Liya Fan created ARROW-6247:
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             Summary: [Java] Provide a common interface for float4 and float8 
vectors
                 Key: ARROW-6247
                 URL: https://issues.apache.org/jira/browse/ARROW-6247
             Project: Apache Arrow
          Issue Type: New Feature
          Components: Java
            Reporter: Liya Fan
            Assignee: Liya Fan


We want to provide an interface for floating point vectors (float4 & float8). 
This interface will make it convenient for many operations on a vector. With 
this interface, the client code will be greatly simplified, with many 
branches/switch removed.

 

The design is similar to BaseIntVector (the interface for all integer vectors). 
We provide 3 methods for setting & getting floating point values:

         setWithPossibleTruncate

         setSafeWithPossibleTruncate

         getValueAsDouble



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