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[apache#6146] improve(CLI): Refactor topic commands in Gavitino CLI (a…
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…pache#6174)

### What changes were proposed in this pull request?

Refactor topic commands in Gavitino CLI

### Why are the changes needed?

Fix: apache#6146 

### Does this PR introduce _any_ user-facing change?

No

### How was this patch tested?

local test.
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Abyss-lord committed Jan 11, 2025
1 parent 62bcbc2 commit 87cfdf9
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Showing 2 changed files with 197 additions and 90 deletions.
Original file line number Diff line number Diff line change
Expand Up @@ -139,7 +139,7 @@ private void executeCommand() {
} else if (entity.equals(CommandEntities.METALAKE)) {
handleMetalakeCommand();
} else if (entity.equals(CommandEntities.TOPIC)) {
handleTopicCommand();
new TopicCommandHandler(this, line, command, ignore).handle();
} else if (entity.equals(CommandEntities.FILESET)) {
handleFilesetCommand();
} else if (entity.equals(CommandEntities.USER)) {
Expand Down Expand Up @@ -798,95 +798,6 @@ private void handleOwnerCommand() {
}
}

/**
* Handles the command execution for topics based on command type and the command line options.
*/
private void handleTopicCommand() {
String url = getUrl();
String auth = getAuth();
String userName = line.getOptionValue(GravitinoOptions.LOGIN);
FullName name = new FullName(line);
String metalake = name.getMetalakeName();
String catalog = name.getCatalogName();
String schema = name.getSchemaName();

Command.setAuthenticationMode(auth, userName);

List<String> missingEntities = Lists.newArrayList();
if (catalog == null) missingEntities.add(CommandEntities.CATALOG);
if (schema == null) missingEntities.add(CommandEntities.SCHEMA);

if (CommandActions.LIST.equals(command)) {
checkEntities(missingEntities);
newListTopics(url, ignore, metalake, catalog, schema).validate().handle();
return;
}

String topic = name.getTopicName();
if (topic == null) missingEntities.add(CommandEntities.TOPIC);
checkEntities(missingEntities);

switch (command) {
case CommandActions.DETAILS:
newTopicDetails(url, ignore, metalake, catalog, schema, topic).validate().handle();
break;

case CommandActions.CREATE:
{
String comment = line.getOptionValue(GravitinoOptions.COMMENT);
newCreateTopic(url, ignore, metalake, catalog, schema, topic, comment)
.validate()
.handle();
break;
}

case CommandActions.DELETE:
{
boolean force = line.hasOption(GravitinoOptions.FORCE);
newDeleteTopic(url, ignore, force, metalake, catalog, schema, topic).validate().handle();
break;
}

case CommandActions.UPDATE:
{
if (line.hasOption(GravitinoOptions.COMMENT)) {
String comment = line.getOptionValue(GravitinoOptions.COMMENT);
newUpdateTopicComment(url, ignore, metalake, catalog, schema, topic, comment)
.validate()
.handle();
}
break;
}

case CommandActions.SET:
{
String property = line.getOptionValue(GravitinoOptions.PROPERTY);
String value = line.getOptionValue(GravitinoOptions.VALUE);
newSetTopicProperty(url, ignore, metalake, catalog, schema, topic, property, value)
.validate()
.handle();
break;
}

case CommandActions.REMOVE:
{
String property = line.getOptionValue(GravitinoOptions.PROPERTY);
newRemoveTopicProperty(url, ignore, metalake, catalog, schema, topic, property)
.validate()
.handle();
break;
}

case CommandActions.PROPERTIES:
newListTopicProperties(url, ignore, metalake, catalog, schema, topic).validate().handle();
break;

default:
System.err.println(ErrorMessages.UNSUPPORTED_ACTION);
break;
}
}

/**
* Handles the command execution for filesets based on command type and the command line options.
*/
Expand Down
Original file line number Diff line number Diff line change
@@ -0,0 +1,196 @@
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.gravitino.cli;

import com.google.common.collect.Lists;
import java.util.List;
import org.apache.commons.cli.CommandLine;
import org.apache.gravitino.cli.commands.Command;

/** Handles the command execution for Topics based on command type and the command line options. */
public class TopicCommandHandler extends CommandHandler {
private final GravitinoCommandLine gravitinoCommandLine;
private final CommandLine line;
private final String command;
private final boolean ignore;
private final String url;
private final FullName name;
private final String metalake;
private final String catalog;
private final String schema;
private String topic;

