Himanshu 8687f424f9 make ComplexColumn an interface and ExtensionPoint (#7633) ... * make ComplexColumn an interface and ExtensionPoint * incorporate review comments * make ColumnValueSelector @ExtensionPoint * more java docs * add close() method to ComplexColumn interface		2019-05-15 20:59:55 -07:00
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src	make ComplexColumn an interface and ExtensionPoint (#7633)	2019-05-15 20:59:55 -07:00
pom.xml	Update LICENSE and NOTICE files (#7026)	2019-03-04 18:45:22 -08:00