core/api/src/main/java/org/onosproject/store/service/TopicOptions.java

/*
 * Copyright 2018-present Open Networking Foundation
 *
 * 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.onosproject.store.service;

import java.util.function.BiFunction;

import org.onosproject.store.primitives.DistributedPrimitiveOptions;

/**
 * Builder for {@link Topic} instances.
 *
 * @param <T> type for topic value
 */
public abstract class TopicOptions<O extends TopicOptions<O, T>, T>
    extends DistributedPrimitiveOptions<O> {

    protected BiFunction<T, org.onosproject.core.Version, T> compatibilityFunction;

    public TopicOptions() {
        super(DistributedPrimitive.Type.TOPIC);
    }

    /**
     * Sets a compatibility function on the map.
     *
     * @param compatibilityFunction the compatibility function
     * @return the consistent map builder
     */
    @SuppressWarnings("unchecked")
    public O withCompatibilityFunction(
        BiFunction<T, org.onosproject.core.Version, T> compatibilityFunction) {
        this.compatibilityFunction = compatibilityFunction;
        return (O) this;
    }

}