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Posted to commits@camel.apache.org by bu...@apache.org on 2012/05/04 16:21:23 UTC

svn commit: r815763 - in /websites/production/camel/content: book-component-appendix.html book-in-one-page.html cache/main.pageCache file2.html

Author: buildbot
Date: Fri May  4 14:21:23 2012
New Revision: 815763

Log:
Production update by buildbot for camel

Modified:
    websites/production/camel/content/book-component-appendix.html
    websites/production/camel/content/book-in-one-page.html
    websites/production/camel/content/cache/main.pageCache
    websites/production/camel/content/file2.html

Modified: websites/production/camel/content/book-component-appendix.html
==============================================================================
--- websites/production/camel/content/book-component-appendix.html (original)
+++ websites/production/camel/content/book-component-appendix.html Fri May  4 14:21:23 2012
@@ -3652,7 +3652,7 @@ Also, the starting directory must not co
 This option provides the build in strategies: 
 <br clear="none" class="atl-forced-newline"> <tt>markerFile</tt> Camel creates a marker file and then holds a lock on it. This option is <b>not</b> available for the <a shape="rect" href="ftp2.html" title="FTP2">FTP</a> component.
 <br clear="none" class="atl-forced-newline"> <tt>changed</tt> is using file length/modification timestamp to detect whether the file is currently being copied or not. Will at least use 1 sec. to determine this, so this option cannot consume files as fast as the others, but can be more reliable as the JDK IO API cannot always determine whether a file is currently being used by another process. This option is <b>only</b> avail for the <a shape="rect" href="ftp2.html" title="FTP2">FTP</a> component from <b>Camel 2.8</b> onwards. 
-<br clear="none" class="atl-forced-newline"> <tt>fileLock</tt> is for using <tt>java.nio.channels.FileLock</tt>. This option is <b>not</b> avail for the <a shape="rect" href="ftp2.html" title="FTP2">FTP</a> component.
+<br clear="none" class="atl-forced-newline"> <tt>fileLock</tt> is for using <tt>java.nio.channels.FileLock</tt>. This option is <b>not</b> avail for the <a shape="rect" href="ftp2.html" title="FTP2">FTP</a> component. This approach should be avoided when accessing a remote file system via a mount/share unless that file system supports distributed file locks.
 <br clear="none" class="atl-forced-newline"> <tt>rename</tt> is for using a try to rename the file as a test if we can get exclusive read-lock.
 <br clear="none" class="atl-forced-newline"> <tt>none</tt> is for no read locks at all.</td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> <tt>readLockTimeout</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"><ul class="alternate" type="square"><li></li></ul>
 </td><td colspan="1" rowspan="1" class="confluenceTd"> Optional timeout in millis for the read-lock, if supported by the read-lock. If the read-lock could not be granted and the timeout triggered, then Camel will skip the file. At next poll Camel, will try the file again, and this time maybe the read-lock could be granted. Use a value of 0 or lower to indicate forever. In <b>Camel 2.0</b> the default value is 0. In <b>Camel 2.1</b> the default value is 10000. Currently <tt>fileLock</tt>, <tt>changed</tt> and <tt>rename</tt> support the timeout. For <a shape="rect" href="ftp2.html" title="FTP2">FTP</a> the default <tt>readLockTimeout</tt> value is 20000. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> <tt>readLockCheckInterval</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <tt>1000</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <b>Camel 2.6:</b> Interval in millis for the read-lock, if supported by the read lock. This interval is used
  for sleeping between attempts to acquire the read lock. For example when using the <tt>changed</tt> read lock, you can set a higher interval period to cater for <em>slow writes</em>. The default of 1 sec. may be <em>too fast</em> if the producer is very slow writing the file. For <a shape="rect" href="ftp2.html" title="FTP2">FTP</a> the default <tt>readLockCheckInterval</tt> is <tt>5000</tt>. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> <tt>directoryMustExist</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <tt>false</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <b>Camel 2.5:</b> Similar to <tt>startingDirectoryMustExist</tt> but this applies during polling recursive sub directories. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> <tt>doneFileName</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <tt>null</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <b>Camel 2.6:</b> If provided, Camel will
  only consume files if a <em>done</em> file exists. This option configures what file name to use. Either you can specify a fixed name. Or you can use dynamic placeholders. The <em>done</em> file is <b>always</b> expected in the same folder as the original file. See <em>using done file</em> and <em>writing done file</em> sections for examples. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> <tt>exclusiveReadLockStrategy</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <tt>null</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> Pluggable read-lock as a <tt>org.apache.camel.component.file.GenericFileExclusiveReadLockStrategy</tt> implementation. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> <tt>maxMessagesPerPoll</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <tt>0</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> An integer to define a maximum messages to gather per poll. By default no maximum is set.
