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/*
 * Copyright 2015-2019 52°North Initiative for Geospatial Open Source
 * Software GmbH
 *
 * Licensed 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
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.n52.series.db.beans;

import java.io.Serializable;
import java.util.HashSet;
import java.util.Set;

import org.n52.series.db.beans.HibernateRelations.HasFeature;
import org.n52.series.db.beans.HibernateRelations.HasOfferings;

/**
 * @since 1.0.0
 */
public class RelatedFeatureEntity extends IdEntity
        implements Serializable, HasFeature, HasOfferings {

    private static final long serialVersionUID = -8143897383050691280L;

    private AbstractFeatureEntity feature;

    private String role;

    private Set offerings = new HashSet(0);

    public RelatedFeatureEntity() {
    }

    @Override
    public AbstractFeatureEntity getFeature() {
        return this.feature;
    }

    @Override
    public RelatedFeatureEntity setFeature(AbstractFeatureEntity feature) {
        this.feature = feature;
        return this;
    }

    public String getRole() {
        return this.role;
    }

    public RelatedFeatureEntity setRole(String role) {
        this.role = role;
        return this;
    }

    @Override
    public Set getOfferings() {
        return this.offerings;
    }

    @SuppressWarnings("unchecked")
    @Override
    public RelatedFeatureEntity setOfferings(final Object offerings) {
        if (offerings instanceof Set) {
            this.offerings = (Set) offerings;
        } else {
            getOfferings().add((OfferingEntity) offerings);
        }
        return this;
    }

    @Override
    public boolean isSetOfferings() {
        return getOfferings() != null && !getOfferings().isEmpty();
    }

}