/**
* Constructs a {@link TopicCommandHandler} instance.
*
* @param gravitinoCommandLine The Gravitino command line instance.
* @param line The command line arguments.
* @param command The command to execute.
* @param ignore Ignore server version mismatch.
*/
public TopicCommandHandler(
GravitinoCommandLine gravitinoCommandLine, CommandLine line, String command, boolean ignore) {
this.gravitinoCommandLine = gravitinoCommandLine;
this.line = line;
this.command = command;
this.ignore = ignore;

this.url = getUrl(line);
this.name = new FullName(line);
this.metalake = name.getMetalakeName();
this.catalog = name.getCatalogName();
this.schema = name.getSchemaName();
}

/** Handles the command execution logic based on the provided command. */
@Override
protected void handle() {
String userName = line.getOptionValue(GravitinoOptions.LOGIN);
Command.setAuthenticationMode(getAuth(line), userName);

List<String> missingEntities = Lists.newArrayList();
if (catalog == null) missingEntities.add(CommandEntities.CATALOG);
if (schema == null) missingEntities.add(CommandEntities.SCHEMA);

if (CommandActions.LIST.equals(command)) {
checkEntities(missingEntities);
handleListCommand();
return;
}

topic = name.getTopicName();
if (topic == null) missingEntities.add(CommandEntities.TOPIC);
checkEntities(missingEntities);

if (!executeCommand()) {
System.err.println(ErrorMessages.UNSUPPORTED_COMMAND);
Main.exit(-1);
}
}

/**
* Executes the specific command based on the command type.
*
* @return true if the command is supported, false otherwise
*/
private boolean executeCommand() {
switch (command) {
case CommandActions.DETAILS:
handleDetailsCommand();
return true;

case CommandActions.CREATE:
handleCreateCommand();
return true;

case CommandActions.DELETE:
handleDeleteCommand();
return true;

case CommandActions.UPDATE:
handleUpdateCommand();
return true;

case CommandActions.SET:
handleSetCommand();
return true;

case CommandActions.REMOVE:
handleRemoveCommand();
return true;

case CommandActions.PROPERTIES:
handlePropertiesCommand();
return true;

default:
return false;
}
}

/** Handles the "DETAILS" command. */
private void handleDetailsCommand() {
gravitinoCommandLine
.newTopicDetails(url, ignore, metalake, catalog, schema, topic)
.validate()
.handle();
}

/** Handles the "CREATE" command. */
private void handleCreateCommand() {
String comment = line.getOptionValue(GravitinoOptions.COMMENT);
gravitinoCommandLine
.newCreateTopic(url, ignore, metalake, catalog, schema, topic, comment)
.validate()
.handle();
}

/** Handles the "DELETE" command. */
private void handleDeleteCommand() {
boolean force = line.hasOption(GravitinoOptions.FORCE);
gravitinoCommandLine
.newDeleteTopic(url, ignore, force, metalake, catalog, schema, topic)
.validate()
.handle();
}

/** Handles the "UPDATE" command. */
private void handleUpdateCommand() {
if (line.hasOption(GravitinoOptions.COMMENT)) {
String comment = line.getOptionValue(GravitinoOptions.COMMENT);
gravitinoCommandLine
.newUpdateTopicComment(url, ignore, metalake, catalog, schema, topic, comment)
.validate()
.handle();
}
}

/** Handles the "SET" command. */
private void handleSetCommand() {
String property = line.getOptionValue(GravitinoOptions.PROPERTY);
String value = line.getOptionValue(GravitinoOptions.VALUE);
gravitinoCommandLine
.newSetTopicProperty(url, ignore, metalake, catalog, schema, topic, property, value)
.validate()
.handle();
}

/** Handles the "REMOVE" command. */
private void handleRemoveCommand() {
String property = line.getOptionValue(GravitinoOptions.PROPERTY);
gravitinoCommandLine
.newRemoveTopicProperty(url, ignore, metalake, catalog, schema, topic, property)
.validate()
.handle();
}

/** Handles the "PROPERTIES" command. */
private void handlePropertiesCommand() {
gravitinoCommandLine
.newListTopicProperties(url, ignore, metalake, catalog, schema, topic)
.validate()
.handle();
}

/** Handles the "LIST" command. */
private void handleListCommand() {
gravitinoCommandLine.newListTopics(url, ignore, metalake, catalog, schema).validate().handle();
}
}

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