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/*
 * Copyright (c) 2015 Cisco Systems, Inc. and others.  All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html
 */
package org.opendaylight.mdsal.binding.dom.adapter;

import com.google.common.annotations.VisibleForTesting;
import com.google.common.collect.ClassToInstanceMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.util.concurrent.ListenableFuture;
import java.util.Set;
import java.util.concurrent.TimeUnit;
import org.eclipse.jdt.annotation.NonNull;
import org.opendaylight.mdsal.binding.api.NotificationPublishService;
import org.opendaylight.mdsal.binding.dom.adapter.BindingDOMAdapterBuilder.Factory;
import org.opendaylight.mdsal.dom.api.DOMNotification;
import org.opendaylight.mdsal.dom.api.DOMNotificationPublishService;
import org.opendaylight.mdsal.dom.api.DOMService;
import org.opendaylight.yangtools.binding.Notification;

@VisibleForTesting
public final class BindingDOMNotificationPublishServiceAdapter
        extends AbstractBindingAdapter implements NotificationPublishService {
    static final Factory BUILDER_FACTORY = Builder::new;

    public BindingDOMNotificationPublishServiceAdapter(final AdapterContext adapterContext,
            final DOMNotificationPublishService domPublishService) {
        super(adapterContext, domPublishService);
    }

    @Override
    public void putNotification(final Notification notification) throws InterruptedException {
        getDelegate().putNotification(toDomNotification(notification));
    }

    @Override
    public ListenableFuture offerNotification(final Notification notification) {
        return toBindingResult(getDelegate().offerNotification(toDomNotification(notification)));
    }

    @Override
    public ListenableFuture offerNotification(final Notification notification, final int timeout,
            final TimeUnit unit) throws InterruptedException {
        return toBindingResult(getDelegate().offerNotification(toDomNotification(notification), timeout, unit));
    }

    private @NonNull DOMNotification toDomNotification(final Notification notification) {
        return new LazySerializedNotification(currentSerializer(), notification);
    }

    private static @NonNull ListenableFuture toBindingResult(
            final @NonNull ListenableFuture domResult) {
        return DOMNotificationPublishService.REJECTED.equals(domResult) ? NotificationPublishService.REJECTED
            : domResult;
    }

    private static final class Builder extends BindingDOMAdapterBuilder {
        Builder(final AdapterContext adapterContext) {
            super(adapterContext);
        }

        @Override
        public Set>> getRequiredDelegates() {
            return ImmutableSet.of(DOMNotificationPublishService.class);
        }

        @Override
        protected NotificationPublishService createInstance(final ClassToInstanceMap> delegates) {
            return new BindingDOMNotificationPublishServiceAdapter(adapterContext(),
                delegates.getInstance(DOMNotificationPublishService.class));
        }
    }
}