io.hyscale.controller.commands.scale.HyscaleScaleCommand Maven / Gradle / Ivy
/**
* Copyright 2019 Pramati Prism, Inc.
*
* 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 io.hyscale.controller.commands.scale;
import io.hyscale.commons.constants.ToolConstants;
import org.springframework.stereotype.Component;
import picocli.CommandLine;
import java.util.concurrent.Callable;
/**
* This class executes 'hyscale scale ' command
* It is a sub-command of the 'hyscale ' command
*
* @see io.hyscale.controller.commands.HyscaleCommand .
* Every command/sub-command has to implement the {@link Callable} so that
* whenever the command is executed the {@link #call()}
* method will be invoked
*
* The sub-commands of are handled by @Command annotation
*/
//TODO make it work with scale
@CommandLine.Command(name = "scale", subcommands = {HyscaleScaleServiceCommand.class}, description = "scale the resource")
@Component
public class HyscaleScaleCommand implements Callable {
@CommandLine.Option(names = {"-h", "--help"}, usageHelp = true, description = "Displays the help information of the specified command")
private boolean helpRequested = false;
/**
* Executes the 'hyscale scale' command
* Provides usage of this command to the user
*/
@Override
public Integer call() throws Exception {
new CommandLine(this).usage(System.out);
return ToolConstants.INVALID_INPUT_ERROR_CODE;
}
}