONSE_CURRENT_STATE_FIELD_OFFSET, currentState);
encodeLong(initialFrame.content, RESPONSE_CLUSTER_TIME_FIELD_OFFSET, clusterTime);
clientMessage.add(initialFrame);
StringCodec.encode(clientMessage, memberVersion);
CodecUtil.encodeNullable(clientMessage, jetVersion, StringCodec::encode);
return clientMessage;
}
public static MCGetClusterMetadataCodec.ResponseParameters decodeResponse(ClientMessage clientMessage) {
ClientMessage.ForwardFrameIterator iterator = clientMessage.frameIterator();
ResponseParameters response = new ResponseParameters();
ClientMessage.Frame initialFrame = iterator.next();
response.currentState = decodeByte(initialFrame.content, RESPONSE_CURRENT_STATE_FIELD_OFFSET);
response.clusterTime = decodeLong(initialFrame.content, RESPONSE_CLUSTER_TIME_FIELD_OFFSET);
response.memberVersion = StringCodec.decode(iterator);
response.jetVersion = CodecUtil.decodeNullable(iterator, StringCodec::decode);
return response;
}
}