Copyright (c) 2000, 2009 IBM Corporation and others.
This program and the accompanying materials
are made available under the terms of the Eclipse Public License 2.0
which accompanies this distribution, and is available at
https://www.eclipse.org/legal/epl-2.0/
SPDX-License-Identifier: EPL-2.0
Contributors:
    IBM Corporation - initial API and implementation
/*******************************************************************************
 * Copyright (c) 2000, 2009 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jdt.internal.core;

import org.eclipse.core.resources.IResourceStatus;
import org.eclipse.core.resources.IWorkspaceRunnable;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jdt.core.IJavaModelStatus;
import org.eclipse.jdt.core.JavaModelException;

An operation created as a result of a call to JavaCore.run(IWorkspaceRunnable, IProgressMonitor)
that encapsulates a user defined IWorkspaceRunnable.
/**
 * An operation created as a result of a call to JavaCore.run(IWorkspaceRunnable, IProgressMonitor)
 * that encapsulates a user defined IWorkspaceRunnable.
 */
public class BatchOperation extends JavaModelOperation {
	protected IWorkspaceRunnable runnable;
	public BatchOperation(IWorkspaceRunnable runnable) {
		this.runnable = runnable;
	}

	@Override
	protected boolean canModifyRoots() {
		// anything in the workspace runnable can modify the roots
		return true;
	}

	@Override
	protected void executeOperation() throws JavaModelException {
		try {
			this.runnable.run(this.progressMonitor);
		} catch (CoreException ce) {
			if (ce instanceof JavaModelException) {
				throw (JavaModelException)ce;
			} else {
				if (ce.getStatus().getCode() == IResourceStatus.OPERATION_FAILED) {
					Throwable e= ce.getStatus().getException();
					if (e instanceof JavaModelException) {
						throw (JavaModelException) e;
					}
				}
				throw new JavaModelException(ce);
			}
		}
	}

	@Override
	protected IJavaModelStatus verify() {
		// cannot verify user defined operation
		return JavaModelStatus.VERIFIED_OK;
	}


}