org.jboss.deployers.spi.management.ContextStateMapper Maven / Gradle / Ivy
/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file 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.jboss.deployers.spi.management;
import java.util.Map;
import org.jboss.dependency.spi.ControllerState;
/**
* Basic state mapper.
*
* @author Emanuel Muckenhuber
* @version $Revision: 88968 $
*/
public class ContextStateMapper>
{
/** The state mappings. */
private Map mappings;
/** Installing state. */
private T installState;
/** Uninstalling state. */
private T uninstallState;
/** The unknown state. */
private T unknown;
/** The error state. */
private T error;
public ContextStateMapper(Map mappings,
T installState, T uninstallState, T error, T unknown)
{
this.mappings = mappings;
this.installState = installState;
this.uninstallState = uninstallState;
this.error = error;
this.unknown = unknown;
}
public T getErrorState()
{
return this.error;
}
public T map(ControllerState currentState, ControllerState toState)
{
// If the context is in the required state
if(toState == null || currentState.equals(toState))
return getMapping(currentState);
// The error state
if(ControllerState.ERROR.equals(currentState))
return error;
// installing state
if(ControllerState.INSTALLED.equals(toState))
return installState;
// uninstalling state
if(ControllerState.NOT_INSTALLED.equals(toState))
return uninstallState;
// Fallback
return getMapping(currentState);
}
protected T getMapping(ControllerState controllerState)
{
T state = unknown;
if(controllerState != null)
state = mappings.get(controllerState.getStateString());
return state;
}
}