org.apache.arrow.vector.ipc

Class JsonFileReader

java.lang.Object

org.apache.arrow.vector.ipc.JsonFileReader

All Implemented Interfaces:

AutoCloseable, DictionaryProvider

public class JsonFileReader
extends Object
implements AutoCloseable, DictionaryProvider

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.arrow.vector.dictionary.DictionaryProvider

DictionaryProvider.MapDictionaryProvider

Constructor Summary

Constructors

Constructor and Description
JsonFileReader(File inputFile, BufferAllocator allocator)

Method Summary

Modifier and Type	Method and Description
void	close()
Dictionary	lookup(long id)
VectorSchemaRoot	read()
boolean	read(VectorSchemaRoot root)
Schema	start()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

JsonFileReader

public JsonFileReader(File inputFile,
                      BufferAllocator allocator)
               throws com.fasterxml.jackson.core.JsonParseException,
                      IOException

Throws:

com.fasterxml.jackson.core.JsonParseException

IOException

Method Detail

lookup

public Dictionary lookup(long id)

Specified by:

lookup in interface DictionaryProvider

start

public Schema start()
             throws com.fasterxml.jackson.core.JsonParseException,
                    IOException

Throws:

com.fasterxml.jackson.core.JsonParseException

IOException

read

public boolean read(VectorSchemaRoot root)
             throws IOException

Throws:

IOException

read

public VectorSchemaRoot read()
                      throws IOException

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Throws:

IOException