org.graylog2.filters.StreamMatcherFilter Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of graylog2-server Show documentation

Graylog

There is a newer version: 6.0.1

/*
 * Copyright (C) 2020 Graylog, Inc.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the Server Side Public License, version 1,
 * as published by MongoDB, Inc.
 *
 * 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
 * Server Side Public License for more details.
 *
 * You should have received a copy of the Server Side Public License
 * along with this program. If not, see
 * .
 */
package org.graylog2.filters;

import org.graylog2.plugin.Message;
import org.graylog2.plugin.filters.MessageFilter;
import org.graylog2.plugin.streams.Stream;
import org.graylog2.streams.StreamRouter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.inject.Inject;
import java.util.List;

public class StreamMatcherFilter implements MessageFilter {

    private static final Logger LOG = LoggerFactory.getLogger(StreamMatcherFilter.class);

    private final StreamRouter streamRouter;

    @Inject
    public StreamMatcherFilter(StreamRouter streamRouter) {
        this.streamRouter = streamRouter;
    }

    @Override
    public boolean filter(Message msg) {
        List streams = streamRouter.route(msg);
        msg.addStreams(streams);

        LOG.debug("Routed message <{}> to {} streams.", msg.getId(), streams.size());

        return false;
    }

    @Override
    public String getName() {
        return "StreamMatcher";
    }

    @Override
    public int getPriority() {
        // of the built-in filters this gets run last
        return 40;
    }

}