2 * Copyright (c) 2019 PANTHEON.tech, s.r.o. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.yangtools.concepts;
10 import static com.google.common.base.Verify.verifyNotNull;
11 import static java.util.Objects.requireNonNull;
13 import com.google.common.annotations.Beta;
14 import org.eclipse.jdt.annotation.NonNull;
15 import org.eclipse.jdt.annotation.NonNullByDefault;
18 * An abstract base class enforcing nullness contract around {@link Codec} interface.
20 * @param <P> Product type
21 * @param <I> Input type
22 * @param <X> Error exception type
26 public abstract class AbstractCodec<P, I, X extends Exception> implements Codec<P, I, X> {
28 public final @NonNull I deserialize(@NonNull final P input) throws X {
29 return verifyNotNull(deserializeImpl(requireNonNull(input)), "Codec %s returned null on %s", this, input);
33 public final @NonNull P serialize(@NonNull final I input) throws X {
34 return verifyNotNull(serializeImpl(requireNonNull(input)), "Codec %s returned null on %s", this, input);
37 // implementation is guarded from nulls and verified not to return null
38 protected abstract @NonNull I deserializeImpl(@NonNull P product) throws X;
40 // implementation is guarded from nulls and verified not to return null
41 protected abstract @NonNull P serializeImpl(@NonNull I input) throws X;