com.quorum.tessera.partyinfo.node.NodeInfo Maven / Gradle / Ivy

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Tessera is a stateless Java system that is used to enable the encryption, decryption, and distribution of private transactions for Quorum.

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package com.quorum.tessera.partyinfo.node;

import com.quorum.tessera.encryption.PublicKey;

import java.util.*;
import java.util.stream.Collectors;

public interface NodeInfo {

    default Map getRecipientsAsMap() {
        return getRecipients().stream().collect(Collectors.toUnmodifiableMap(Recipient::getKey, Recipient::getUrl));
    }

    Set getRecipients();

    Set supportedApiVersions();

    String getUrl();

    class Builder {

        private String url;

        private final Set recipients = new HashSet<>();

        private Set supportedApiVersions = new HashSet<>();

        public Builder withRecipients(Collection recipients) {
            this.recipients.addAll(recipients);
            return this;
        }

        public Builder withSupportedApiVersions(Collection supportedApiVersions) {
            if (Objects.nonNull(supportedApiVersions)) {
                this.supportedApiVersions = Set.copyOf(supportedApiVersions);
            }
            return this;
        }

        public NodeInfo build() {

            Objects.requireNonNull(url, "URL is required");

            return new NodeInfo() {

                @Override
                public Set getRecipients() {
                    return Set.copyOf(recipients);
                }

                @Override
                public Set supportedApiVersions() {
                    return Set.copyOf(supportedApiVersions);
                }

                @Override
                public String getUrl() {
                    return url;
                }

                @Override
                public String toString() {
                    return String.format("NodeInfo[url: %s ,recipients: %s]", url, recipients);
                }
            };
        }

        public static Builder create() {
            return new Builder() {};
        }

        private Builder() {}

        public Builder withUrl(String url) {
            this.url = url;
            return this;
        }
    }
}