/*   
 * Copyright 2009 O'Reilly Media, Inc
 *
 *  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 com.oreilly.rdf.tenuki;

import com.hp.hpl.jena.rdf.model.Model;

public class ChangesetHandler {
	
	private Model model;

	/**
	 * @param model to apply changesets too
	 */
	public ChangesetHandler(Model model) {
		this.model = model;
	}
	
	public void applyChangeset(Changeset changeset) {
		try {
			model.begin();
			model.remove(changeset.toRemove());
			model.add(changeset.toAdd());
		} catch (RuntimeException e) {
			try {
			model.abort();
			} catch (UnsupportedOperationException e1) {
				//
			}
			throw e;
		}
		model.commit();
	}
}

/*   
 * Copyright 2009 O'Reilly Media, Inc
 *
 *  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 com.oreilly.rdf.tenuki;

import com.hp.hpl.jena.rdf.model.Model;

public class ChangesetHandler {
	
	private Model model;

	/**
	 * @param model to apply changesets too
	 */
	public ChangesetHandler(Model model) {
		this.model = model;
	}
	
	public void applyChangeset(Changeset changeset) {
		try {
			model.begin();
			model.remove(changeset.toRemove());
			model.add(changeset.toAdd());
			model.commit();
		} catch (RuntimeException e) {
			try {
			model.abort();
			} catch (UnsupportedOperationException e1) {
				//
			}
			throw e;
		}
	}
}

Move commit into try