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The FileSerializer listens to the JMS events generated from the repository generated JMS events to convert metadata . It converts the generated RDF to SOLR document format with name fields, and persist persists it to the file system. It implements the org.fcrepo.indexer.Indexer interface for the indexing functionalitiesfunctionality, which consists of the methods to handle new/updated records and deleted records. |
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The FileSerializer serializes the raw SOLR document with name fields that is converted from RDF generated files are stored under the configured directory file.serializer.dir , which is in flat structure with a file name that concatenates the id and the timestamp like , e.g. id@yyyyMMddHHmmss. |
Configuration
The indexer is configured using Spring that , which can be done using through the Java bean setter methods. Here is a sample configuration fragment showing how to configure and use itthe FileSerializer:
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<!-- file serializer -->
<bean id="fileSerializer" class="org.fcrepo.indexer.FileSerializer">
<property name="path" value="${file.serializer.dir:./target/test-classes/fileSerializer/}"/>
</bean>
<!-- Message Driven POJO (MDP) that manages individual indexers -->
<bean id="indexerGroup" class="org.fcrepo.indexer.IndexerGroup">
<constructor-arg name="repositoryURL" value="http://${fcrepo.host:localhost}:${fcrepo.port:8080}${fcrepo.context:/}rest" />
<constructor-arg name="indexers">
<set>
...
<ref bean="fileSerializer"/>
...
</set>
</constructor-arg>
...
</bean> |