org.graylog2.streams.matchers.GreaterMatcher Maven / Gradle / Ivy
/*
* 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.streams.matchers;
import org.graylog2.plugin.Message;
import org.graylog2.plugin.streams.StreamRule;
import static org.graylog2.plugin.Tools.getDouble;
/**
* @author Lennart Koopmann
*/
public class GreaterMatcher implements StreamRuleMatcher {
@Override
public boolean match(Message msg, StreamRule rule) {
Double msgVal = getDouble(msg.getField(rule.getField()));
if (msgVal == null) {
return false;
}
Double ruleVal = getDouble(rule.getValue());
if (ruleVal == null) {
return false;
}
return rule.getInverted() ^ (msgVal > ruleVal);
}
}