/
DefaultNodeSelector.java
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/
DefaultNodeSelector.java
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/*
* Copyright (c) 2011-2021 Contributors to the Eclipse Foundation
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
* which is available at https://www.apache.org/licenses/LICENSE-2.0.
*
* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
*/
package io.vertx.core.spi.cluster.impl;
import io.vertx.core.Promise;
import io.vertx.core.Vertx;
import io.vertx.core.spi.cluster.ClusterManager;
import io.vertx.core.spi.cluster.NodeSelector;
import io.vertx.core.spi.cluster.RegistrationUpdateEvent;
import io.vertx.core.spi.cluster.impl.selector.Selectors;
/**
* @author Thomas Segismont
*/
public class DefaultNodeSelector implements NodeSelector {
private Selectors selectors;
@Override
public void init(Vertx vertx, ClusterManager clusterManager) {
selectors = new Selectors(clusterManager);
}
@Override
public void eventBusStarted() {
}
@Override
public void selectForSend(String address, Promise<String> promise) {
selectors.withSelector(address, promise, (prom, selector) -> {
prom.tryComplete(selector.selectForSend());
});
}
@Override
public void selectForPublish(String address, Promise<Iterable<String>> promise) {
selectors.withSelector(address, promise, (prom, selector) -> {
prom.tryComplete(selector.selectForPublish());
});
}
@Override
public void registrationsUpdated(RegistrationUpdateEvent event) {
selectors.dataReceived(event.address(), event.registrations(), true);
}
@Override
public void registrationsLost() {
selectors.dataLost();
}
@Override
public boolean wantsUpdatesFor(String address) {
return selectors.hasEntryFor(address);
}
}