io.scalecube.services.ServiceInfo Maven / Gradle / Ivy

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package io.scalecube.services;

import io.scalecube.services.auth.Authenticator;
import io.scalecube.services.exceptions.ServiceProviderErrorMapper;
import io.scalecube.services.transport.api.ServiceMessageDataDecoder;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;

public class ServiceInfo {

  private final Object serviceInstance;
  private final Map tags;
  private final ServiceProviderErrorMapper errorMapper;
  private final ServiceMessageDataDecoder dataDecoder;
  private final Authenticator authenticator;

  private ServiceInfo(Builder builder) {
    this.serviceInstance = builder.serviceInstance;
    this.tags = Collections.unmodifiableMap(new HashMap<>(builder.tags));
    this.errorMapper = builder.errorMapper;
    this.dataDecoder = builder.dataDecoder;
    this.authenticator = builder.authenticator;
  }

  public static Builder fromServiceInstance(Object serviceInstance) {
    return new Builder(serviceInstance);
  }

  public Object serviceInstance() {
    return serviceInstance;
  }

  public Map tags() {
    return tags;
  }

  public ServiceProviderErrorMapper errorMapper() {
    return errorMapper;
  }

  public ServiceMessageDataDecoder dataDecoder() {
    return dataDecoder;
  }

  public Authenticator authenticator() {
    return authenticator;
  }

  public static class Builder {
    private final Object serviceInstance;
    private final Map tags = new HashMap<>();
    private ServiceProviderErrorMapper errorMapper;
    private ServiceMessageDataDecoder dataDecoder;
    private Authenticator authenticator;

    public Builder(Object serviceInstance) {
      this.serviceInstance = serviceInstance;
    }

    public Builder tag(String key, String value) {
      tags.put(key, value);
      return this;
    }

    public Builder errorMapper(ServiceProviderErrorMapper errorMapper) {
      this.errorMapper = errorMapper;
      return this;
    }

    public Builder dataDecoder(ServiceMessageDataDecoder dataDecoder) {
      this.dataDecoder = dataDecoder;
      return this;
    }

    public Builder authenticator(Authenticator authenticator) {
      this.authenticator = authenticator;
      return this;
    }

    public ServiceInfo build() {
      return new ServiceInfo(this);
    }
  }
}