  Can be used to set a limit of e.g. 1000 to avoid when starting up the server that there are thousands of files. Set a value of 0 or negative to disabled it. See more details at <a shape="rect" href="batch-consumer.html" title="Batch Consumer">Batch Consumer</a>. <b>Notice:</b> If this option is in use then the <a shape="rect" href="file2.html" title="File2">File</a> and <a shape="rect" href="ftp2.html" title="FTP2">FTP</a> components will limit <b>before</b> any sorting. For example if you have 100000 files and use <tt>maxMessagesPerPoll=500</tt>, then only the first 500 files will be picked up, and then sorted. You can use the <tt>eagerMaxMessagesPerPoll</tt> option and set this to <tt>false</tt> to allow to scan all files first and then sort afterwards. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> <tt>eagerMaxMessagesPerPoll</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <tt>true</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <
 b>Camel 2.9.3:</b> Allows to control whether the limit from <tt>maxMessagesPerPoll</tt> is eager or not. If eager then the limit is during the scanning of files. Where as <tt>false</tt> would scan all files, and then perform sorting. Setting this option to <tt>false</tt> allows to sort all files first, and then limit the poll. Mind that this requires a higher memory usage as all file details are in memory to perform the sorting. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> <tt>minDepth</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> 0 </td><td colspan="1" rowspan="1" class="confluenceTd"> <b>Camel 2.8</b>: The minimum depth to start processing when recursively processing a directory. Using <tt>minDepth=1</tt> means the base directory. Using <tt>minDepth=2</tt> means the first sub directory. This option is supported by <a shape="rect" href="ftp2.html" title="FTP2">FTP</a> consumer from <b>Camel 2.8.2, 2.9</b> onwards. </td></tr><tr><td colspan="
 1" rowspan="1" class="confluenceTd"> <tt>maxDepth</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <tt>Integer.MAX_VALUE</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <b>Camel 2.8:</b> The maximum depth to traverse when recursively processing a directory. This option is supported by <a shape="rect" href="ftp2.html" title="FTP2">FTP</a> consumer from <b>Camel 2.8.2, 2.9</b> onwards. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> <tt>processStrategy</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <tt>null</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> A pluggable <tt>org.apache.camel.component.file.GenericFileProcessStrategy</tt> allowing you to implement your own <tt>readLock</tt> option or similar. Can also be used when special conditions must be met before a file can be consumed, such as a special <em>ready</em> file exists. If this option is set then the <tt>readLock</tt> option does not apply. </td></tr><t
 r><td colspan="1" rowspan="1" class="confluenceTd"> <tt>startingDirectoryMustExist</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <tt>false</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <b>Camel 2.5:</b> Whether the starting directory must exist. Mind that the <tt>autoCreate</tt> option is default enabled, which means the starting directory is normally auto created if it doesn't exist. You can disable <tt>autoCreate</tt> and enable this to ensure the starting directory must exist. Will thrown an exception if the directory doesn't exist. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> <tt>pollStrategy</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <tt>null</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <b>Camel 2.0:</b> A pluggable <tt>org.apache.camel.PollingConsumerPollStrategy</tt> allowing you to provide your custom implementation to control error handling usually occurred during the <tt>poll</tt> operat
 ion <b>before</b> an <a shape="rect" href="exchange.html" title="Exchange">Exchange</a> have been created and being routed in Camel. In other words the error occurred while the polling was gathering information, for instance access to a file network failed so Camel cannot access it to scan for files. The default implementation will log the caused exception at <tt>WARN</tt> level and ignore it. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> <tt>sendEmptyMessageWhenIdle</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <tt>false</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <b>Camel 2.9:</b> If the polling consumer did not poll any files, you can enable this option to send an empty message (no body) instead. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> <tt>consumer.bridgeErrorHandler</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <tt>false</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <b>Cam
 el 2.10:</b> Allows to bridge the consumer to the Camel routing <a shape="rect" href="error-handler.html" title="Error Handler">Error Handler</a>, which mean any exceptions occurred while trying to pickup files, or the likes, will now be processed as a message and handled by the routing <a shape="rect" href="error-handler.html" title="Error Handler">Error Handler</a>. By default the consumer will use the <tt>org.apache.camel.spi.ExceptionHandler</tt> to deal with exceptions, that by default will be logged at WARN/ERROR level and ignored. See further below on this page fore more details, at section <em>How to use the Camel error handler to deal with exceptions triggered outside the routing engine</em>. </td></tr></tbody></table>

Modified: websites/production/camel/content/book-in-one-page.html
==============================================================================
--- websites/production/camel/content/book-in-one-page.html (original)
+++ websites/production/camel/content/book-in-one-page.html Fri May  4 14:21:23 2012
@@ -24040,7 +24040,7 @@ Also, the starting directory must not co
 This option provides the build in strategies: 
 <br clear="none" class="atl-forced-newline"> <tt>markerFile</tt> Camel creates a marker file and then holds a lock on it. This option is <b>not</b> available for the <a shape="rect" href="ftp2.html" title="FTP2">FTP</a> component.
