| /******************************************************************************* |
| * Copyright (c) 2003, 2005 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.common.frameworks.datamodel; |
| |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| import org.eclipse.core.commands.ExecutionException; |
| import org.eclipse.core.commands.operations.AbstractOperation; |
| import org.eclipse.core.resources.IWorkspace; |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.core.runtime.jobs.ISchedulingRule; |
| import org.eclipse.wst.common.environment.IEnvironment; |
| |
| /** |
| * Abstract implementation for an IDataModelOperation. |
| * |
| * @see org.eclipse.wst.common.frameworks.datamodel.IDataModelOperation |
| * |
| * @since 1.0 |
| */ |
| public abstract class AbstractDataModelOperation extends AbstractOperation implements IDataModelOperation { |
| |
| /** |
| * Convenience IStatus.OK. |
| */ |
| protected static final IStatus OK_STATUS = IDataModelProvider.OK_STATUS; |
| |
| private String id; |
| private IEnvironment environment; |
| |
| /** |
| * The IDataModel used by this IDataModelOperation |
| */ |
| protected IDataModel model; |
| |
| /** |
| * Default constructor. |
| */ |
| public AbstractDataModelOperation() { |
| super(""); //$NON-NLS-1$ |
| this.id = getClass().getName(); |
| } |
| |
| /** |
| * Constructor taking an IDataModel |
| * |
| * @param model |
| * the IDataModel used to drive this operation |
| */ |
| public AbstractDataModelOperation(IDataModel model) { |
| super(""); //$NON-NLS-1$ // TODO add a label property to IDataModel??? |
| this.model = model; |
| this.id = getClass().getName(); |
| } |
| |
| /** |
| * Default implementation of setID(). |
| * |
| * @see IDataModelOperation#setID(String) |
| */ |
| public void setID(String id) { |
| this.id = id; |
| } |
| |
| /** |
| * Default implementation of getID(). |
| * |
| * @see IDataModelOperation#getID() |
| */ |
| public String getID() { |
| return id; |
| } |
| |
| /** |
| * Default implementation of setDataModel() |
| * |
| * @see IDataModelOperation#setDataModel(IDataModel) |
| */ |
| public void setDataModel(IDataModel model) { |
| this.model = model; |
| } |
| |
| /** |
| * Default implementation of getDataModel() |
| * |
| * @see IDataModelOperation#getDataModel() |
| */ |
| public IDataModel getDataModel() { |
| return model; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.wst.common.frameworks.datamodel.IDataModelOperation#getDataModelIDs() |
| */ |
| public Set getDataModelIDs() { |
| return new HashSet(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.wst.common.frameworks.datamodel.IDataModelOperation#getSchedulingRule() |
| */ |
| public ISchedulingRule getSchedulingRule() { |
| return null; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.wst.common.frameworks.datamodel.IDataModelOperation#getOperationExecutionFlags() |
| */ |
| public int getOperationExecutionFlags() { |
| return IWorkspace.AVOID_UPDATE; |
| } |
| |
| /** |
| * The framework will set the environment on this operation |
| * before it is executed. The operation can then use the |
| * environment to report status, log information, and access |
| * resources in an environment neutral way. |
| */ |
| public final void setEnvironment(IEnvironment env) { |
| environment = env; |
| } |
| |
| /** |
| * An operation can call this method to get the environment |
| * that has been set by the operations framework. |
| * @return returns an environment. |
| */ |
| public final IEnvironment getEnvironment() { |
| return environment; |
| } |
| |
| /** |
| * An operation can specify a list of operations that should run |
| * before this operation. Subclasses can override this method to |
| * provide these operations. The operations provided will be |
| * executed in the order specified in the list. |
| * @return returns a list of data model operations or null. |
| * Null indicates that there are no pre operations. |
| */ |
| public List getPreOperations() |
| { |
| return null; |
| } |
| |
| /** |
| * An operation can specify a list of operations that should run |
| * after this operation. Subclasses can override this method to |
| * provide these operations. The operations provided will be |
| * executed in the order specified in the list. |
| * @return returns a list of data model operations or null. |
| * Null indicates that there are no post operations. |
| */ |
| public List getPostOperations() |
| { |
| return null; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.core.commands.operations.IUndoableOperation#redo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable) |
| */ |
| public IStatus redo(IProgressMonitor monitor, IAdaptable info) throws ExecutionException { |
| return Status.OK_STATUS; |
| } |
| |
| public IStatus undo(IProgressMonitor monitor, IAdaptable info) throws ExecutionException { |
| return Status.OK_STATUS; |
| } |
| } |