io.vertx.rxjava.rabbitmq.RabbitMQConsumer 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.rxjava.rabbitmq;
import rx.Observable;
import rx.Single;
import io.vertx.rx.java.RxHelper;
import io.vertx.rx.java.WriteStreamSubscriber;
import io.vertx.rx.java.SingleOnSubscribeAdapter;
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 stream of messages from a rabbitmq queue.
*
*
* NOTE: This class has been automatically generated from the {@link io.vertx.rabbitmq.RabbitMQConsumer original} non RX-ified interface using Vert.x codegen.
*/
@RxGen(io.vertx.rabbitmq.RabbitMQConsumer.class)
public class RabbitMQConsumer implements io.vertx.rxjava.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;
RabbitMQConsumer that = (RabbitMQConsumer) o;
return delegate.equals(that.delegate);
}
@Override
public int hashCode() {
return delegate.hashCode();
}
public static final TypeArg __TYPE_ARG = new TypeArg<>( obj -> new RabbitMQConsumer((io.vertx.rabbitmq.RabbitMQConsumer) obj),
RabbitMQConsumer::getDelegate
);
private final io.vertx.rabbitmq.RabbitMQConsumer delegate;
public RabbitMQConsumer(io.vertx.rabbitmq.RabbitMQConsumer delegate) {
this.delegate = delegate;
}
public RabbitMQConsumer(Object delegate) {
this.delegate = (io.vertx.rabbitmq.RabbitMQConsumer)delegate;
}
public io.vertx.rabbitmq.RabbitMQConsumer getDelegate() {
return delegate;
}
private Observable observable;
public synchronized Observable toObservable() {
if (observable == null) {
Function conv = io.vertx.rxjava.rabbitmq.RabbitMQMessage::newInstance;
observable = RxHelper.toObservable(delegate, conv);
}
return observable;
}
private static final TypeArg TYPE_ARG_0 = new TypeArg(o1 -> io.vertx.rxjava.rabbitmq.RabbitMQMessage.newInstance((io.vertx.rabbitmq.RabbitMQMessage)o1), o1 -> o1.getDelegate());
private static final TypeArg TYPE_ARG_1 = new TypeArg(o1 -> io.vertx.rxjava.rabbitmq.RabbitMQMessage.newInstance((io.vertx.rabbitmq.RabbitMQMessage)o1), o1 -> o1.getDelegate());
/**
* 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.rxjava.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.rxjava.core.streams.Pipe pipe() {
io.vertx.rxjava.core.streams.Pipe ret = io.vertx.rxjava.core.streams.Pipe.newInstance((io.vertx.core.streams.Pipe)delegate.pipe(), TYPE_ARG_1);
return ret;
}
/**
* Like {@link io.vertx.rxjava.core.streams.ReadStream#pipeTo} but with no completion handler.
* @param dst
*/
public void pipeTo(io.vertx.rxjava.core.streams.WriteStream dst) {
delegate.pipeTo(dst.getDelegate());
}
/**
* 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
* @param handler
*/
public void pipeTo(io.vertx.rxjava.core.streams.WriteStream dst, Handler> handler) {
delegate.pipeTo(dst.getDelegate(), handler);
}
/**
* 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
* @deprecated use {@link #rxPipeTo} instead
*/
@Deprecated()
public Observable pipeToObservable(io.vertx.rxjava.core.streams.WriteStream dst) {
io.vertx.rx.java.ObservableFuture handler = io.vertx.rx.java.RxHelper.observableFuture();
pipeTo(dst, handler.toHandler());
return handler;
}
/**
* 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 Single rxPipeTo(io.vertx.rxjava.core.streams.WriteStream dst) {
return Single.create(new io.vertx.rx.java.SingleOnSubscribeAdapter<>(fut -> {
pipeTo(dst, fut);
}));
}
/**
* Set an exception handler on the read stream.
* @param exceptionHandler the exception handler
* @return a reference to this, so the API can be used fluently
*/
public io.vertx.rxjava.rabbitmq.RabbitMQConsumer exceptionHandler(Handler exceptionHandler) {
delegate.exceptionHandler(exceptionHandler);
return this;
}
/**
* Set a message handler. As message appear in a queue, the handler will be called with the message.
* @param messageArrived
* @return a reference to this, so the API can be used fluently
*/
public io.vertx.rxjava.rabbitmq.RabbitMQConsumer handler(Handler messageArrived) {
delegate.handler(new Handler() {
public void handle(io.vertx.rabbitmq.RabbitMQMessage event) {
messageArrived.handle(io.vertx.rxjava.rabbitmq.RabbitMQMessage.newInstance((io.vertx.rabbitmq.RabbitMQMessage)event));
}
});
return this;
}
/**
* Pause the stream of incoming messages from queue.
*
* The messages will continue to arrive, but they will be stored in a internal queue.
* If the queue size would exceed the limit provided by , then incoming messages will be discarded.
* @return a reference to this, so the API can be used fluently
*/
public io.vertx.rxjava.rabbitmq.RabbitMQConsumer pause() {
delegate.pause();
return this;
}
/**
* Resume reading from a queue. Flushes internal queue.
* @return a reference to this, so the API can be used fluently
*/
public io.vertx.rxjava.rabbitmq.RabbitMQConsumer resume() {
delegate.resume();
return this;
}
/**
* Set an end handler. Once the stream has canceled successfully, the handler will be called.
* @param endHandler
* @return a reference to this, so the API can be used fluently
*/
public io.vertx.rxjava.rabbitmq.RabbitMQConsumer endHandler(Handler endHandler) {
delegate.endHandler(endHandler);
return this;
}
/**
* @return a consumer tag
*/
public String consumerTag() {
String ret = delegate.consumerTag();
return ret;
}
/**
* Stop message consumption from a queue.
*
* The operation is asynchronous. When consumption will be stopped, you can by notified via {@link io.vertx.rxjava.rabbitmq.RabbitMQConsumer#endHandler}
*/
public void cancel() {
delegate.cancel();
}
/**
* Stop message consumption from a queue.
*
* The operation is asynchronous. When consumption will be stopped, you can by notified via {@link io.vertx.rxjava.rabbitmq.RabbitMQConsumer#endHandler}
* @param cancelResult contains information about operation status: success/fail.
*/
public void cancel(Handler> cancelResult) {
delegate.cancel(cancelResult);
}
/**
* Stop message consumption from a queue.
*
* The operation is asynchronous. When consumption will be stopped, you can by notified via {@link io.vertx.rxjava.rabbitmq.RabbitMQConsumer#endHandler}
* @return
* @deprecated use {@link #rxCancel} instead
*/
@Deprecated()
public Observable cancelObservable() {
io.vertx.rx.java.ObservableFuture cancelResult = io.vertx.rx.java.RxHelper.observableFuture();
cancel(cancelResult.toHandler());
return cancelResult;
}
/**
* Stop message consumption from a queue.
*
* The operation is asynchronous. When consumption will be stopped, you can by notified via {@link io.vertx.rxjava.rabbitmq.RabbitMQConsumer#endHandler}
* @return
*/
public Single rxCancel() {
return Single.create(new io.vertx.rx.java.SingleOnSubscribeAdapter<>(fut -> {
cancel(fut);
}));
}
/**
* @return is the stream paused?
*/
public boolean isPaused() {
boolean ret = delegate.isPaused();
return ret;
}
public static RabbitMQConsumer newInstance(io.vertx.rabbitmq.RabbitMQConsumer arg) {
return arg != null ? new RabbitMQConsumer(arg) : null;
}
}