Rdf serializer #75
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Rdf serializer #75
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- setup RdfConverter and Serializer for direct writing in RdfConverter - implement visitors for RdfConverter
* Move all actual triple writing to new class RdfWriter (no more OpenRDF "Statements" in the main code) * Move URI constants and methods to new class Vocabulary * Rename methods in a uniform way (most methods now "write" something) * Change method visibility and reorder methods according to style guide * New Enum PropertyContext to specify how a property is used More changes to come.
In some cases, the class will need to know which Wiki it is used with, but for now let's just implement this for Wikidata only.
* New buffer object to store values for later serialization * Initial implementation for serializing quantities * Many architectural changes ... more to come
Unused features are omitted for now
https://github.com/Wikidata/Wikidata-Toolkit.git into rdf-serializer Conflicts: wdtk-rdf/src/main/java/org/wikidata/wdtk/rdf/ValueRdfConverter.java
Commented everything out that delivered no useful URI.
- new interface PropertyTypes - rename class PropertyTypes to PropertyTypesImpl (for WikiData Properties) - put Url of the WebApi of Wikidata as a constant in PropertyTypesImpl
- reparsing instead of removing blank nodes
- extend RdfConverterTest - new RdfSerializerTest - helper class for test functions of wdtk-rdf
* Use GZIP instead of BZ2, which is much slower (we can re-code data in BZ2 later on the console if really needed) * Use buffers before and after compression * Perform actual compression in separate threads
…-Toolkit.git into rdf-serializer
Smaller classes with more clearly defined tasks.
…-Toolkit.git into rdf-serializer
* Export links in addition rather than instead of Wikidata contents * Manage link exports through a flexible system extension classes that register on certain properties
…-Toolkit.git into rdf-serializer
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