com.cinchapi.concourse.lang

Class VerifyAndSwapCommand

Object

VerifyAndSwapCommand

public final class VerifyAndSwapCommand
extends Object

A Command builder for verifyAndSwap commands.

verifyAndSwap atomically checks that a key holds an expected value in a record and, if so, replaces it with a new value.

 verifyAndSwap <key> as <expected> in <record> with <replacement>
 

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	VerifyAndSwapCommand.KeyState The state after specifying the key for the verifyAndSwap command.
static class	VerifyAndSwapCommand.RecordState The state after specifying the key, expected value, and record for the verifyAndSwap command.
static class	VerifyAndSwapCommand.SwapState The terminal state for a verifyAndSwap command, reached after specifying the key, expected value, record, and replacement value.
static class	VerifyAndSwapCommand.ValueState The state after specifying the key and expected value for the verifyAndSwap command.

Method Summary

Methods inherited from class Object

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