Package com.google.cloud.firestore

Class VectorQuery

java.lang.Object

com.google.cloud.firestore.StreamableQuery<VectorQuerySnapshot>

com.google.cloud.firestore.VectorQuery

public final class VectorQuery
extends StreamableQuery<VectorQuerySnapshot>

A query that finds the documents whose vector fields are closest to a certain query vector. Create an instance of `VectorQuery` with Query.findNearest(java.lang.String, double[], int, com.google.cloud.firestore.VectorQuery.DistanceMeasure).

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	VectorQuery.DistanceMeasure	The distance measure to use when comparing vectors in a VectorQuery.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)	Returns true if this VectorQuery is equal to the provided object.
com.google.api.core.ApiFuture<ExplainResults<VectorQuerySnapshot>>	explain(ExplainOptions options)	Plans and optionally executes this VectorQuery.
com.google.api.core.ApiFuture<VectorQuerySnapshot>	get()	Executes the query and returns the results as QuerySnapshot.
int	hashCode()
protected RunQueryRequest.Builder	toRunQueryRequestBuilder(com.google.protobuf.ByteString transactionId, com.google.cloud.Timestamp readTime, ExplainOptions explainOptions)
String	toString()

Methods inherited from class com.google.cloud.firestore.StreamableQuery

getFirestore

Methods inherited from class java.lang.Object

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

Method Details

get

@Nonnull
public com.google.api.core.ApiFuture<VectorQuerySnapshot> get()

Executes the query and returns the results as QuerySnapshot.

Specified by:

get in class StreamableQuery<VectorQuerySnapshot>

Returns:

An ApiFuture that will be resolved with the results of the VectorQuery.

explain

@Nonnull
public com.google.api.core.ApiFuture<ExplainResults<VectorQuerySnapshot>> explain(ExplainOptions options)

Plans and optionally executes this VectorQuery. Returns an ApiFuture that will be resolved with the planner information, statistics from the query execution (if any), and the query results (if any).

Overrides:

explain in class StreamableQuery<VectorQuerySnapshot>

Returns:

An ApiFuture that will be resolved with the planner information, statistics from the query execution (if any), and the query results (if any).

equals

public boolean equals(Object obj)

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

Overrides:

equals in class Object

Parameters:

obj - The object to compare against.

Returns:

Whether this VectorQuery is equal to the provided object.

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toRunQueryRequestBuilder

protected RunQueryRequest.Builder toRunQueryRequestBuilder(@Nullable
 com.google.protobuf.ByteString transactionId,
 @Nullable
 com.google.cloud.Timestamp readTime,
 @Nullable
 ExplainOptions explainOptions)

toString

public String toString()

Overrides:

toString in class StreamableQuery<VectorQuerySnapshot>