ShellModule.java

/*
 * Licensed to Luca Cavanna (the "Author") under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. Elastic Search 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.elasticsearch.shell;

import org.elasticsearch.common.inject.AbstractModule;
import org.elasticsearch.common.inject.name.Names;
import org.elasticsearch.shell.scheduler.DefaultScheduler;
import org.elasticsearch.shell.scheduler.Scheduler;

import java.io.InputStream;
import java.io.PrintStream;

/**
 * Module that binds all generic objects needed to run the shell
 *
 * @author Luca Cavanna
 */
public class ShellModule extends AbstractModule {

    @Override
    protected void configure() {
        bind(String.class).annotatedWith(Names.named("appName")).toInstance("elasticshell");
        bind(InputStream.class).annotatedWith(Names.named("shellInput")).toInstance(System.in);
        bind(PrintStream.class).annotatedWith(Names.named("shellOutput")).toInstance(new PrintStream(System.out, true));
        bind(ShutdownHook.class).asEagerSingleton();
        bind(ResourceRegistry.class).to(DefaultResourceRegistry.class).asEagerSingleton();
        bind(Scheduler.class).to(DefaultScheduler.class).asEagerSingleton();
    }
}