/* Copyright (c) 2014, Effektif GmbH.
*
* 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 com.effektif.workflow.impl.configuration;
/** Callback that is invoked when the {@link Brewery} is started
* and allows server components to perform startup initializations
* when the server is started.
*
* <p>When the brewery is started, the collections suppliers, ingredients
* and beers will be scanned for Startables in that order.
* And each collection elements are scanned in order of addition.</p>
*
* <p>{@link Brewery#start() Starting} of the brewery is done automatically
* when the first component is requested from the brewery. But it's also
* possible to invoke start manually.</p>
*
* <p>This is different {@link Brewable#brew(Brewery)} because that method is
* called when the component is actually brewed into a beer (lazy initialization).</p>
*/
public interface Startable {
/** called when the brewery is started. */
void start(Brewery brewery);
}