org.springframework.boot.autoconfigure.pulsar.DeadLetterPolicyMapper Maven / Gradle / Ivy
/*
* Copyright 2012-2023 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.boot.autoconfigure.pulsar;
import org.apache.pulsar.client.api.DeadLetterPolicy;
import org.apache.pulsar.client.api.DeadLetterPolicy.DeadLetterPolicyBuilder;
import org.springframework.boot.context.properties.PropertyMapper;
import org.springframework.util.Assert;
/**
* Helper class used to map {@link PulsarProperties.Consumer.DeadLetterPolicy dead letter
* policy properties}.
*
* @author Chris Bono
* @author Phillip Webb
*/
final class DeadLetterPolicyMapper {
private DeadLetterPolicyMapper() {
}
static DeadLetterPolicy map(PulsarProperties.Consumer.DeadLetterPolicy policy) {
Assert.state(policy.getMaxRedeliverCount() > 0,
"Pulsar DeadLetterPolicy must have a positive 'max-redelivery-count' property value");
PropertyMapper map = PropertyMapper.get().alwaysApplyingWhenNonNull();
DeadLetterPolicyBuilder builder = DeadLetterPolicy.builder();
map.from(policy::getMaxRedeliverCount).to(builder::maxRedeliverCount);
map.from(policy::getRetryLetterTopic).to(builder::retryLetterTopic);
map.from(policy::getDeadLetterTopic).to(builder::deadLetterTopic);
map.from(policy::getInitialSubscriptionName).to(builder::initialSubscriptionName);
return builder.build();
}
}