2 * Copyright (c) 2018 Pantheon Technologies, 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 java.util.Objects.requireNonNull;
12 import com.google.common.annotations.Beta;
13 import com.google.common.base.MoreObjects;
14 import com.google.common.base.MoreObjects.ToStringHelper;
15 import org.eclipse.jdt.annotation.NonNull;
16 import org.eclipse.jdt.annotation.NonNullByDefault;
19 * Simple base class for classes which wish to implement {@link Delegator} interface and are not otherwise constrained
20 * in their class hierarchy.
22 * @param <T> Type of delegate
26 public abstract class AbstractDelegator<T> implements Delegator<T> {
27 private final @NonNull T delegate;
29 protected AbstractDelegator(final T delegate) {
30 this.delegate = requireNonNull(delegate);
34 public final T getDelegate() {
39 public final String toString() {
40 return addToString(MoreObjects.toStringHelper(this).omitNullValues()).toString();
43 protected ToStringHelper addToString(final ToStringHelper helper) {
44 return helper.add("delegate", delegate);