org.apache.nifi.json

Class JsonTreeRowRecordReader

java.lang.Object

org.apache.nifi.json.AbstractJsonRowRecordReader

org.apache.nifi.json.JsonTreeRowRecordReader

All Implemented Interfaces:

Closeable, AutoCloseable, RecordReader

public class JsonTreeRowRecordReader
extends AbstractJsonRowRecordReader

Field Summary

Fields

Modifier and Type	Field and Description
private RecordSchema	schema

Constructor Summary

Constructors

Constructor and Description
JsonTreeRowRecordReader(InputStream in, org.apache.nifi.logging.ComponentLog logger, RecordSchema schema, String dateFormat, String timeFormat, String timestampFormat)
JsonTreeRowRecordReader(InputStream in, org.apache.nifi.logging.ComponentLog logger, RecordSchema schema, String dateFormat, String timeFormat, String timestampFormat, StartingFieldStrategy startingFieldStrategy, String startingFieldName, SchemaApplicationStrategy schemaApplicationStrategy, BiPredicate<String,String> captureFieldPredicate)

Method Summary

Modifier and Type	Method and Description
protected Object	convertField(com.fasterxml.jackson.databind.JsonNode fieldNode, String fieldName, DataType desiredType, boolean dropUnknown)
protected Record	convertJsonNodeToRecord(com.fasterxml.jackson.databind.JsonNode jsonNode, RecordSchema schema, boolean coerceTypes, boolean dropUnknownFields)
private Record	convertJsonNodeToRecord(com.fasterxml.jackson.databind.JsonNode jsonNode, RecordSchema schema, boolean coerceTypes, boolean dropUnknown, String fieldNamePrefix)
private Record	convertJsonNodeToRecord(com.fasterxml.jackson.databind.JsonNode jsonNode, RecordSchema schema, String fieldNamePrefix, boolean coerceTypes, boolean dropUnknown)
private com.fasterxml.jackson.databind.JsonNode	getChildNode(com.fasterxml.jackson.databind.JsonNode jsonNode, RecordField field)
private RecordSchema	getChildSchemaFromField(RecordField recordField)
RecordSchema	getSchema()
private RecordSchema	getSelectedSchema(RecordSchema schema, String startingFieldName)

Methods inherited from class org.apache.nifi.json.AbstractJsonRowRecordReader

close, getCapturedFields, getLazyDateFormat, getLazyTimeFormat, getLazyTimestampFormat, getNextJsonNode, getRawNodeValue, getRawNodeValue, nextRecord

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.nifi.serialization.RecordReader

createRecordSet, nextRecord

Field Detail

schema

private final RecordSchema schema

Constructor Detail

JsonTreeRowRecordReader

public JsonTreeRowRecordReader(InputStream in,
                               org.apache.nifi.logging.ComponentLog logger,
                               RecordSchema schema,
                               String dateFormat,
                               String timeFormat,
                               String timestampFormat)
                        throws IOException,
                               MalformedRecordException

Throws:

IOException

MalformedRecordException

JsonTreeRowRecordReader

public JsonTreeRowRecordReader(InputStream in,
                               org.apache.nifi.logging.ComponentLog logger,
                               RecordSchema schema,
                               String dateFormat,
                               String timeFormat,
                               String timestampFormat,
                               StartingFieldStrategy startingFieldStrategy,
                               String startingFieldName,
                               SchemaApplicationStrategy schemaApplicationStrategy,
                               BiPredicate<String,String> captureFieldPredicate)
                        throws IOException,
                               MalformedRecordException

Throws:

IOException

MalformedRecordException

Method Detail

getSelectedSchema

private RecordSchema getSelectedSchema(RecordSchema schema,
                                       String startingFieldName)

getChildSchemaFromField

private RecordSchema getChildSchemaFromField(RecordField recordField)

convertJsonNodeToRecord

protected Record convertJsonNodeToRecord(com.fasterxml.jackson.databind.JsonNode jsonNode,
                                         RecordSchema schema,
                                         boolean coerceTypes,
                                         boolean dropUnknownFields)
                                  throws IOException,
                                         MalformedRecordException

Specified by:

convertJsonNodeToRecord in class AbstractJsonRowRecordReader

Throws:

IOException

MalformedRecordException

convertJsonNodeToRecord

private Record convertJsonNodeToRecord(com.fasterxml.jackson.databind.JsonNode jsonNode,
                                       RecordSchema schema,
                                       boolean coerceTypes,
                                       boolean dropUnknown,
                                       String fieldNamePrefix)
                                throws IOException,
                                       MalformedRecordException

Throws:

IOException

MalformedRecordException

getChildNode

private com.fasterxml.jackson.databind.JsonNode getChildNode(com.fasterxml.jackson.databind.JsonNode jsonNode,
                                                             RecordField field)

convertJsonNodeToRecord

private Record convertJsonNodeToRecord(com.fasterxml.jackson.databind.JsonNode jsonNode,
                                       RecordSchema schema,
                                       String fieldNamePrefix,
                                       boolean coerceTypes,
                                       boolean dropUnknown)
                                throws IOException,
                                       MalformedRecordException

Throws:

IOException

MalformedRecordException

convertField

protected Object convertField(com.fasterxml.jackson.databind.JsonNode fieldNode,
                              String fieldName,
                              DataType desiredType,
                              boolean dropUnknown)
                       throws IOException,
                              MalformedRecordException

Throws:

IOException

MalformedRecordException

getSchema

public RecordSchema getSchema()