io.vertx.rxjava3.pgclient.pubsub.PgChannel Maven / Gradle / Ivy
/*
* Copyright 2014 Red Hat, Inc.
*
* Red Hat licenses this file to you under the Apache License, version 2.0
* (the "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*/
package io.vertx.rxjava3.pgclient.pubsub;
import io.vertx.rxjava3.RxHelper;
import io.vertx.rxjava3.ObservableHelper;
import io.vertx.rxjava3.FlowableHelper;
import io.vertx.rxjava3.impl.AsyncResultMaybe;
import io.vertx.rxjava3.impl.AsyncResultSingle;
import io.vertx.rxjava3.impl.AsyncResultCompletable;
import io.vertx.rxjava3.WriteStreamObserver;
import io.vertx.rxjava3.WriteStreamSubscriber;
import java.util.Map;
import java.util.Set;
import java.util.List;
import java.util.Iterator;
import java.util.function.Function;
import java.util.stream.Collectors;
import io.vertx.core.Handler;
import io.vertx.core.AsyncResult;
import io.vertx.core.json.JsonObject;
import io.vertx.core.json.JsonArray;
import io.vertx.lang.rx.RxGen;
import io.vertx.lang.rx.TypeArg;
import io.vertx.lang.rx.MappingIterator;
/**
* A channel to Postgres that tracks the subscription to a given Postgres channel using the LISTEN/UNLISTEN commands.
*
* When paused the channel discards the messages.
*
*
* NOTE: This class has been automatically generated from the {@link io.vertx.pgclient.pubsub.PgChannel original} non RX-ified interface using Vert.x codegen.
*/
@RxGen(io.vertx.pgclient.pubsub.PgChannel.class)
public class PgChannel implements io.vertx.rxjava3.core.streams.ReadStream {
@Override
public String toString() {
return delegate.toString();
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
PgChannel that = (PgChannel) o;
return delegate.equals(that.delegate);
}
@Override
public int hashCode() {
return delegate.hashCode();
}
public static final TypeArg __TYPE_ARG = new TypeArg<>( obj -> new PgChannel((io.vertx.pgclient.pubsub.PgChannel) obj),
PgChannel::getDelegate
);
private final io.vertx.pgclient.pubsub.PgChannel delegate;
public PgChannel(io.vertx.pgclient.pubsub.PgChannel delegate) {
this.delegate = delegate;
}
public PgChannel(Object delegate) {
this.delegate = (io.vertx.pgclient.pubsub.PgChannel)delegate;
}
public io.vertx.pgclient.pubsub.PgChannel getDelegate() {
return delegate;
}
private io.reactivex.rxjava3.core.Observable observable;
private io.reactivex.rxjava3.core.Flowable flowable;
public synchronized io.reactivex.rxjava3.core.Observable toObservable() {
if (observable == null) {
observable = ObservableHelper.toObservable(this.getDelegate());
}
return observable;
}
public synchronized io.reactivex.rxjava3.core.Flowable toFlowable() {
if (flowable == null) {
flowable = FlowableHelper.toFlowable(this.getDelegate());
}
return flowable;
}
/**
* Fetch the specified amount of elements. If the ReadStream has been paused, reading will
* recommence with the specified amount of items, otherwise the specified amount will
* be added to the current stream demand.
* @param amount
* @return a reference to this, so the API can be used fluently
*/
public io.vertx.rxjava3.core.streams.ReadStream fetch(long amount) {
delegate.fetch(amount);
return this;
}
/**
* Pause this stream and return a to transfer the elements of this stream to a destination .
*
* The stream will be resumed when the pipe will be wired to a WriteStream.
* @return a pipe
*/
public io.vertx.rxjava3.core.streams.Pipe pipe() {
io.vertx.rxjava3.core.streams.Pipe ret = io.vertx.rxjava3.core.streams.Pipe.newInstance((io.vertx.core.streams.Pipe)delegate.pipe(), TypeArg.unknown());
return ret;
}
/**
* Pipe this ReadStream to the WriteStream.
*
* Elements emitted by this stream will be written to the write stream until this stream ends or fails.
*
* Once this stream has ended or failed, the write stream will be ended and the handler will be
* called with the result.
* @param dst the destination write stream
* @return
*/
public io.reactivex.rxjava3.core.Completable pipeTo(io.vertx.rxjava3.core.streams.WriteStream dst) {
io.reactivex.rxjava3.core.Completable ret = rxPipeTo(dst);
ret = ret.cache();
ret.subscribe(io.vertx.rxjava3.CompletableHelper.nullObserver());
return ret;
}
/**
* Pipe this ReadStream to the WriteStream.
*
* Elements emitted by this stream will be written to the write stream until this stream ends or fails.
*
* Once this stream has ended or failed, the write stream will be ended and the handler will be
* called with the result.
* @param dst the destination write stream
* @return
*/
public io.reactivex.rxjava3.core.Completable rxPipeTo(io.vertx.rxjava3.core.streams.WriteStream dst) {
return AsyncResultCompletable.toCompletable( handler -> {
delegate.pipeTo(dst.getDelegate(), handler);
});
}
/**
* Set an handler called when the the channel get subscribed.
* @param handler the handler
* @return a reference to this, so the API can be used fluently
*/
public io.vertx.rxjava3.pgclient.pubsub.PgChannel subscribeHandler(io.vertx.core.Handler handler) {
delegate.subscribeHandler(handler);
return this;
}
/**
* Set or unset an handler to be called when a the channel is notified by Postgres.
*
*
* - when the handler is set, the subscriber sends a
LISTEN command if needed
* - when the handler is unset, the subscriber sends a
UNLISTEN command if needed
*
* @param handler the handler
* @return a reference to this, so the API can be used fluently
*/
public io.vertx.rxjava3.pgclient.pubsub.PgChannel handler(io.vertx.core.Handler handler) {
delegate.handler(handler);
return this;
}
/**
* Pause the channel, all notifications are discarded.
* @return a reference to this, so the API can be used fluently
*/
public io.vertx.rxjava3.pgclient.pubsub.PgChannel pause() {
delegate.pause();
return this;
}
/**
* Resume the channel.
* @return a reference to this, so the API can be used fluently
*/
public io.vertx.rxjava3.pgclient.pubsub.PgChannel resume() {
delegate.resume();
return this;
}
/**
* Set an handler to be called when no more notifications will be received.
* @param endHandler the handler
* @return a reference to this, so the API can be used fluently
*/
public io.vertx.rxjava3.pgclient.pubsub.PgChannel endHandler(io.vertx.core.Handler endHandler) {
delegate.endHandler(endHandler);
return this;
}
public io.vertx.rxjava3.pgclient.pubsub.PgChannel exceptionHandler(io.vertx.core.Handler handler) {
delegate.exceptionHandler(handler);
return this;
}
public static PgChannel newInstance(io.vertx.pgclient.pubsub.PgChannel arg) {
return arg != null ? new PgChannel(arg) : null;
}
}