org.drools.task.service.responsehandlers.BlockingTaskSummaryResponseHandler Maven / Gradle / Ivy

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package org.drools.task.service.responsehandlers;

import org.drools.task.query.TaskSummary;
import org.drools.task.service.TaskClientHandler.TaskSummaryResponseHandler;

import java.util.List;

public class BlockingTaskSummaryResponseHandler extends AbstractBlockingResponseHandler implements TaskSummaryResponseHandler {

    private static final int RESULTS_WAIT_TIME = 10000;

    private volatile List results;

    public synchronized void execute(List results) {
        this.results = results;
        setDone(true);
    }

    public List getResults() {
        // note that this method doesn't need to be synced because if waitTillDone returns true,
        // it means results is available 
        boolean done = waitTillDone(RESULTS_WAIT_TIME);

        if (!done) {
            throw new RuntimeException("Timeout : unable to retrieve results");
        }

        return results;
    }

}