Package io.rdbc.japi

Interface RowPublisher

All Superinterfaces:

org.reactivestreams.Publisher<Row>

public interface RowPublisher
extends org.reactivestreams.Publisher<Row>

A reactive streams specification's Publisher giving access to the rows.

When this publisher signals that it is complete clients can safely assume that a database is ready to accept new queries. If subscription is cancelled, however, clients have to wait for Connection.watchForIdle future to complete before issuing another query.

Method Summary

Modifier and Type	Method and Description
java.util.concurrent.CompletionStage<RowMetadata>	getMetadata() A meta data of columns of this result set
java.util.concurrent.CompletionStage<java.lang.Long>	getRowsAffected() A number of rows that were affected by the statement.
java.util.concurrent.CompletionStage<? extends java.util.List<Warning>>	getWarnings() A sequence of warnings that were emitted during processing the statement.

Methods inherited from interface org.reactivestreams.Publisher

subscribe

Method Detail

getRowsAffected

java.util.concurrent.CompletionStage<java.lang.Long> getRowsAffected()

A number of rows that were affected by the statement.

Clients can safely assume that a database is ready to accept new queries after this future completes.

Note that resulting CompletionStage may not complete until a rows Publisher is complete. To complete this CompletionStage, clients must either read the rows stream until it is complete or cancel the subscription.

getWarnings

java.util.concurrent.CompletionStage<? extends java.util.List<Warning>> getWarnings()

A sequence of warnings that were emitted during processing the statement.

Clients can safely assume that a database is ready to accept new queries after this future completes.

Note that resulting CompletionStage may not complete until a rows Publisher is complete. To complete this CompletionStage, clients must either read the rows stream until it is complete or cancel the subscription.

getMetadata

java.util.concurrent.CompletionStage<RowMetadata> getMetadata()

A meta data of columns of this result set