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

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package io.scalecube.services;

import io.scalecube.services.api.Qualifier;
import io.scalecube.transport.Address;

import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;

public class ServiceReference {

  private final String qualifier;
  private final String endpointId;
  private final String host;
  private final int port;
  private final String namespace;
  private final Set contentTypes;
  private final Map tags;
  private final String action;
  private final CommunicationMode mode;
  private final Address address;

  public ServiceReference(ServiceMethodDefinition serviceMethodDefinition,
      ServiceRegistration serviceRegistration,
      ServiceEndpoint serviceEndpoint) {
    this.endpointId = serviceEndpoint.id();
    this.host = serviceEndpoint.host();
    this.port = serviceEndpoint.port();
    this.namespace = serviceRegistration.namespace();
    this.contentTypes = Collections.unmodifiableSet(serviceEndpoint.contentTypes());
    this.tags = mergeTags(serviceMethodDefinition, serviceRegistration, serviceEndpoint);
    this.action = serviceMethodDefinition.getAction();
    this.mode = serviceMethodDefinition.getCommunicationMode();
    this.qualifier = Qualifier.asString(namespace, action);
    this.address = Address.create(this.host(), this.port());
  }

  public CommunicationMode mode() {
    return mode;
  }

  public String qualifier() {
    return this.qualifier;
  }

  public String endpointId() {
    return endpointId;
  }

  public String host() {
    return host;
  }

  public int port() {
    return port;
  }

  public String namespace() {
    return namespace;
  }

  public Set contentTypes() {
    return contentTypes;
  }

  public Map tags() {
    return tags;
  }

  public String action() {
    return action;
  }

  private Map mergeTags(ServiceMethodDefinition serviceMethodDefinition,
      ServiceRegistration serviceRegistration,
      ServiceEndpoint serviceEndpoint) {
    Map tags = new HashMap<>();
    tags.putAll(serviceEndpoint.tags());
    tags.putAll(serviceRegistration.tags());
    tags.putAll(serviceMethodDefinition.getTags());
    return tags;
  }

  @Override
  public String toString() {
    return "ServiceReference{" +
        "qualifier='" + qualifier + '\'' +
        ", endpointId='" + endpointId + '\'' +
        ", host='" + host + '\'' +
        ", port=" + port +
        ", namespace='" + namespace + '\'' +
        ", contentTypes='" + contentTypes + '\'' +
        ", tags=" + tags +
        ", action='" + action + '\'' +
        ", mode=" + mode +
        '}';
  }

  public Address address() {
    return this.address;
  }
}