org.apache.drill.exec.store.easy.json.reader

Class CountingJsonReader

java.lang.Object

org.apache.drill.exec.store.easy.json.reader.BaseJsonProcessor

org.apache.drill.exec.store.easy.json.reader.BaseJsonReader

org.apache.drill.exec.store.easy.json.reader.CountingJsonReader

All Implemented Interfaces:

JsonProcessor

public class CountingJsonReader
extends BaseJsonReader

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.drill.exec.store.easy.json.reader.BaseJsonProcessor

BaseJsonProcessor.JsonExceptionProcessingState

Nested classes/interfaces inherited from interface org.apache.drill.exec.store.easy.json.JsonProcessor

JsonProcessor.ReadState

Field Summary

Fields inherited from class org.apache.drill.exec.store.easy.json.reader.BaseJsonProcessor

currentFieldName, lastSeenJsonToken, parser, workBuf

Constructor Summary

Constructors

Constructor and Description
CountingJsonReader(DrillBuf workBuf, boolean enableNanInf, boolean enableEscapeAnyChar)

Method Summary

Modifier and Type	Method and Description
void	ensureAtLeastOneField(org.apache.drill.exec.vector.complex.writer.BaseWriter.ComplexWriter writer)
protected void	writeDocument(org.apache.drill.exec.vector.complex.writer.BaseWriter.ComplexWriter writer, com.fasterxml.jackson.core.JsonToken t) Writes the contents of the json node starting with the specified token into a complex vector.

Methods inherited from class org.apache.drill.exec.store.easy.json.reader.BaseJsonReader

createDocumentTopLevelException, write

Methods inherited from class org.apache.drill.exec.store.easy.json.reader.BaseJsonProcessor

getCurrentField, getDefaultMapper, getExceptionWithContext, getExceptionWithContext, ignoreJSONParseError, processJSONException, setIgnoreJSONParseErrors, setSource, setSource, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

CountingJsonReader

public CountingJsonReader(DrillBuf workBuf,
                          boolean enableNanInf,
                          boolean enableEscapeAnyChar)

Method Detail

writeDocument

protected void writeDocument(org.apache.drill.exec.vector.complex.writer.BaseWriter.ComplexWriter writer,
                             com.fasterxml.jackson.core.JsonToken t)
                      throws IOException

Description copied from class: BaseJsonReader

Writes the contents of the json node starting with the specified token into a complex vector. Token can take the following values: - START_ARRAY - the top level of json document is an array and skipping of the outer list is disabled - START_OBJECT - the top level of json document is a set of white space delimited maps or skipping of the outer list is enabled

Specified by:

writeDocument in class BaseJsonReader

Throws:

IOException

ensureAtLeastOneField

public void ensureAtLeastOneField(org.apache.drill.exec.vector.complex.writer.BaseWriter.ComplexWriter writer)