package geniusweb.actions;

import com.fasterxml.jackson.annotation.JsonSubTypes;
import com.fasterxml.jackson.annotation.JsonTypeInfo;
import com.fasterxml.jackson.annotation.JsonTypeInfo.As;
import com.fasterxml.jackson.annotation.JsonTypeInfo.Id;

/**
 * An action represents a "promise" made by a participant in the negotiation. It
 * can not be retracted and is immutable. But it can be followed by other
 * actions that override it or make it outdated.
 */
@JsonTypeInfo(use = JsonTypeInfo.Id.NAME, include = As.WRAPPER_OBJECT)
@JsonSubTypes({ @JsonSubTypes.Type(value = EndNegotiation.class),
		@JsonSubTypes.Type(value = Offer.class),
		@JsonSubTypes.Type(value = Accept.class),
		@JsonSubTypes.Type(value = Comparison.class),
		@JsonSubTypes.Type(value = ElicitComparison.class),
		@JsonSubTypes.Type(value = Vote.class),
		@JsonSubTypes.Type(value = Votes.class),
		@JsonSubTypes.Type(value = VoteWithValue.class),
		@JsonSubTypes.Type(value = VotesWithValue.class),
		@JsonSubTypes.Type(value = LearningDone.class) })
public interface Action {
	/**
	 * 
	 * @return the {@link Id} of the actor of this action.
	 */
	PartyId getActor();

}