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/*
 * 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.camel.impl.engine;

import java.util.Collection;
import java.util.Collections;
import java.util.concurrent.TimeUnit;

import org.apache.camel.CamelContext;
import org.apache.camel.ExtendedCamelContext;
import org.apache.camel.LoggingLevel;
import org.apache.camel.NonManagedService;
import org.apache.camel.Route;
import org.apache.camel.ServiceStatus;
import org.apache.camel.spi.RouteController;
import org.apache.camel.spi.SupervisingRouteController;
import org.apache.camel.support.service.ServiceSupport;

/**
 * A default {@link RouteController} that starts the routes in a fail-fast mode, which means if any of the routes fail
 * to startup then this causes Camel to fail to startup as well.
 *
 * @see DefaultSupervisingRouteController
 */
public class DefaultRouteController extends ServiceSupport implements RouteController, NonManagedService {

    // mark this as non managed service as its registered specially as a route controller

    private ExtendedCamelContext camelContext;

    private LoggingLevel loggingLevel = LoggingLevel.DEBUG;

    public DefaultRouteController() {
        this(null);
    }

    public DefaultRouteController(CamelContext camelContext) {
        this.camelContext = (ExtendedCamelContext) camelContext;
    }

    // ***************************************************
    // Properties
    // ***************************************************

    @Override
    public void setCamelContext(CamelContext camelContext) {
        this.camelContext = (ExtendedCamelContext) camelContext;
    }

    @Override
    public CamelContext getCamelContext() {
        return camelContext;
    }

    @Override
    public LoggingLevel getLoggingLevel() {
        return loggingLevel;
    }

    @Override
    public void setLoggingLevel(LoggingLevel loggingLevel) {
        this.loggingLevel = loggingLevel;
    }

    @Override
    public boolean isSupervising() {
        return this instanceof SupervisingRouteController;
    }

    // ***************************************************
    // Route management
    // ***************************************************

    protected RouteController getInternalRouteController() {
        return camelContext.getInternalRouteController();
    }

    @Override
    public void startAllRoutes() throws Exception {
        getInternalRouteController().startAllRoutes();
    }

    @Override
    public void stopAllRoutes() throws Exception {
        getInternalRouteController().stopAllRoutes();
    }

    @Override
    public void removeAllRoutes() throws Exception {
        getInternalRouteController().removeAllRoutes();
    }

    @Override
    public boolean isStartingRoutes() {
        return getInternalRouteController().isStartingRoutes();
    }

    @Override
    public void reloadAllRoutes() throws Exception {
        getInternalRouteController().reloadAllRoutes();
    }

    @Override
    public boolean isReloadingRoutes() {
        return getInternalRouteController().isReloadingRoutes();
    }

    @Override
    public ServiceStatus getRouteStatus(String routeId) {
        return getInternalRouteController().getRouteStatus(routeId);
    }

    @Override
    public void startRoute(String routeId) throws Exception {
        getInternalRouteController().startRoute(routeId);
    }

    @Override
    public void stopRoute(String routeId) throws Exception {
        getInternalRouteController().stopRoute(routeId);
    }

    @Override
    public void stopRoute(String routeId, Throwable cause) throws Exception {
        getInternalRouteController().stopRoute(routeId, cause);
    }

    @Override
    public void stopRoute(String routeId, long timeout, TimeUnit timeUnit) throws Exception {
        getInternalRouteController().stopRoute(routeId, timeout, timeUnit);
    }

    @Override
    public boolean stopRoute(String routeId, long timeout, TimeUnit timeUnit, boolean abortAfterTimeout) throws Exception {
        return getInternalRouteController().stopRoute(routeId, timeout, timeUnit, abortAfterTimeout);
    }

    @Override
    public void suspendRoute(String routeId) throws Exception {
        getInternalRouteController().suspendRoute(routeId);
    }

    @Override
    public void suspendRoute(String routeId, long timeout, TimeUnit timeUnit) throws Exception {
        getInternalRouteController().suspendRoute(routeId, timeout, timeUnit);
    }

    @Override
    public void resumeRoute(String routeId) throws Exception {
        getInternalRouteController().resumeRoute(routeId);
    }

    // ***************************************************
    //
    // ***************************************************

    @Override
    public  T adapt(Class type) {
        return type.cast(this);
    }

    @Override
    public SupervisingRouteController supervising() {
        if (this instanceof SupervisingRouteController) {
            return (SupervisingRouteController) this;
        } else {
            // change current route controller to be supervising
            SupervisingRouteController src = new DefaultSupervisingRouteController();
            src.setCamelContext(camelContext);
            camelContext.setRouteController(src);
            return src;
        }
    }

    @Override
    public Collection getControlledRoutes() {
        return Collections.emptyList();
    }
}