SQLStateChangeListener.java

/*
 * Copyright (c) 2010, Stanislav Muhametsin. All Rights Reserved.
 *
 * 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 org.qi4j.index.sql.internal;

import java.sql.SQLException;

import org.qi4j.api.injection.scope.Service;
import org.qi4j.api.unitofwork.UnitOfWorkException;
import org.qi4j.index.sql.support.api.SQLIndexing;
import org.qi4j.spi.entity.EntityState;
import org.qi4j.spi.entitystore.StateChangeListener;
import org.slf4j.LoggerFactory;

/**
 * @author Stanislav Muhametsin
 */
public class SQLStateChangeListener
    implements StateChangeListener
{

    @Service
    private SQLIndexing _indexing;

    public void notifyChanges( Iterable<EntityState> changedStates )
    {
        try
        {
            this._indexing.indexEntities( changedStates );
        }
        catch( SQLException sqle )
        {
            LoggerFactory.getLogger( this.getClass() ).error( "Error when indexing entities:\n" + sqle );
            SQLException e = sqle;
            while( e != null )
            {
                e.printStackTrace();
                e = e.getNextException();
            }

            // TODO is UoWException right one for this?
            throw new UnitOfWorkException( sqle );
        }
        catch( RuntimeException re )
        {
            throw re;
        }
    }
}