pl.allegro.tech.hermes.api.SubscriptionName Maven / Gradle / Ivy

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Fast and reliable message broker built on top of Kafka.

There is a newer version: 2.6.22

package pl.allegro.tech.hermes.api;

import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.annotation.JsonProperty;

import java.util.Objects;

import static com.google.common.base.Preconditions.checkArgument;

public class SubscriptionName {

    private final String name;
    private final TopicName topicName;

    @JsonCreator
    public SubscriptionName(@JsonProperty("name") String name, @JsonProperty("topicName") TopicName topicName) {
        this.name = name;
        this.topicName = topicName;
    }

    @JsonIgnore
    public String getQualifiedName() {
        return toString();
    }

    public String getName() {
        return name;
    }

    public TopicName getTopicName() {
        return topicName;
    }

    public static SubscriptionName fromString(String string) {
        String[] tokens = string.split("\\$");
        checkArgument(tokens.length > 1, "Incorrect string format. Expected 'topic$subscription'. Found:'%s'", string);
        return new SubscriptionName(tokens[1], TopicName.fromQualifiedName(tokens[0]));
    }

    @Override
    public String toString() {
        return topicName.qualifiedName() + "$" + name;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        SubscriptionName that = (SubscriptionName) o;
        return Objects.equals(name, that.name)
                && Objects.equals(topicName, that.topicName);
    }

    @Override
    public int hashCode() {
        return Objects.hash(name, topicName);
    }
}