 <br clear="none" class="atl-forced-newline"> <tt>changed</tt> is using file length/modification timestamp to detect whether the file is currently being copied or not. Will at least use 1 sec. to determine this, so this option cannot consume files as fast as the others, but can be more reliable as the JDK IO API cannot always determine whether a file is currently being used by another process. This option is <b>only</b> avail for the <a shape="rect" href="ftp2.html" title="FTP2">FTP</a> component from <b>Camel 2.8</b> onwards. 
-<br clear="none" class="atl-forced-newline"> <tt>fileLock</tt> is for using <tt>java.nio.channels.FileLock</tt>. This option is <b>not</b> avail for the <a shape="rect" href="ftp2.html" title="FTP2">FTP</a> component.
+<br clear="none" class="atl-forced-newline"> <tt>fileLock</tt> is for using <tt>java.nio.channels.FileLock</tt>. This option is <b>not</b> avail for the <a shape="rect" href="ftp2.html" title="FTP2">FTP</a> component. This approach should be avoided when accessing a remote file system via a mount/share unless that file system supports distributed file locks.
 <br clear="none" class="atl-forced-newline"> <tt>rename</tt> is for using a try to rename the file as a test if we can get exclusive read-lock.
 <br clear="none" class="atl-forced-newline"> <tt>none</tt> is for no read locks at all.</td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> <tt>readLockTimeout</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"><ul class="alternate" type="square"><li></li></ul>
 </td><td colspan="1" rowspan="1" class="confluenceTd"> Optional timeout in millis for the read-lock, if supported by the read-lock. If the read-lock could not be granted and the timeout triggered, then Camel will skip the file. At next poll Camel, will try the file again, and this time maybe the read-lock could be granted. Use a value of 0 or lower to indicate forever. In <b>Camel 2.0</b> the default value is 0. In <b>Camel 2.1</b> the default value is 10000. Currently <tt>fileLock</tt>, <tt>changed</tt> and <tt>rename</tt> support the timeout. For <a shape="rect" href="ftp2.html" title="FTP2">FTP</a> the default <tt>readLockTimeout</tt> value is 20000. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> <tt>readLockCheckInterval</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <tt>1000</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <b>Camel 2.6:</b> Interval in millis for the read-lock, if supported by the read lock. This interval is used
  for sleeping between attempts to acquire the read lock. For example when using the <tt>changed</tt> read lock, you can set a higher interval period to cater for <em>slow writes</em>. The default of 1 sec. may be <em>too fast</em> if the producer is very slow writing the file. For <a shape="rect" href="ftp2.html" title="FTP2">FTP</a> the default <tt>readLockCheckInterval</tt> is <tt>5000</tt>. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> <tt>directoryMustExist</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <tt>false</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <b>Camel 2.5:</b> Similar to <tt>startingDirectoryMustExist</tt> but this applies during polling recursive sub directories. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> <tt>doneFileName</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <tt>null</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <b>Camel 2.6:</b> If provided, Camel will
  only consume files if a <em>done</em> file exists. This option configures what file name to use. Either you can specify a fixed name. Or you can use dynamic placeholders. The <em>done</em> file is <b>always</b> expected in the same folder as the original file. See <em>using done file</em> and <em>writing done file</em> sections for examples. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> <tt>exclusiveReadLockStrategy</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <tt>null</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> Pluggable read-lock as a <tt>org.apache.camel.component.file.GenericFileExclusiveReadLockStrategy</tt> implementation. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> <tt>maxMessagesPerPoll</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <tt>0</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> An integer to define a maximum messages to gather per poll. By default no maximum is set.
