/*
|
* JBoss, Home of Professional Open Source
|
* Copyright 2005, JBoss Inc., and individual contributors as indicated
|
* by the @authors tag. See the copyright.txt in the distribution for a
|
* full listing of individual contributors.
|
*
|
* This is free software; you can redistribute it and/or modify it
|
* under the terms of the GNU Lesser General Public License as
|
* published by the Free Software Foundation; either version 2.1 of
|
* the License, or (at your option) any later version.
|
*
|
* This software is distributed in the hope that it will be useful,
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
* Lesser General Public License for more details.
|
*
|
* You should have received a copy of the GNU Lesser General Public
|
* License along with this software; if not, write to the Free
|
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
|
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
|
*/
|
package org.jbpm.api.cmd;
|
|
/** exposes configured process engine scope objects and
|
* transaction scope objects {@link Command to command implementations}.
|
*
|
* @author Tom Baeyens
|
*/
|
public interface Environment {
|
|
/**
|
* searches a named object in all the contexts in the default search order.
|
* @return the object if it exists in the environment, <code>null</code> if there is no object with the given name in the environment.
|
*/
|
public abstract Object get(String name);
|
|
/** searches an object based on type. The search doesn take superclasses of the context elements
|
* into account.
|
* @return the first object of the given type or null in case no such element was found.
|
*/
|
public abstract <T> T get(Class<T> type);
|
|
}
|