CollectionSemantics.java

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 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.isis.viewer.restfulobjects.rendering.domainobjects;

import org.apache.isis.core.metamodel.spec.feature.OneToManyAssociation;

public enum CollectionSemantics {

    SET("addToSet"), 
    LIST("addToList");

    private final String addToKey;

    private CollectionSemantics(final String addToKey) {
        this.addToKey = addToKey;
    }

    public String getAddToKey() {
        return addToKey;
    }

    public String getRemoveFromKey() {
        return "removeFrom";
    }

    public static CollectionSemantics determine(final OneToManyAssociation collection) {
        return collection.getCollectionSemantics().isSet() ? CollectionSemantics.SET : CollectionSemantics.LIST;
    }

}