Assembly is done using the provided Assembler:

public void assemble( ModuleAssembly module )
    throws AssemblyException
{
  [...snip...]

    new GeodeEntityStoreAssembler().withConfig( config, Visibility.layer ).assemble( module );
}

Here are the configuration properties for the Geode EntityStore:

Traceback (most recent call last):
  File "/Users/paul/.asciidoc/filters/snippet/snippet.py", line 100, in <module>
    for line in snippet(**configuration(indata)):
  File "/Users/paul/.asciidoc/filters/snippet/snippet.py", line 51, in snippet
    sourceFile = open(PATH_PATTERN % locals())
IOError: [Errno 2] No such file or directory: 'extensions/entitystore-geode/src/main/java/org/apache/polygene/entitystore/geode/GeodeConfiguration.java'