com.google.cloud.firestore

Class Precondition

java.lang.Object

com.google.cloud.firestore.Precondition

public final class Precondition
extends Object

Preconditions that can be used to restrict update() calls.

Field Summary

Fields

Modifier and Type	Field and Description
static Precondition	NONE An empty Precondition that adds no enforcements

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj) Returns true if this Precondition is equal to the provided object.
int	hashCode()
static Precondition	updatedAt(Timestamp updateTime) Creates a Precondition that enforces that the existing document was written at the specified time.

Methods inherited from class java.lang.Object

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

Field Detail

NONE

public static final Precondition NONE

An empty Precondition that adds no enforcements

Method Detail

updatedAt

@Nonnull
public static Precondition updatedAt(Timestamp updateTime)

Creates a Precondition that enforces that the existing document was written at the specified time.

Parameters:

updateTime - The write time to enforce on the existing document.

Returns:

A new Precondition

equals

public boolean equals(Object obj)

Returns true if this Precondition is equal to the provided object.

Overrides:

equals in class Object

Parameters:

obj - The object to compare against.

Returns:

Whether this Precondition is equal to the provided object.

hashCode

public int hashCode()

Overrides:

hashCode in class Object