org.apache.nifi.record.path

Class StandardFieldValue

java.lang.Object

org.apache.nifi.record.path.StandardFieldValue

All Implemented Interfaces:

FieldValue

Direct Known Subclasses:

ArrayIndexFieldValue, MapEntryFieldValue

public class StandardFieldValue
extends Object
implements FieldValue

Field Summary

Fields

Modifier and Type	Field and Description
private RecordField	field
private Optional<FieldValue>	parent
private Object	value

Constructor Summary

Constructors

Constructor and Description
StandardFieldValue(Object value, RecordField field, FieldValue parent)

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj)
RecordField	getField()
Optional<FieldValue>	getParent()
Optional<Record>	getParentRecord()
private Optional<Record>	getParentRecord(Optional<FieldValue> fieldValueOption)
Object	getValue()
int	hashCode()
String	toString()
void	updateValue(Object newValue) Updates the record to which the field belongs, so that it now has the given value.
void	updateValue(Object newValue, DataType dataType) Updates the record to which the field belongs, so that it now has the given value.
private void	updateValue(Object newValue, RecordField field)
protected static FieldValue	validateParentRecord(FieldValue parent)

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

value

private final Object value

field

private final RecordField field

parent

private final Optional<FieldValue> parent

Constructor Detail

StandardFieldValue

public StandardFieldValue(Object value,
                          RecordField field,
                          FieldValue parent)

Method Detail

getValue

public Object getValue()

Specified by:

getValue in interface FieldValue

Returns:

the value of the field

getField

public RecordField getField()

Specified by:

getField in interface FieldValue

Returns:

the field that the associated value belongs to

getParent

public Optional<FieldValue> getParent()

Specified by:

getParent in interface FieldValue

Returns:

the FieldValue that applies to the parent of this field, or an empty Optional if the field represents the 'root' record.

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object

validateParentRecord

protected static FieldValue validateParentRecord(FieldValue parent)

getParentRecord

private Optional<Record> getParentRecord(Optional<FieldValue> fieldValueOption)

getParentRecord

public Optional<Record> getParentRecord()

Specified by:

getParentRecord in interface FieldValue

Returns:

the Record that the field belongs to, or an empty Optional if the field represents the 'root' record.

updateValue

public void updateValue(Object newValue)

Description copied from interface: FieldValue

Updates the record to which the field belongs, so that it now has the given value.

Specified by:

updateValue in interface FieldValue

Parameters:

newValue - the new value to set on the record field

updateValue

public void updateValue(Object newValue,
                        DataType dataType)

Description copied from interface: FieldValue

Updates the record to which the field belongs, so that it now has the given value. If the FieldValue points to a Field that does not currently exist in the Record, the field will be created in the Record Schema as an 'inactive field', which can then be incoporated into the Record's schema by calling Record.incorporateInactiveFields().

Specified by:

updateValue in interface FieldValue

Parameters:

newValue - the value to set for the field

dataType - the data type to use if the Record's schema does not already include this field

updateValue

private void updateValue(Object newValue,
                         RecordField field)