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• 0.4.4
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• ServiceCallRef.java

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io.cloudstate.javasupport.ServiceCallRef Maven / Gradle / Ivy

package io.cloudstate.javasupport;

import com.google.protobuf.Descriptors;

/**
 * A reference to a call on a service.
 *
 * @param  The type of message the call accepts.
 */
public interface ServiceCallRef {
  /**
   * The protobuf descriptor for the method.
   *
   * @return The protobuf descriptor for the method.
   */
  Descriptors.MethodDescriptor method();

  /**
   * Create a call from this reference, using the given message as the message to pass to it when
   * it's invoked.
   *
   * @param message The message to pass to the method.
   * @return A service call that can be used as a forward or effect.
   */
  ServiceCall createCall(T message);
}