sirius.search.OptimisticLockTracer Maven / Gradle / Ivy

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Provides a thin layer above Elasticsearch (Fluent Query API, Automatic Mapping, Utilities)

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/*
 * Made with all the love in the world
 * by scireum in Remshalden, Germany
 *
 * Copyright by scireum GmbH
 * http://www.scireum.de - [email protected]
 */

package sirius.search;

import sirius.kernel.async.Tasks;
import sirius.kernel.di.std.Part;
import sirius.kernel.di.std.Register;
import sirius.kernel.timer.EveryTenSeconds;

/**
 * Removes outdated traces used to discover optimistic lock errors
 */
@Register
public class OptimisticLockTracer implements EveryTenSeconds {

    @Part
    private Tasks tasks;

    @Part
    private IndexAccess index;

    @Override
    public void runTimer() throws Exception {
        if (index.traceOptimisticLockErrors) {
            tasks.defaultExecutor().fork(this::cleanOldRecordings);
        }
    }

    private void cleanOldRecordings() {
        long limit = System.currentTimeMillis() - 10_000;
        index.traces.values().removeIf(indexTrace -> indexTrace.timestamp < limit);
    }
}