/
DefaultPersistenceStreamConfig.java
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/
DefaultPersistenceStreamConfig.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.thingsearch.common.config;
import java.io.Serializable;
import java.util.Objects;
import javax.annotation.Nullable;
import javax.annotation.concurrent.Immutable;
import org.eclipse.ditto.services.base.config.supervision.ExponentialBackOffConfig;
import org.eclipse.ditto.services.utils.config.ConfigWithFallback;
import com.typesafe.config.Config;
/**
* This class is the default implementation of {@link PersistenceStreamConfig}.
*/
@Immutable
public final class DefaultPersistenceStreamConfig implements PersistenceStreamConfig, Serializable {
private static final String CONFIG_PATH = "persistence";
private static final long serialVersionUID = 49154106468833606L;
private final int maxBulkSize;
private final DefaultStreamStageConfig defaultStreamStageConfig;
private DefaultPersistenceStreamConfig(final ConfigWithFallback persistenceStreamScopedConfig,
final DefaultStreamStageConfig defaultStreamStageConfig) {
maxBulkSize = persistenceStreamScopedConfig.getInt(PersistenceStreamConfigValue.MAX_BULK_SIZE.getConfigPath());
this.defaultStreamStageConfig = defaultStreamStageConfig;
}
/**
* Returns an instance of DefaultPersistenceStreamConfig based on the settings of the specified Config.
*
* @param config is supposed to provide the settings of the persistence stream config at {@value CONFIG_PATH}.
* @return the instance.
* @throws org.eclipse.ditto.services.utils.config.DittoConfigError if {@code config} is invalid.
*/
public static DefaultPersistenceStreamConfig of(final Config config) {
return new DefaultPersistenceStreamConfig(
ConfigWithFallback.newInstance(config, CONFIG_PATH, PersistenceStreamConfigValue.values()),
DefaultStreamStageConfig.getInstance(config, CONFIG_PATH));
}
@Override
public int getMaxBulkSize() {
return maxBulkSize;
}
@Override
public int getParallelism() {
return defaultStreamStageConfig.getParallelism();
}
@Override
public ExponentialBackOffConfig getExponentialBackOffConfig() {
return defaultStreamStageConfig.getExponentialBackOffConfig();
}
@Override
public boolean equals(@Nullable final Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
final DefaultPersistenceStreamConfig that = (DefaultPersistenceStreamConfig) o;
return maxBulkSize == that.maxBulkSize &&
defaultStreamStageConfig.equals(that.defaultStreamStageConfig);
}
@Override
public int hashCode() {
return Objects.hash(maxBulkSize, defaultStreamStageConfig);
}
@Override
public String toString() {
return getClass().getSimpleName() + " [" +
"maxBulkSize=" + maxBulkSize +
", defaultStreamStageConfig=" + defaultStreamStageConfig +
"]";
}
}