  Can be used to set a limit of e.g. 1000 to avoid when starting up the server that there are thousands of files. Set a value of 0 or negative to disabled it. See more details at <a shape="rect" href="batch-consumer.html" title="Batch Consumer">Batch Consumer</a>. <b>Notice:</b> If this option is in use then the <a shape="rect" href="file2.html" title="File2">File</a> and <a shape="rect" href="ftp2.html" title="FTP2">FTP</a> components will limit <b>before</b> any sorting. For example if you have 100000 files and use <tt>maxMessagesPerPoll=500</tt>, then only the first 500 files will be picked up, and then sorted. You can use the <tt>eagerMaxMessagesPerPoll</tt> option and set this to <tt>false</tt> to allow to scan all files first and then sort afterwards. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> <tt>eagerMaxMessagesPerPoll</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <tt>true</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <
 b>Camel 2.9.3:</b> Allows to control whether the limit from <tt>maxMessagesPerPoll</tt> is eager or not. If eager then the limit is during the scanning of files. Where as <tt>false</tt> would scan all files, and then perform sorting. Setting this option to <tt>false</tt> allows to sort all files first, and then limit the poll. Mind that this requires a higher memory usage as all file details are in memory to perform the sorting. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> <tt>minDepth</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> 0 </td><td colspan="1" rowspan="1" class="confluenceTd"> <b>Camel 2.8</b>: The minimum depth to start processing when recursively processing a directory. Using <tt>minDepth=1</tt> means the base directory. Using <tt>minDepth=2</tt> means the first sub directory. This option is supported by <a shape="rect" href="ftp2.html" title="FTP2">FTP</a> consumer from <b>Camel 2.8.2, 2.9</b> onwards. </td></tr><tr><td colspan="
 1" rowspan="1" class="confluenceTd"> <tt>maxDepth</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <tt>Integer.MAX_VALUE</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <b>Camel 2.8:</b> The maximum depth to traverse when recursively processing a directory. This option is supported by <a shape="rect" href="ftp2.html" title="FTP2">FTP</a> consumer from <b>Camel 2.8.2, 2.9</b> onwards. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> <tt>processStrategy</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <tt>null</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> A pluggable <tt>org.apache.camel.component.file.GenericFileProcessStrategy</tt> allowing you to implement your own <tt>readLock</tt> option or similar. Can also be used when special conditions must be met before a file can be consumed, such as a special <em>ready</em> file exists. If this option is set then the <tt>readLock</tt> option does not apply. </td></tr><t
 r><td colspan="1" rowspan="1" class="confluenceTd"> <tt>startingDirectoryMustExist</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <tt>false</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <b>Camel 2.5:</b> Whether the starting directory must exist. Mind that the <tt>autoCreate</tt> option is default enabled, which means the starting directory is normally auto created if it doesn't exist. You can disable <tt>autoCreate</tt> and enable this to ensure the starting directory must exist. Will thrown an exception if the directory doesn't exist. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> <tt>pollStrategy</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <tt>null</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <b>Camel 2.0:</b> A pluggable <tt>org.apache.camel.PollingConsumerPollStrategy</tt> allowing you to provide your custom implementation to control error handling usually occurred during the <tt>poll</tt> operat
 ion <b>before</b> an <a shape="rect" href="exchange.html" title="Exchange">Exchange</a> have been created and being routed in Camel. In other words the error occurred while the polling was gathering information, for instance access to a file network failed so Camel cannot access it to scan for files. The default implementation will log the caused exception at <tt>WARN</tt> level and ignore it. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> <tt>sendEmptyMessageWhenIdle</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <tt>false</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <b>Camel 2.9:</b> If the polling consumer did not poll any files, you can enable this option to send an empty message (no body) instead. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> <tt>consumer.bridgeErrorHandler</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <tt>false</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <b>Cam
 el 2.10:</b> Allows to bridge the consumer to the Camel routing <a shape="rect" href="error-handler.html" title="Error Handler">Error Handler</a>, which mean any exceptions occurred while trying to pickup files, or the likes, will now be processed as a message and handled by the routing <a shape="rect" href="error-handler.html" title="Error Handler">Error Handler</a>. By default the consumer will use the <tt>org.apache.camel.spi.ExceptionHandler</tt> to deal with exceptions, that by default will be logged at WARN/ERROR level and ignored. See further below on this page fore more details, at section <em>How to use the Camel error handler to deal with exceptions triggered outside the routing engine</em>. </td></tr></tbody></table>

Modified: websites/production/camel/content/cache/main.pageCache
==============================================================================
Binary files - no diff available.

