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DefaultKafkaCommitterConfig.java
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DefaultKafkaCommitterConfig.java
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/*
* Copyright (c) 2021 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.connectivity.service.config;
import java.util.Objects;
import javax.annotation.concurrent.Immutable;
import com.typesafe.config.Config;
import com.typesafe.config.ConfigFactory;
/**
* This class is the default implementation of {@link KafkaCommitterConfig}.
*/
@Immutable
final class DefaultKafkaCommitterConfig implements KafkaCommitterConfig {
private static final String CONFIG_PATH = "committer";
private static final String PEKKO_CONNECTORS_PATH = "pekko-connectors";
private final Config pekkoConnectorsConfig;
private DefaultKafkaCommitterConfig(final Config kafkaCommitterScopedConfig) {
pekkoConnectorsConfig = getConfigOrEmpty(kafkaCommitterScopedConfig, PEKKO_CONNECTORS_PATH);
}
/**
* Returns an instance of {@code DefaultKafkaCommitterConfig} based on the settings of the specified Config.
*
* @param config is supposed to provide the Kafka config setting.
* @return the instance.
* @throws org.eclipse.ditto.internal.utils.config.DittoConfigError if {@code config} is invalid.
*/
public static DefaultKafkaCommitterConfig of(final Config config) {
return new DefaultKafkaCommitterConfig(getConfigOrEmpty(config, CONFIG_PATH));
}
private static Config getConfigOrEmpty(final Config config, final String configKey) {
return config.hasPath(configKey) ? config.getConfig(configKey) : ConfigFactory.empty();
}
@Override
public Config getPekkoConnectorsConfig() {
return pekkoConnectorsConfig;
}
@Override
public boolean equals(final Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
final DefaultKafkaCommitterConfig that = (DefaultKafkaCommitterConfig) o;
return Objects.equals(pekkoConnectorsConfig, that.pekkoConnectorsConfig);
}
@Override
public int hashCode() {
return Objects.hash(pekkoConnectorsConfig);
}
@Override
public String toString() {
return getClass().getSimpleName() + " [" +
"pekkoConnectorsConfig=" + pekkoConnectorsConfig +
"]";
}
}