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

Class MutationGroup

java.lang.Object

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

All Implemented Interfaces:

Serializable, Iterable<Mutation>

public final class MutationGroup
extends Object
implements Serializable, Iterable<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	Description
List<Mutation>	attached()
static MutationGroup	create(Mutation primary, Mutation... other)	Creates a new group.
static MutationGroup	create(Mutation primary, Iterable<Mutation> other)
boolean	equals(@Nullable Object o)
int	hashCode()
Iterator<Mutation>	iterator()
Mutation	primary()
long	size()
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Method Details

create

public static MutationGroup create(Mutation primary,
 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(Mutation primary,
 Iterable<Mutation> other)

iterator

public Iterator<Mutation> iterator()

Specified by:

iterator in interface Iterable<Mutation>

size

public long size()

primary

public Mutation primary()

attached

public List<Mutation> attached()

equals

public boolean equals(@Nullable Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object