org.apache.paimon.data.variant

Class GenericVariantBuilder

java.lang.Object

org.apache.paimon.data.variant.GenericVariantBuilder

public class GenericVariantBuilder
extends Object

Build variant value and metadata by parsing JSON values.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	GenericVariantBuilder.FieldEntry Temporarily store the information of a field.

Constructor Summary

Constructors

Constructor and Description
GenericVariantBuilder(boolean allowDuplicateKeys)

Method Summary

Modifier and Type	Method and Description
int	addKey(String key)
void	appendBinary(byte[] binary)
void	appendBoolean(boolean b)
void	appendDate(int daysSinceEpoch)
void	appendDecimal(BigDecimal d)
void	appendDouble(double d)
void	appendFloat(float f)
void	appendLong(long l)
void	appendNull()
void	appendString(String str)
void	appendTimestamp(long microsSinceEpoch)
void	appendTimestampNtz(long microsSinceEpoch)
void	appendVariant(GenericVariant v)
void	finishWritingArray(int start, ArrayList<Integer> offsets)
void	finishWritingObject(int start, ArrayList<GenericVariantBuilder.FieldEntry> fields)
int	getWritePos()
static Variant	parseJson(org.apache.paimon.shade.jackson2.com.fasterxml.jackson.core.JsonParser parser, boolean allowDuplicateKeys) Similar parseJson(String, boolean), but takes a JSON parser instead of string input.
static Variant	parseJson(String json, boolean allowDuplicateKeys) Parse a JSON string as a Variant value.
Variant	result()
void	shallowAppendVariant(GenericVariant v)
byte[]	valueWithoutMetadata()

Methods inherited from class java.lang.Object

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

Constructor Detail

GenericVariantBuilder

public GenericVariantBuilder(boolean allowDuplicateKeys)

Method Detail

parseJson

public static Variant parseJson(String json,
                                boolean allowDuplicateKeys)
                         throws IOException

Parse a JSON string as a Variant value.

Throws:

IOException - if any JSON parsing error happens.

parseJson

public static Variant parseJson(org.apache.paimon.shade.jackson2.com.fasterxml.jackson.core.JsonParser parser,
                                boolean allowDuplicateKeys)
                         throws IOException

Similar parseJson(String, boolean), but takes a JSON parser instead of string input.

Throws:

IOException

result

public Variant result()

valueWithoutMetadata

public byte[] valueWithoutMetadata()

appendString

public void appendString(String str)

appendNull

public void appendNull()

appendBoolean

public void appendBoolean(boolean b)

appendLong

public void appendLong(long l)

appendDouble

public void appendDouble(double d)

appendDecimal

public void appendDecimal(BigDecimal d)

appendDate

public void appendDate(int daysSinceEpoch)

appendTimestamp

public void appendTimestamp(long microsSinceEpoch)

appendTimestampNtz

public void appendTimestampNtz(long microsSinceEpoch)

appendFloat

public void appendFloat(float f)

appendBinary

public void appendBinary(byte[] binary)

addKey

public int addKey(String key)

getWritePos

public int getWritePos()

finishWritingObject

public void finishWritingObject(int start,
                                ArrayList<GenericVariantBuilder.FieldEntry> fields)

finishWritingArray

public void finishWritingArray(int start,
                               ArrayList<Integer> offsets)

appendVariant

public void appendVariant(GenericVariant v)

shallowAppendVariant

public void shallowAppendVariant(GenericVariant v)