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There is a newer version: 1.0.0-M12

package io.sphere.sdk.states;


import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
import io.sphere.sdk.models.DefaultModel;
import io.sphere.sdk.models.LocalizedStrings;
import io.sphere.sdk.models.Reference;

import java.util.Optional;
import java.util.Set;

/** A State represents a state of a particular entity (defines a finite state machine). States can be combined together
    by defining transitions between each state, thus allowing to create work-flows.
    Each project has by default an initial LineItemState (inherited also by custom Line Items)

 Operations:
 
 Create a state with {@link io.sphere.sdk.states.commands.StateCreateCommand}.
 Fetch a state by key with {@link io.sphere.sdk.states.queries.StateByKeyFetch}.
 Query a state with {@link io.sphere.sdk.states.queries.StateQuery}.
 Delete a channel with {@link io.sphere.sdk.states.commands.StateDeleteCommand}.
 
 */
@JsonDeserialize(as = StateImpl.class)
public interface State extends DefaultModel {

    public String getKey();

    public StateType getType();

    public Optional getName();

    public Optional getDescription();

    public boolean isInitial();

    public boolean isBuiltIn();

    public Optional>> getTransitions();

    public default Reference toReference() {
        return Reference.of(typeId(), getId());
    }

    public static String typeId(){
        return "state";
    }

    public static TypeReference typeReference(){
        return new TypeReference() {
            @Override
            public String toString() {
                return "TypeReference";
            }
        };
    }

}