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PekkoReplicatorConfig.java
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PekkoReplicatorConfig.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.internal.utils.ddata;
import java.time.Duration;
import javax.annotation.concurrent.Immutable;
import org.eclipse.ditto.internal.utils.config.KnownConfigValue;
import com.typesafe.config.Config;
/**
* Provides configuration settings for the Pekko {@link org.apache.pekko.cluster.ddata.Replicator}.
*/
@Immutable
public interface PekkoReplicatorConfig {
/**
* Returns the name of the replicator.
*
* @return the name.
*/
String getName();
/**
* Returns the cluster role of members with replicas of the distributed collection.
*
* @return cluster role.
*/
String getRole();
/**
* Returns the interval with which cluster members initiate gossip.
*
* @return the gossip interval.
*/
Duration getGossipInterval();
/**
* Returns the interval subscribers are notified.
*
* @return the duration.
*/
Duration getNotifySubscribersInterval();
/**
* Gets the complete Pekko {@code distributed-data} config to use for the {@link org.apache.pekko.cluster.ddata.Replicator}.
*
* @return the complete config.
*/
Config getCompleteConfig();
/**
* An enumeration of the known config path expressions and their associated default values for
* {@code PekkoReplicatorConfig}.
*/
enum PekkoReplicatorConfigValue implements KnownConfigValue {
/**
* The name to be used for the {@link org.apache.pekko.cluster.ddata.Replicator}.
*/
NAME("name", "ddataReplicator"),
/**
* The role to be used for the {@link org.apache.pekko.cluster.ddata.Replicator}.
*/
ROLE("role", ""),
/**
* How often distributed data changes are deseminated in the cluster.
*/
GOSSIP_INTERVAL("gossip-interval", "2 s"),
/**
* the interval subscribers are notified.
*/
NOTIFY_SUBSCRIBERS_INTERVAL("notify-subscribers-interval", "500 ms");
private final String path;
private final Object defaultValue;
PekkoReplicatorConfigValue(final String thePath, final Object theDefaultValue) {
path = thePath;
defaultValue = theDefaultValue;
}
@Override
public String getConfigPath() {
return path;
}
@Override
public Object getDefaultValue() {
return defaultValue;
}
}
}