public final class PreconditionPreconditions that can be used to restrict update() calls.
Static Fields
NONE
public static final Precondition NONEAn empty Precondition that adds no enforcements
| Field Value | |
|---|---|
| Type | Description |
Precondition |
|
Static Methods
updatedAt(Timestamp updateTime)
public static Precondition updatedAt(Timestamp updateTime)Creates a Precondition that enforces that the existing document was written at the specified time.
| Parameter | |
|---|---|
| Name | Description |
updateTime |
com.google.cloud.TimestampThe write time to enforce on the existing document. |
| Returns | |
|---|---|
| Type | Description |
Precondition |
A new Precondition |
Methods
equals(Object obj)
public boolean equals(Object obj)Returns true if this Precondition is equal to the provided object.
| Parameter | |
|---|---|
| Name | Description |
obj |
ObjectThe object to compare against. |
| Returns | |
|---|---|
| Type | Description |
boolean |
Whether this Precondition is equal to the provided object. |
hashCode()
public int hashCode()| Returns | |
|---|---|
| Type | Description |
int |
|