org.springframework.cloud.gcp.data.spanner.core.convert

Class ConverterAwareMappingSpannerEntityWriter

java.lang.Object

org.springframework.cloud.gcp.data.spanner.core.convert.ConverterAwareMappingSpannerEntityWriter

All Implemented Interfaces:

SpannerEntityWriter, org.springframework.data.convert.EntityWriter<Object,com.google.cloud.spanner.Mutation.WriteBuilder>

public class ConverterAwareMappingSpannerEntityWriter
extends Object
implements SpannerEntityWriter

The primary class for adding values from entity objects to Mutation.WriteBuilder for the purpose of creating mutations for Spanner.

Author:

Chengyuan Zhao, Balint Pato

Field Summary

Fields

Modifier and Type	Field and Description
static Map<Class<?>,BiFunction<com.google.cloud.spanner.ValueBinder,?,?>>	singleItemType2ToMethodMap

Method Summary

Modifier and Type	Method and Description
void	write(Object source, com.google.cloud.spanner.Mutation.WriteBuilder sink)
void	write(Object source, com.google.cloud.spanner.Mutation.WriteBuilder sink, Set<String> includeColumns) Writes an object's properties to the sink.
com.google.cloud.spanner.Key	writeToKey(Object key)

Methods inherited from class java.lang.Object

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

Field Detail

singleItemType2ToMethodMap

public static final Map<Class<?>,BiFunction<com.google.cloud.spanner.ValueBinder,?,?>> singleItemType2ToMethodMap

Method Detail

write

public void write(Object source,
                  com.google.cloud.spanner.Mutation.WriteBuilder sink)

Specified by:

write in interface org.springframework.data.convert.EntityWriter<Object,com.google.cloud.spanner.Mutation.WriteBuilder>

write

public void write(Object source,
                  com.google.cloud.spanner.Mutation.WriteBuilder sink,
                  Set<String> includeColumns)

Writes an object's properties to the sink.

Specified by:

write in interface SpannerEntityWriter

Parameters:

source - the object to write

sink - the sink to which to write

includeColumns - the properties/columns to write. If null, then all columns are written.

writeToKey

public com.google.cloud.spanner.Key writeToKey(Object key)

Specified by:

writeToKey in interface SpannerEntityWriter