spring integration - PropertiesPersistingMetadataStore not writing to file -


i using sftpsimplepatternfilelistfilter , sftppersistentacceptoncefilelistfilter along metadata store. noticed not flushing entries file. never show flush() method being called propertiespersistingmetadatastore invokes savemetadata() method.

here config looks 

<bean id="compositefilter" class="org.springframework.integration.file.filters.compositefilelistfilter">     <constructor-arg>         <list>             <bean class="org.springframework.integration.sftp.filters.sftpsimplepatternfilelistfilter">                 <constructor-arg value="*.txt" />             </bean>             <bean class="org.springframework.integration.sftp.filters.sftppersistentacceptoncefilelistfilter">                 <constructor-arg name="store" ref="metadatastore"/>                 <constructor-arg value="myapp"/>             </bean>         </list>     </constructor-arg> </bean>  <bean name="metadatastore" class="org.springframework.integration.metadata.propertiespersistingmetadatastore">     <property name="basedirectory" value="/tmp/"/> </bean>

by default propertiespersistingmetadatastore flushes file on applicationcontext destroy:

@override public void close() throws ioexception {     flush(); }  @override public void flush() {     savemetadata(); }  @override public void destroy() throws exception {     flush(); }

starting 4.1.2 can invoke flush() manually @ runtime. e.g. periodically <task:sheduled-tasks> or <int:outbound-channel-adapter>.

feel free ask more information!


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