/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2014, Red Hat, Inc. and/or its affiliates or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat, Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.search.batchindexing.impl;
import org.hibernate.search.engine.spi.SearchFactoryImplementor;
import org.hibernate.search.exception.ErrorHandler;
import org.hibernate.search.util.logging.impl.Log;
import org.hibernate.search.util.logging.impl.LoggerFactory;
/**
* Common parent of all Runnable implementations for the batch indexing:
* share the code for handling runtime exceptions.
*/
abstract class ErrorHandledRunnable implements Runnable {
private static final Log log = LoggerFactory.make();
protected final SearchFactoryImplementor searchFactoryImplementor;
protected ErrorHandledRunnable(SearchFactoryImplementor searchFactoryImplementor) {
this.searchFactoryImplementor = searchFactoryImplementor;
}
@Override
public final void run() {
ErrorHandler errorHandler = searchFactoryImplementor.getErrorHandler();
try {
runWithErrorHandler();
}
catch (Exception re) {
//being this an async thread we want to make sure everything is somehow reported
errorHandler.handleException( log.massIndexerUnexpectedErrorMessage() , re );
cleanUpOnError();
}
}
protected abstract void runWithErrorHandler() throws Exception;
protected void cleanUpOnError() {
//no-op unless overridden
}
}