Package org.talend.sdk.component.api.service.record

Interface RecordVisitor<T>

Type Parameters:

T - the returned type by the visitor if it owns a state.

All Superinterfaces:

BiFunction<T,T,T>, BinaryOperator<T>, Supplier<T>

public interface RecordVisitor<T>
extends Supplier<T>, BinaryOperator<T>

Visitor enabling to browse a record. All methods are adapters - implementing a no-op by default.

Method Summary

Modifier and Type	Method	Description
default T	apply(T t1, T t2)	Enables to combine two visitors returned value (get()).
default T	get()	This is called to get the value extracted from this visitor.
default void	onBoolean(Schema.Entry entry, Optional<Boolean> optionalBoolean)
default void	onBooleanArray(Schema.Entry entry, Optional<Collection<Boolean>> array)
default void	onBytes(Schema.Entry entry, Optional<byte[]> bytes)
default void	onBytesArray(Schema.Entry entry, Optional<Collection<byte[]>> array)
default void	onDatetime(Schema.Entry entry, Optional<ZonedDateTime> dateTime)
default void	onDatetimeArray(Schema.Entry entry, Optional<Collection<ZonedDateTime>> array)
default void	onDouble(Schema.Entry entry, OptionalDouble optionalDouble)
default void	onDoubleArray(Schema.Entry entry, Optional<Collection<Double>> array)
default void	onFloat(Schema.Entry entry, OptionalDouble optionalFloat)
default void	onFloatArray(Schema.Entry entry, Optional<Collection<Float>> array)
default void	onInt(Schema.Entry entry, OptionalInt optionalInt)
default void	onIntArray(Schema.Entry entry, Optional<Collection<Integer>> array)
default void	onLong(Schema.Entry entry, OptionalLong optionalLong)
default void	onLongArray(Schema.Entry entry, Optional<Collection<Long>> array)
default RecordVisitor<T>	onRecord(Schema.Entry entry, Optional<Record> record)
default RecordVisitor<T>	onRecordArray(Schema.Entry entry, Optional<Collection<Record>> array)
default void	onString(Schema.Entry entry, Optional<String> string)
default void	onStringArray(Schema.Entry entry, Optional<Collection<String>> array)

Methods inherited from interface java.util.function.BiFunction

andThen

Method Detail

get

default T get()

This is called to get the value extracted from this visitor. It is also an exit callback for a record instance.

Specified by:

get in interface Supplier<T>

Returns:

the outcome value of this visitor.

apply

default T apply(T t1,
                T t2)

Enables to combine two visitors returned value (get()).

Specified by:

apply in interface BiFunction<T,T,T>

Parameters:

t1 - previous value, can be null.

t2 - current value

Returns:

the merged value of t1 and t2. By default it returns t1.

onInt

default void onInt(Schema.Entry entry,
                   OptionalInt optionalInt)

onLong

default void onLong(Schema.Entry entry,
                    OptionalLong optionalLong)

onFloat

default void onFloat(Schema.Entry entry,
                     OptionalDouble optionalFloat)

onDouble

default void onDouble(Schema.Entry entry,
                      OptionalDouble optionalDouble)

onBoolean

default void onBoolean(Schema.Entry entry,
                       Optional<Boolean> optionalBoolean)

onString

default void onString(Schema.Entry entry,
                      Optional<String> string)

onDatetime

default void onDatetime(Schema.Entry entry,
                        Optional<ZonedDateTime> dateTime)

onBytes

default void onBytes(Schema.Entry entry,
                     Optional<byte[]> bytes)

onRecord

default RecordVisitor<T> onRecord(Schema.Entry entry,
                                  Optional<Record> record)

onIntArray

default void onIntArray(Schema.Entry entry,
                        Optional<Collection<Integer>> array)

onLongArray

default void onLongArray(Schema.Entry entry,
                         Optional<Collection<Long>> array)

onFloatArray

default void onFloatArray(Schema.Entry entry,
                          Optional<Collection<Float>> array)

onDoubleArray

default void onDoubleArray(Schema.Entry entry,
                           Optional<Collection<Double>> array)

onBooleanArray

default void onBooleanArray(Schema.Entry entry,
                            Optional<Collection<Boolean>> array)

onStringArray

default void onStringArray(Schema.Entry entry,
                           Optional<Collection<String>> array)

onDatetimeArray

default void onDatetimeArray(Schema.Entry entry,
                             Optional<Collection<ZonedDateTime>> array)

onBytesArray

default void onBytesArray(Schema.Entry entry,
                          Optional<Collection<byte[]>> array)

onRecordArray

default RecordVisitor<T> onRecordArray(Schema.Entry entry,
                                       Optional<Collection<Record>> array)