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/*******************************************************************************
* Copyright (c) 2004 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.wst.command.env.core.fragment;
import org.eclipse.wst.command.env.core.CommandFactory;
import org.eclipse.wst.command.env.core.data.DataMappingRegistry;
/**
* This interface describes a list of interruptable commands. The
* order of this list of commands is defined by the getFirstSubFragment and
* getNextSubFragment methods.
**/
public interface CommandFragment extends Cloneable
{
/**
*
* @return Returns a unique identifier for this fragment.
*/
public String getId();
/**
* Gets executable command associated with this fragment.
*
* @return returns the first child fragment for this fragment. Returns
* null when there is no first child.
**/
public CommandFactory getCommandFactory();
/**
* Gets the first child fragment for this fragment.
*
* @return returns the first child fragment for this fragment. Returns
* null when there is no first child.
**/
public CommandFragment getFirstSubFragment();
/**
* Gets the next child fragment for this fragment.
*
* @return returns the next child fragment for this fragment. Returns null
* when there is no next child.
**/
public CommandFragment getNextSubFragment( CommandFragment fragment );
/*
* This method is called to retrieve the data mappings for this command fragment.
*/
public void registerDataMappings( DataMappingRegistry registry );
/**
*
* @return If the commands for this fragment should not be run within a transaction then
* this method should return true. If the fragment does not care if it is run in a transaction
* or not it should return false.
*/
public boolean doNotRunInTransaction();
/**
* All wizard fragments need to be cloneable.
**/
public Object clone();
}
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