[89] | 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 | #if !defined(_LOG4CXX_ROLLING_ROLLING_POLICY_H)
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| 19 | #define _LOG4CXX_ROLLING_ROLLING_POLICY_H
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| 20 |
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| 21 | #include <log4cxx/portability.h>
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| 22 | #include <log4cxx/spi/optionhandler.h>
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| 23 | #include <log4cxx/rolling/rolloverdescription.h>
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| 24 | #include <log4cxx/file.h>
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| 25 |
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| 26 | namespace log4cxx {
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| 27 | namespace rolling {
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| 28 |
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| 29 |
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| 30 | /**
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| 31 | * A <code>RollingPolicy</code> is responsible for performing the
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| 32 | * rolling over of the active log file. The <code>RollingPolicy</code>
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| 33 | * is also responsible for providing the <em>active log file</em>,
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| 34 | * that is the live file where logging output will be directed.
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| 35 | *
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| 36 | *
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| 37 | *
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| 38 | *
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| 39 | */
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| 40 | class LOG4CXX_EXPORT RollingPolicy :
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| 41 | public virtual spi::OptionHandler {
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| 42 | DECLARE_ABSTRACT_LOG4CXX_OBJECT(RollingPolicy)
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| 43 |
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| 44 | public:
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| 45 | virtual ~RollingPolicy() {}
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| 46 | /**
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| 47 | * Initialize the policy and return any initial actions for rolling file appender.
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| 48 | *
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| 49 | * @param file current value of RollingFileAppender.getFile().
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| 50 | * @param append current value of RollingFileAppender.getAppend().
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| 51 | * @param p pool for memory allocations during call.
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| 52 | * @return Description of the initialization, may be null to indicate
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| 53 | * no initialization needed.
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| 54 | * @throws SecurityException if denied access to log files.
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| 55 | */
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| 56 | virtual RolloverDescriptionPtr initialize(
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| 57 | const LogString& file,
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| 58 | const bool append,
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| 59 | log4cxx::helpers::Pool& p) = 0;
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| 60 |
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| 61 | /**
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| 62 | * Prepare for a rollover. This method is called prior to
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| 63 | * closing the active log file, performs any necessary
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| 64 | * preliminary actions and describes actions needed
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| 65 | * after close of current log file.
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| 66 | *
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| 67 | * @param activeFile file name for current active log file.
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| 68 | * @param p pool for memory allocations during call.
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| 69 | * @return Description of pending rollover, may be null to indicate no rollover
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| 70 | * at this time.
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| 71 | * @throws SecurityException if denied access to log files.
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| 72 | */
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| 73 | virtual RolloverDescriptionPtr rollover(const LogString& activeFile,
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| 74 | log4cxx::helpers::Pool& p) = 0;
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| 75 | };
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| 76 |
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| 77 | LOG4CXX_PTR_DEF(RollingPolicy);
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| 78 |
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| 79 | }
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| 80 | }
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| 81 | #endif
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| 82 |
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