Modified: websites/production/camel/content/file2.html
==============================================================================
--- websites/production/camel/content/file2.html (original)
+++ websites/production/camel/content/file2.html Fri May  4 14:21:23 2012
@@ -119,7 +119,7 @@ Also, the starting directory must not co
 This option provides the build in strategies: 
 <br clear="none" class="atl-forced-newline"> <tt>markerFile</tt> Camel creates a marker file and then holds a lock on it. This option is <b>not</b> available for the <a shape="rect" href="ftp2.html" title="FTP2">FTP</a> component.
 <br clear="none" class="atl-forced-newline"> <tt>changed</tt> is using file length/modification timestamp to detect whether the file is currently being copied or not. Will at least use 1 sec. to determine this, so this option cannot consume files as fast as the others, but can be more reliable as the JDK IO API cannot always determine whether a file is currently being used by another process. This option is <b>only</b> avail for the <a shape="rect" href="ftp2.html" title="FTP2">FTP</a> component from <b>Camel 2.8</b> onwards. 
-<br clear="none" class="atl-forced-newline"> <tt>fileLock</tt> is for using <tt>java.nio.channels.FileLock</tt>. This option is <b>not</b> avail for the <a shape="rect" href="ftp2.html" title="FTP2">FTP</a> component.
+<br clear="none" class="atl-forced-newline"> <tt>fileLock</tt> is for using <tt>java.nio.channels.FileLock</tt>. This option is <b>not</b> avail for the <a shape="rect" href="ftp2.html" title="FTP2">FTP</a> component. This approach should be avoided when accessing a remote file system via a mount/share unless that file system supports distributed file locks.
 <br clear="none" class="atl-forced-newline"> <tt>rename</tt> is for using a try to rename the file as a test if we can get exclusive read-lock.
 <br clear="none" class="atl-forced-newline"> <tt>none</tt> is for no read locks at all.</td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> <tt>readLockTimeout</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"><ul class="alternate" type="square"><li></li></ul>
 </td><td colspan="1" rowspan="1" class="confluenceTd"> Optional timeout in millis for the read-lock, if supported by the read-lock. If the read-lock could not be granted and the timeout triggered, then Camel will skip the file. At next poll Camel, will try the file again, and this time maybe the read-lock could be granted. Use a value of 0 or lower to indicate forever. In <b>Camel 2.0</b> the default value is 0. In <b>Camel 2.1</b> the default value is 10000. Currently <tt>fileLock</tt>, <tt>changed</tt> and <tt>rename</tt> support the timeout. For <a shape="rect" href="ftp2.html" title="FTP2">FTP</a> the default <tt>readLockTimeout</tt> value is 20000. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> <tt>readLockCheckInterval</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <tt>1000</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <b>Camel 2.6:</b> Interval in millis for the read-lock, if supported by the read lock. This interval is used
  for sleeping between attempts to acquire the read lock. For example when using the <tt>changed</tt> read lock, you can set a higher interval period to cater for <em>slow writes</em>. The default of 1 sec. may be <em>too fast</em> if the producer is very slow writing the file. For <a shape="rect" href="ftp2.html" title="FTP2">FTP</a> the default <tt>readLockCheckInterval</tt> is <tt>5000</tt>. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> <tt>directoryMustExist</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <tt>false</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <b>Camel 2.5:</b> Similar to <tt>startingDirectoryMustExist</tt> but this applies during polling recursive sub directories. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> <tt>doneFileName</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <tt>null</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <b>Camel 2.6:</b> If provided, Camel will
  only consume files if a <em>done</em> file exists. This option configures what file name to use. Either you can specify a fixed name. Or you can use dynamic placeholders. The <em>done</em> file is <b>always</b> expected in the same folder as the original file. See <em>using done file</em> and <em>writing done file</em> sections for examples. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> <tt>exclusiveReadLockStrategy</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <tt>null</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> Pluggable read-lock as a <tt>org.apache.camel.component.file.GenericFileExclusiveReadLockStrategy</tt> implementation. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> <tt>maxMessagesPerPoll</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <tt>0</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> An integer to define a maximum messages to gather per poll. By default no maximum is set.
