/
ConnectionConfig.java
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/
ConnectionConfig.java
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/*
* Copyright (c) 2019 Contributors to the Eclipse Foundation
*
* See the NOTICE file(s) distributed with this work for additional
* information regarding copyright ownership.
*
* 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
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.eclipse.ditto.services.connectivity.messaging.config;
import java.time.Duration;
import javax.annotation.concurrent.Immutable;
import org.eclipse.ditto.services.base.config.supervision.WithSupervisorConfig;
import org.eclipse.ditto.services.utils.config.KnownConfigValue;
/**
* Provides configuration settings for Connectivity service's connection behaviour.
*/
@Immutable
public interface ConnectionConfig extends WithSupervisorConfig {
/**
* Returns the delay between subscribing to Akka pub/sub and responding to the command that triggered the
* subscription.
* The delay gives Akka pub/sub a chance to reach consensus in the cluster before clients start expecting
* messages and events.
* The default value is {@code 5s}.
*
* @return the timeout.
*/
Duration getFlushPendingResponsesTimeout();
/**
* Returns the amount of time for how long the connection actor waits for response from client actors.
* By default this value is very high because connection establishment can take very long.
* If the timeout was set too low early, the connection would not be subscribed for events properly.
*
* @return the timeout.
*/
Duration getClientActorAskTimeout();
/**
* Returns the config of the connection snapshotting behaviour.
*
* @return the config.
*/
SnapshotConfig getSnapshotConfig();
/**
* Returns the config specific to the AMQP 1.0 protocol.
*
* @return the config.
*/
Amqp10Config getAmqp10Config();
/**
* Returns the config specific to the MQTT protocol.
*
* @return the config.
*/
MqttConfig getMqttConfig();
/**
* Returns the Kafka configuration settings.
*
* @return the config.
*/
KafkaConfig getKafkaConfig();
/**
* An enumeration of the known config path expressions and their associated default values for
* {@code ConnectionConfig}.
*/
enum ConnectionConfigValue implements KnownConfigValue {
/**
* The delay between subscribing to Akka pub/sub and responding to the command that triggered the subscription.
*/
FLUSH_PENDING_RESPONSES_TIMEOUT("flush-pending-responses-timeout", Duration.ofSeconds(5L)),
/**
* The amount of time for how long the connection actor waits for response from client actors.
*/
CLIENT_ACTOR_ASK_TIMEOUT("client-actor-ask-timeout", Duration.ofSeconds(60L));
private final String path;
private final Object defaultValue;
private ConnectionConfigValue(final String thePath, final Object theDefaultValue) {
path = thePath;
defaultValue = theDefaultValue;
}
@Override
public Object getDefaultValue() {
return defaultValue;
}
@Override
public String getConfigPath() {
return path;
}
}
}