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PROD-39429 Implement migrate sys func from new channel(Format V2) to …
…old channel (V1) - Push to Main (#751)
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58 changes: 58 additions & 0 deletions
58
...om/snowflake/kafka/connector/internal/streaming/ChannelMigrateOffsetTokenResponseDTO.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| /* | ||
| * Copyright (c) 2023 Snowflake 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.snowflake.kafka.connector.internal.streaming; | ||
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| import com.fasterxml.jackson.annotation.JsonProperty; | ||
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| /** | ||
| * POJO used to serialize the System function response for migration offset from Source Channel to | ||
| * Destination. | ||
| */ | ||
| public class ChannelMigrateOffsetTokenResponseDTO { | ||
| private long responseCode; | ||
|
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| private String responseMessage; | ||
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| public ChannelMigrateOffsetTokenResponseDTO(long responseCode, String responseMessage) { | ||
| this.responseCode = responseCode; | ||
| this.responseMessage = responseMessage; | ||
| } | ||
|
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| /** Default Ctor for Jackson */ | ||
| public ChannelMigrateOffsetTokenResponseDTO() {} | ||
|
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| @JsonProperty("responseCode") | ||
| public long getResponseCode() { | ||
| return responseCode; | ||
| } | ||
|
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| @JsonProperty("responseMessage") | ||
| public String getResponseMessage() { | ||
| return responseMessage; | ||
| } | ||
|
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| @Override | ||
| public String toString() { | ||
| return "ChannelMigrateOffsetTokenResponseDTO{" | ||
| + "responseCode=" | ||
| + responseCode | ||
| + ", responseMessage='" | ||
| + responseMessage | ||
| + '\'' | ||
| + '}'; | ||
| } | ||
| } |
98 changes: 98 additions & 0 deletions
98
...n/java/com/snowflake/kafka/connector/internal/streaming/ChannelMigrationResponseCode.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| /* | ||
| * Copyright (c) 2023 Snowflake 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.snowflake.kafka.connector.internal.streaming; | ||
|
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| import com.google.common.annotations.VisibleForTesting; | ||
|
|
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| /** | ||
| * Response code sent from the system function to migrate offsets from Source to Destination | ||
| * Channel. Please keep this code(values) in sync with what the server side is assigned. | ||
| */ | ||
| public enum ChannelMigrationResponseCode { | ||
| ERR_TABLE_DOES_NOT_EXIST_NOT_AUTHORIZED( | ||
| 4, "The supplied table does not exist or is not authorized"), | ||
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| SUCCESS(50, "Success"), | ||
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| OFFSET_MIGRATION_SOURCE_CHANNEL_DOES_NOT_EXIST( | ||
| 51, "Source Channel does not exist for Offset Migration"), | ||
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| CHANNEL_OFFSET_TOKEN_MIGRATION_GENERAL_EXCEPTION( | ||
| 52, "Snowflake experienced a transient exception, please retry the migration request."), | ||
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| OFFSET_MIGRATION_SOURCE_AND_DESTINATION_CHANNEL_SAME( | ||
| 53, "Source and Destination Channel are same for Migration Offset Request"), | ||
| ; | ||
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| private final long statusCode; | ||
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| private final String message; | ||
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| public static final String UNKNOWN_STATUS_MESSAGE = | ||
| "Unknown status message. Please contact Snowflake support for further assistance"; | ||
|
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| ChannelMigrationResponseCode(int statusCode, String message) { | ||
| this.statusCode = statusCode; | ||
| this.message = message; | ||
| } | ||
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| @VisibleForTesting | ||
| public long getStatusCode() { | ||
| return statusCode; | ||
| } | ||
|
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| @VisibleForTesting | ||
| public String getMessage() { | ||
| return message; | ||
| } | ||
|
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| public static String getMessageByCode(Long statusCode) { | ||
| if (statusCode != null) { | ||
| for (ChannelMigrationResponseCode code : values()) { | ||
| if (code.statusCode == statusCode) { | ||
| return code.message; | ||
| } | ||
| } | ||
| } | ||
| return UNKNOWN_STATUS_MESSAGE; | ||
| } | ||
|
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| /** | ||
| * Given a response code which was received from server side, check if it as successful migration | ||
| * or a failure. | ||
| * | ||
| * @param statusCodeToCheck response from JDBC system function call. | ||
| * @return true or false | ||
| */ | ||
| private static boolean isStatusCodeSuccessful(final long statusCodeToCheck) { | ||
| return statusCodeToCheck == SUCCESS.getStatusCode() | ||
| || statusCodeToCheck == OFFSET_MIGRATION_SOURCE_CHANNEL_DOES_NOT_EXIST.getStatusCode(); | ||
| } | ||
|
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| /** | ||
| * Given a Response DTO, which was received from server side and serialized, check if it as | ||
| * successful migration or a failure. | ||
| * | ||
| * @param channelMigrateOffsetTokenResponseDTO response from JDBC system function call serialized | ||
| * into a DTO object. | ||
| * @return true or false | ||
| */ | ||
| public static boolean isChannelMigrationResponseSuccessful( | ||
| final ChannelMigrateOffsetTokenResponseDTO channelMigrateOffsetTokenResponseDTO) { | ||
| return isStatusCodeSuccessful(channelMigrateOffsetTokenResponseDTO.getResponseCode()); | ||
| } | ||
| } |
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