  Can be used to set a limit of e.g. 1000 to avoid when starting up the server that there are thousands of files. Set a value of 0 or negative to disabled it. See more details at <a shape="rect" href="batch-consumer.html" title="Batch Consumer">Batch Consumer</a>. <b>Notice:</b> If this option is in use then the <a shape="rect" href="file2.html" title="File2">File</a> and <a shape="rect" href="ftp2.html" title="FTP2">FTP</a> components will limit <b>before</b> any sorting. For example if you have 100000 files and use <tt>maxMessagesPerPoll=500</tt>, then only the first 500 files will be picked up, and then sorted. You can use the <tt>eagerMaxMessagesPerPoll</tt> option and set this to <tt>false</tt> to allow to scan all files first and then sort afterwards. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> <tt>eagerMaxMessagesPerPoll</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <tt>true</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <
 b>Camel 2.9.3:</b> Allows to control whether the limit from <tt>maxMessagesPerPoll</tt> is eager or not. If eager then the limit is during the scanning of files. Where as <tt>false</tt> would scan all files, and then perform sorting. Setting this option to <tt>false</tt> allows to sort all files first, and then limit the poll. Mind that this requires a higher memory usage as all file details are in memory to perform the sorting. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> <tt>minDepth</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> 0 </td><td colspan="1" rowspan="1" class="confluenceTd"> <b>Camel 2.8</b>: The minimum depth to start processing when recursively processing a directory. Using <tt>minDepth=1</tt> means the base directory. Using <tt>minDepth=2</tt> means the first sub directory. This option is supported by <a shape="rect" href="ftp2.html" title="FTP2">FTP</a> consumer from <b>Camel 2.8.2, 2.9</b> onwards. </td></tr><tr><td colspan="
 1" rowspan="1" class="confluenceTd"> <tt>maxDepth</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <tt>Integer.MAX_VALUE</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <b>Camel 2.8:</b> The maximum depth to traverse when recursively processing a directory. This option is supported by <a shape="rect" href="ftp2.html" title="FTP2">FTP</a> consumer from <b>Camel 2.8.2, 2.9</b> onwards. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> <tt>processStrategy</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <tt>null</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> A pluggable <tt>org.apache.camel.component.file.GenericFileProcessStrategy</tt> allowing you to implement your own <tt>readLock</tt> option or similar. Can also be used when special conditions must be met before a file can be consumed, such as a special <em>ready</em> file exists. If this option is set then the <tt>readLock</tt> option does not apply. </td></tr><t
 r><td colspan="1" rowspan="1" class="confluenceTd"> <tt>startingDirectoryMustExist</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <tt>false</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <b>Camel 2.5:</b> Whether the starting directory must exist. Mind that the <tt>autoCreate</tt> option is default enabled, which means the starting directory is normally auto created if it doesn't exist. You can disable <tt>autoCreate</tt> and enable this to ensure the starting directory must exist. Will thrown an exception if the directory doesn't exist. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> <tt>pollStrategy</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <tt>null</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <b>Camel 2.0:</b> A pluggable <tt>org.apache.camel.PollingConsumerPollStrategy</tt> allowing you to provide your custom implementation to control error handling usually occurred during the <tt>poll</tt> operat
 ion <b>before</b> an <a shape="rect" href="exchange.html" title="Exchange">Exchange</a> have been created and being routed in Camel. In other words the error occurred while the polling was gathering information, for instance access to a file network failed so Camel cannot access it to scan for files. The default implementation will log the caused exception at <tt>WARN</tt> level and ignore it. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> <tt>sendEmptyMessageWhenIdle</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <tt>false</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <b>Camel 2.9:</b> If the polling consumer did not poll any files, you can enable this option to send an empty message (no body) instead. </td></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"> <tt>consumer.bridgeErrorHandler</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <tt>false</tt> </td><td colspan="1" rowspan="1" class="confluenceTd"> <b>Cam
 el 2.10:</b> Allows to bridge the consumer to the Camel routing <a shape="rect" href="error-handler.html" title="Error Handler">Error Handler</a>, which mean any exceptions occurred while trying to pickup files, or the likes, will now be processed as a message and handled by the routing <a shape="rect" href="error-handler.html" title="Error Handler">Error Handler</a>. By default the consumer will use the <tt>org.apache.camel.spi.ExceptionHandler</tt> to deal with exceptions, that by default will be logged at WARN/ERROR level and ignored. See further below on this page fore more details, at section <em>How to use the Camel error handler to deal with exceptions triggered outside the routing engine</em>. </td></tr></tbody></table>