com.activitystream.EntityRole Maven / Gradle / Ivy

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For a description please see https://github.com/activitystream/as-sdk-java

There is a newer version: 0.5.8

package com.activitystream;

import com.activitystream.helpers.MapCreator;
import com.activitystream.underware.Factories;
import com.activitystream.underware.Tuple;

import java.util.Map;
import java.util.Set;

/**
 * A role of a certain type of a given entity in an event
 */
public class EntityRole {
    private final String involvement;
    private final Entity ent;
    private Map props;
    private String externalId;

    public EntityRole(EntityRoleType involvement, Entity ent) {
        this.involvement = involvement.value();
        this.ent = ent;
    }

    public EntityRole properties(Map props) {
        this.props = props;
        return this;
    }

    public EntityRole properties(MapCreator props) {
        return properties(props.map());
    }

    public EntityRole externalId(String id) {
        this.externalId = id;
        return this;
    }

    public Map render(Set processed) {
        final Tuple entityTuple = ent.render(processed);
        if (entityTuple != null) {
            Map obj = Factories.getMap();
            obj.put("role", involvement);
            obj.put("external_id", externalId);
            obj.put("properties", props);
            obj.put(entityTuple.x, entityTuple.y);
            return obj;
        }
        return null;
    }
}