Package com.palantir.atlasdb.keyvalue.api

Class CheckAndSetRequest

java.lang.Object

com.palantir.atlasdb.keyvalue.api.CheckAndSetRequest

@Immutable
public abstract class CheckAndSetRequest
extends Object

A request to be supplied to KeyValueService.checkAndSet. Use newCell(TableReference, Cell, byte[]) if the Cell is not yet stored, and singleCell(TableReference, Cell, byte[], byte[]) otherwise. table() the TableReference where the Cell is stored. cell() the Cell to update. oldValue() the existing value, or empty() if no value exists. newValue() the desired new value.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	CheckAndSetRequest.Builder

Constructor Summary

Constructors

Constructor	Description
CheckAndSetRequest()

Method Summary

Modifier and Type	Method	Description
abstract Cell	cell()
static CheckAndSetRequest	newCell(TableReference table, Cell row, byte[] newValue)
abstract byte[]	newValue()
Optional<byte[]>	oldValue()
protected abstract byte[]	oldValueNullable()
static CheckAndSetRequest	singleCell(TableReference table, Cell cell, byte[] oldValue, byte[] newValue)
abstract TableReference	table()

Methods inherited from class java.lang.Object

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

Constructor Detail

CheckAndSetRequest

public CheckAndSetRequest()

Method Detail

table

public abstract TableReference table()

cell

public abstract Cell cell()

oldValueNullable

@Nullable
protected abstract byte[] oldValueNullable()

oldValue

public Optional<byte[]> oldValue()

newValue

public abstract byte[] newValue()

newCell

public static CheckAndSetRequest newCell(TableReference table,
                                         Cell row,
                                         byte[] newValue)

singleCell

public static CheckAndSetRequest singleCell(TableReference table,
                                            Cell cell,
                                            byte[] oldValue,
                                            byte[] newValue)