species-products-discovery/src/main/java/org/gcube/data/spd/manager/search/workers/UnfolderWorker.java

45 lines
1.3 KiB
Java

package org.gcube.data.spd.manager.search.workers;
import org.gcube.data.spd.exception.MaxRetriesReachedException;
import org.gcube.data.spd.manager.search.Worker;
import org.gcube.data.spd.model.exceptions.ExternalRepositoryException;
import org.gcube.data.spd.model.exceptions.StreamBlockingException;
import org.gcube.data.spd.plugin.fwk.AbstractPlugin;
import org.gcube.data.spd.plugin.fwk.writers.ClosableWriter;
import org.gcube.data.spd.plugin.fwk.writers.ObjectWriter;
import org.gcube.data.spd.utils.QueryRetryCall;
import org.gcube.data.spd.utils.VOID;
public class UnfolderWorker extends Worker<String, String>{
private AbstractPlugin plugin;
public UnfolderWorker(ClosableWriter<String> writer, AbstractPlugin plugin) {
super(writer);
this.plugin = plugin;
}
@Override
protected void execute(final String item, final ObjectWriter<String> outputWriter) {
outputWriter.write(item);
try {
new QueryRetryCall(){
@Override
protected VOID execute() throws ExternalRepositoryException {
plugin.getUnfoldInterface().unfold(outputWriter, item);
return VOID.instance();
}
}.call();
} catch (MaxRetriesReachedException e) {
logger.error("error executing unfolding",e);
outputWriter.write(new StreamBlockingException(plugin.getRepositoryName()));
}
}
}