net.oneandone.stool.cli.Stop Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of main Show documentation

Stool's main component. Java Library, cli, setup code.

There is a newer version: 4.0.3

/**
 * Copyright 1&1 Internet AG, https://github.com/1and1/
 *
 * 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 net.oneandone.stool.cli;

import net.oneandone.stool.locking.Mode;
import net.oneandone.stool.stage.Stage;
import net.oneandone.stool.util.Session;
import net.oneandone.sushi.launcher.Launcher;

public class Stop extends StageCommand {
    private boolean sleep;
    private Launcher.Handle mainResult;

    public Stop(Session session, boolean sleep) {
        super(false, session, Mode.SHARED, Mode.SHARED, Mode.NONE);
        this.sleep = sleep;
    }

    @Override
    public void doMain(Stage stage) throws Exception {
        boolean alreadySleeping;

        stage.modify();
        alreadySleeping = session.bedroom.contains(stage.getId());
        if (alreadySleeping) {
            mainResult = null;
            if (sleep) {
                console.info.println("warning: stage already marked as sleeping");
            } else {
                console.info.println("going from sleeping to stopped.");
            }
        } else {
            mainResult = stage.stop(console);
        }
    }

    @Override
    public void doFinish(Stage stage) throws Exception {
        if (mainResult != null) {
            console.verbose.println(mainResult.awaitString());
        }
        if (sleep) {
            if (mainResult != null) {
                session.bedroom.add(session.gson, stage.getId());
            } else {
                // nothing to do - already sleeping
            }
            console.info.println("state: sleeping");
        } else {
            session.bedroom.remove(session.gson, stage.getId());
            console.info.println("state: down");
        }
    }
}