/*
* (C) Copyright 2016 Pantheon Technologies, s.r.o. and others.
*
* 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.opendaylight.yangtools.triemap;
import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
import java.util.Map.Entry;
/**
* A single entry in {@link LNodeEntries}, implements {@link Entry} in order to prevent instantiation of objects for
* iteration.
*
* @author Robert Varga
*
* @param <K> the type of key
* @param <V> the type of value
*/
abstract class LNodeEntry<K, V> implements Entry<K, V> {
private final K key;
private final V value;
LNodeEntry(final K key, final V value) {
this.key = key;
this.value = value;
}
@Override
public final K getKey() {
return key;
}
@Override
public final V getValue() {
return value;
}
@Override
public final V setValue(final V value) {
throw new UnsupportedOperationException();
}
@Override
public final int hashCode() {
return EntryUtil.hash(key, value);
}
@SuppressFBWarnings(value = "EQ_UNUSUAL", justification = "Equality handled by utility methods")
@Override
public final boolean equals(final Object o) {
return EntryUtil.equal(o, key, value);
}
@Override
public final String toString() {
return EntryUtil.string(key, value);
}
}