/**
* Copyright (c) 2010-2014, openHAB.org 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
*/
package org.openhab.core.persistence.internal;
import org.eclipse.emf.ecore.EObject;
import org.openhab.core.items.Item;
import org.openhab.core.persistence.PersistenceService;
import org.openhab.model.core.ModelRepository;
import org.openhab.model.persistence.persistence.PersistenceConfiguration;
import org.openhab.model.persistence.persistence.PersistenceModel;
import org.openhab.model.persistence.persistence.Strategy;
import org.quartz.Job;
import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Implementation of Quartz {@link Job}-Interface. It takes a PersistenceModel and a CronStrategy,
* scans through the relevant configurations and persists the concerned items.
*
* @author Kai Kreuzer
* @since 1.0.0
*/
public class PersistItemsJob implements Job {
private static final Logger logger = LoggerFactory.getLogger(PersistItemsJob.class);
public static final String JOB_DATA_PERSISTMODEL = "model";
public static final String JOB_DATA_STRATEGYNAME = "strategy";
public void execute(JobExecutionContext context) throws JobExecutionException {
String modelName = (String) context.getJobDetail().getJobDataMap().get(JOB_DATA_PERSISTMODEL);
String strategyName = (String) context.getJobDetail().getJobDataMap().get(JOB_DATA_STRATEGYNAME);
PersistenceManager persistenceManager = PersistenceManager.getInstance();
if(persistenceManager!=null) {
ModelRepository modelRepository = persistenceManager.modelRepository;
PersistenceService persistenceService = persistenceManager.persistenceServices.get(modelName);
if(modelRepository!=null && persistenceService!=null) {
EObject model = modelRepository.getModel(modelName + ".persist");
if (model instanceof PersistenceModel) {
PersistenceModel persistModel = (PersistenceModel) model;
for(PersistenceConfiguration config : persistModel.getConfigs()) {
if(hasStrategy(persistModel, config, strategyName)) {
for(Item item : persistenceManager.getAllItems(config)) {
long startTime = System.currentTimeMillis();
persistenceService.store(item, config.getAlias());
logger.trace("Storing item '{}' with persistence service '{}' took {}ms",
new Object[] { item.getName(), modelName, System.currentTimeMillis() - startTime});
}
}
}
} else {
logger.debug("Persistence file '{}' does not exist", modelName);
}
}
} else {
logger.warn("Persistence manager is not available!");
}
}
private boolean hasStrategy(PersistenceModel persistModel, PersistenceConfiguration config, String strategyName) {
// check if the strategy is directly defined on the config
for(Strategy strategy : config.getStrategies()) {
if(strategy.getName().equals(strategyName)) return true;
}
// if no strategies are given, check the default strategies to use
if(config.getStrategies().isEmpty() && isDefault(persistModel, strategyName)) {
return true;
}
return false;
}
private boolean isDefault(PersistenceModel persistModel, String strategyName) {
for (Strategy strategy : persistModel.getDefaults()) {
if(strategy.getName().equals(strategyName)) {
return true;
}
}
return false;
}
}