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DefaultCommandConfig.java
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DefaultCommandConfig.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.gateway.service.util.config.endpoints;
import java.time.Duration;
import java.util.Objects;
import javax.annotation.concurrent.Immutable;
import org.eclipse.ditto.internal.utils.config.ConfigWithFallback;
import org.eclipse.ditto.internal.utils.config.ScopedConfig;
import com.typesafe.config.Config;
/**
* Default implementation of {@link CommandConfig}.
*
* @since 1.1.0
*/
@Immutable
public final class DefaultCommandConfig implements CommandConfig {
private static final String CONFIG_PATH = "command";
private final Duration defaultTimeout;
private final Duration maxTimeout;
private final Duration smartChannelBuffer;
private final int connectionsRetrieveLimit;
private DefaultCommandConfig(final ScopedConfig scopedConfig) {
defaultTimeout = scopedConfig.getNonNegativeAndNonZeroDurationOrThrow(CommandConfigValue.DEFAULT_TIMEOUT);
maxTimeout = scopedConfig.getNonNegativeAndNonZeroDurationOrThrow(CommandConfigValue.MAX_TIMEOUT);
smartChannelBuffer =
scopedConfig.getNonNegativeAndNonZeroDurationOrThrow(CommandConfigValue.SMART_CHANNEL_BUFFER);
connectionsRetrieveLimit = scopedConfig.getNonNegativeIntOrThrow(CommandConfigValue.CONNECTIONS_RETRIEVE_LIMIT);
}
/**
* Returns an instance of {@code DefaultCommandConfig} based on the settings of the specified Config.
*
* @param config is supposed to provide the settings of the message config at {@value #CONFIG_PATH}.
* @return the instance.
* @throws org.eclipse.ditto.internal.utils.config.DittoConfigError if {@code config} is invalid.
*/
public static DefaultCommandConfig of(final Config config) {
return new DefaultCommandConfig(
ConfigWithFallback.newInstance(config, CONFIG_PATH, CommandConfigValue.values()));
}
@Override
public Duration getDefaultTimeout() {
return defaultTimeout;
}
@Override
public Duration getMaxTimeout() {
return maxTimeout;
}
@Override
public Duration getSmartChannelBuffer() {
return smartChannelBuffer;
}
@Override
public int connectionsRetrieveLimit() {
return connectionsRetrieveLimit;
}
@Override
public boolean equals(final Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
final DefaultCommandConfig that = (DefaultCommandConfig) o;
return Objects.equals(defaultTimeout, that.defaultTimeout) &&
Objects.equals(maxTimeout, that.maxTimeout) &&
Objects.equals(smartChannelBuffer, that.smartChannelBuffer) &&
Objects.equals(connectionsRetrieveLimit, that.connectionsRetrieveLimit);
}
@Override
public int hashCode() {
return Objects.hash(defaultTimeout, maxTimeout, smartChannelBuffer, connectionsRetrieveLimit);
}
@Override
public String toString() {
return getClass().getSimpleName() + " [" +
"defaultTimeout=" + defaultTimeout +
", maxTimeout=" + maxTimeout +
", smartChannelBuffer=" + smartChannelBuffer +
", connectionsRetrieveLimit=" + connectionsRetrieveLimit +
"]";
}
}