core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/DefaultConsistentMultimapBuilder.java

/*
 * Copyright 2016 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.primitives.impl;

import org.onosproject.store.primitives.DistributedPrimitiveCreator;
import org.onosproject.store.service.AsyncConsistentMultimap;
import org.onosproject.store.service.ConsistentMultimap;
import org.onosproject.store.service.ConsistentMultimapBuilder;

/**
 * Default {@link AsyncConsistentMultimap} builder.
 */
public class DefaultConsistentMultimapBuilder<K, V>
    extends ConsistentMultimapBuilder<K, V> {

    private final DistributedPrimitiveCreator primitiveCreator;

    public DefaultConsistentMultimapBuilder(
        DistributedPrimitiveCreator primitiveCreator) {
        this.primitiveCreator = primitiveCreator;
    }

    @Override
    public AsyncConsistentMultimap<K, V> buildMultimap() {
        return primitiveCreator.newAsyncConsistentSetMultimap(name(), serializer());
    }

    @Override
    public ConsistentMultimap<K, V> build() {
        AsyncConsistentMultimap<K, V> multimap = buildMultimap();
        if (relaxedReadConsistency()) {
            multimap = new CachingAsyncConsistentMultimap<>(multimap);
        }
        return multimap.asMultimap();
    }
}