org.apache.beam.sdk.io.gcp.spanner

Class MutationGroup

java.lang.Object

org.apache.beam.sdk.io.gcp.spanner.MutationGroup

All Implemented Interfaces:

java.io.Serializable, java.lang.Iterable<com.google.cloud.spanner.Mutation>

public final class MutationGroup
extends java.lang.Object
implements java.io.Serializable, java.lang.Iterable<com.google.cloud.spanner.Mutation>

A bundle of mutations that must be submitted atomically.

One of the mutations is chosen to be "primary", and can be used to determine partitions.

See Also:

Serialized Form

Method Summary

Modifier and Type	Method and Description
java.util.List<com.google.cloud.spanner.Mutation>	attached()
static MutationGroup	create(com.google.cloud.spanner.Mutation primary, java.lang.Iterable<com.google.cloud.spanner.Mutation> other)
static MutationGroup	create(com.google.cloud.spanner.Mutation primary, com.google.cloud.spanner.Mutation... other) Creates a new group.
java.util.Iterator<com.google.cloud.spanner.Mutation>	iterator()
com.google.cloud.spanner.Mutation	primary()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Method Detail

create

public static MutationGroup create(com.google.cloud.spanner.Mutation primary,
                                   com.google.cloud.spanner.Mutation... other)

Creates a new group.

Parameters:

primary - a primary mutation.

other - other mutations, usually interleaved in parent.

Returns:

new mutation group.

create

public static MutationGroup create(com.google.cloud.spanner.Mutation primary,
                                   java.lang.Iterable<com.google.cloud.spanner.Mutation> other)

iterator

public java.util.Iterator<com.google.cloud.spanner.Mutation> iterator()

Specified by:

iterator in interface java.lang.Iterable<com.google.cloud.spanner.Mutation>

primary

public com.google.cloud.spanner.Mutation primary()

attached

public java.util.List<com.google.cloud.spanner.Mutation> attached()