1 | /*
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2 | * Licensed to the Apache Software Foundation (ASF) under one or more
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3 | * contributor license agreements. See the NOTICE file distributed with
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4 | * this work for additional information regarding copyright ownership.
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5 | * The ASF licenses this file to You under the Apache License, Version 2.0
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6 | * (the "License"); you may not use this file except in compliance with
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7 | * the License. You may obtain a copy of the License at
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8 | *
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9 | * http://www.apache.org/licenses/LICENSE-2.0
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10 | *
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11 | * Unless required by applicable law or agreed to in writing, software
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12 | * distributed under the License is distributed on an "AS IS" BASIS,
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13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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14 | * See the License for the specific language governing permissions and
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15 | * limitations under the License.
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16 | */
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17 |
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18 | #ifndef _LOG4CXX_SPI_TRIGGERING_EVENT_EVALUATOR_H
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19 | #define _LOG4CXX_SPI_TRIGGERING_EVENT_EVALUATOR_H
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20 |
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21 | #include <log4cxx/spi/loggingevent.h>
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22 |
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23 | namespace log4cxx
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24 | {
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25 | namespace spi
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26 | {
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27 | /**
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28 | Implementions of this interface allow certain appenders to decide
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29 | when to perform an appender specific action.
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30 |
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31 | <p>For example the {@link net::SMTPAppender SMTPAppender} sends
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32 | an email when the #isTriggeringEvent method returns
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33 | <code>true</code> and adds the event to an internal buffer when the
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34 | returned result is <code>false</code>.
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35 |
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36 | */
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37 | class LOG4CXX_EXPORT TriggeringEventEvaluator : public virtual helpers::Object
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38 | {
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39 | public:
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40 | DECLARE_ABSTRACT_LOG4CXX_OBJECT(TriggeringEventEvaluator)
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41 | /**
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42 | Is this the triggering event?
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43 | */
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44 | virtual bool isTriggeringEvent(const spi::LoggingEventPtr& event) = 0;
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45 | };
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46 | LOG4CXX_PTR_DEF(TriggeringEventEvaluator);
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47 | }
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48 | }
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49 |
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50 | #endif // _LOG4CXX_SPI_TRIGGERING_EVENT_EVALUATOR_H
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