2 * (C) Copyright 2017 Pantheon Technologies, s.r.o. and others.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package org.opendaylight.yangtools.triemap;
18 import java.util.Map.Entry;
21 * Utility methods for implementing {@link Entry} contract.
23 * @author Robert Varga
25 final class EntryUtil {
27 throw new UnsupportedOperationException();
31 * Utility implementing {@link Entry#equals(Object)}.
33 static boolean equal(final Object obj, final Object key, final Object value) {
34 if (!(obj instanceof Entry)) {
38 final Entry<?,?> e = (Entry<?,?>)obj;
39 return key.equals(e.getKey()) && value.equals(e.getValue());
43 * Utility implementing {@link Entry#hashCode()}.
45 static int hash(final Object key, final Object value) {
46 return key.hashCode() ^ value.hashCode();
50 * Utility implementing {@link Entry#toString()}.
52 static String string(final Object key, final Object value) {
53 return key + "=" + value;