/**
* Copyright (C) 2015 Valkyrie RCP
*
* 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 org.valkyriercp.command;
import org.valkyriercp.command.support.ActionCommand;
/**
* Implementations of this interface can be assigned to an action command to
* intercept command execution.
*
* @author Keith Donald, Mathias Broekelmann
*/
public interface ActionCommandInterceptor {
/**
* Will be called before the action command is executed.
*
* @param command
* the action command which gets executed
* @return If false the action command and any subsequent action command
* interceptor will not get executed. If true the action command
* will be executed.
*/
public boolean preExecution(ActionCommand command);
/**
* Will be called after successfull execution of an action command.
*
* @param command
* the action command which was executed.
*/
public void postExecution(ActionCommand command);
}